Mike Meyers Comptia Videos

Case that contains the cpu, ram, and hard drives.

Software used to control the computer and its peripheral equipment.

kernel

root

enables users to log in using their domain accounts anywhere on the network.

distros such as Federa, Mint, Ubuntu.

max cpu speed.

cores.

RAM and the CPU.

CPU.

L1, L2 and L3.

4 gigabytes of memory.

Allows CPU to be removed from motherboard-LGA or PGA

pc SPEED.

RAM errors.

(Small Outline DIMMs) are used in Laptops and are smaller memory modules than DIMMs.

stores info about the RAM stick.

SPD information.

a portion of a storage medium functioning as additional RAM. All OS's allow adjustment.

a set of computer instructions in firmware which control input and output operations.

interaction with motherboard before OS loads.

nonvolatile media, thus called firmware.

firmware.

self check.

beep codes or display text codes.

dead computers.

An interface between firmware on the motherboard and the operating system that improves on legacy BIOS processes for booting, handing over the boot to the OS, and loading device drivers and applications before the OS loads.

16bit BIOS in modern systems.

This is the configurable aspect of the BIOS, enabling the changes from boot orders, to the system time.

The fast, chip-based volatile storage in a computing device.

A circuit board that contains all of the computer system's main components.

update firmware.

The most common form factor for PC systems presently in use, originally introduced by Intel in 1995. ATX motherboards and cases make better use of space and resources than did the earlier AT form factor.

a version of the aTX form factor. MicroaTX addresses some new technologies that were developed after the original introduction of aTX.

A smaller version of the microATX form factor.

A group of chips on the motherboard that controls the timing and flow of data and instructions to and from the CPU.

deals with the communication between the CPU, the memory.

manages all onboard peripheral devices. Any expansion cards that connect to the motherboard - with the exception of high-speed graphics cards - are managed.

Southbridge chipset, handling Northbridge functions.

RAM capacity, USB capabilities, and much more.

interface standard for connecting high-speed components. Every desktop PC motherboard has a number of PCIe slots you can use to add GPUs (aka video cards aka graphics cards), RAID cards, Wi-Fi cards or SSD (solid-state drive) add-on cards.

AC from wall outlet to DC for the computer.

20-24 PIN atc AND 4-8 PIN p4.

peripherals and drives.

brownouts and blackouts.

A piece of metal, with cooling fins, that can be attached to or mounted on an integrated chip (such as the CPU) to dissipate heat.

A device that can test the output of each power cord coming from a power supply.

An instrument for measuring the properties of an electrical circuit..

clearing CMOS.

The type of hard drive that has no moving part, so they are more efficient, run with no noise, emit little heat, and require little power

Memory storage device that uses the magnetic state of ferrous coating to record data

A direct access storage device used to store and retrieve data from rapidly rotating disks coated with magnetic material.

A drive interface for EIDE drives that transfers data serially at speeds between 150 MBps and 300 MBps and 6 Gbps, depending on the version of the standard. (1)

blocks and pages.

SSD tech that supports a communication between the operating system and the SSD directly through a PCIe bus lane, reducing latency and taking full advantage of the speeds high-end SSDs.

A fast interface between a host adapter and the CPU that can daisy chain as many as 7 or 15 devices on a single bus.

A type of SCSI that uses serial signals to transfer data, instructions, and information.

logical electronic device

the location of operating systems, swap files, and recovery partitions.

created and mounted.

partitions manifest as folders.

The first sector on a hard drive, which contains the partition table and a program the BIOS uses to boot an OS from the drive.

The area of a large hard disk (> 2TB) outside a partition that stores partition information and boot loaders.

128 volumes on a partition.

formatting.

formatted before they are useable.

File allocation table that uses 16 bits to address and index clusters. Used as the primary hard drive format on DOS and early Windows 95 machines; currently used with smaller-capacity (2 GB or less) flash media devices.

File allocation table that uses 32 bits to address and index clusters. Commonly used with USB flash-media drives and versions of Windows prior to XP.

a file system that is used primarily in flash storage applications and SD cards

A file system used on Windows-based systems. It is more efficient and provides much more security than do FAT-based file systems.

compression, encryption, and folder/file security.

File structure, rules, and conventions used when organizing and storing files and data on a CD.

File systems commonly used by Linux OS.

macOS X file system

for partitioning and formatting disks.

Span multiple disks to create a large volume Split data across physical disks (striping) Duplicate data across physical disks (mirroring)

dyanmic in Disk Management.

spanning volumes without losing the data on the disk.

Also called mirroring, this RAID array type provides fault tolerance because all the data is written identically to the two drives in the mirrored set. (2)

breaks data into units and stores the units across a series of disks by reading and writing to all disks simultaneously.

Block-level striping with dedicated parity. Not often used, replaced with RAID 5.

Uses block-level and parity data striping. Requires three or more drives. Provides speed.

a combination of RaID 1 and RaID 0 that requires at least four disks to work as an array of drives and provides the best redundancy and performance.

one drive in the array, RAID 6 can lose two.

creating volumes from an array of physical disks is an operation supported by a plug-in controller card or by the motherboard, independently of the installed operating system.

BIOS that comes with a special system setup to configure the array.

In Windows 8 and later, a software RAID solution that enables users to group multiple drives into a single storage pool

encrypts files and folders, disk- based encryption encryption entire drives.

A security feature of many Windows versions that allows it to encrypt files on an NTFS volume.

Drive encryption software offered in high-end versions of Windows.. requires a special chip to validate hardware status and to ensure that the computer hasn't been hacked.

650-700 mb of data.

4.37 gb to 15.9 gb of data.

25 GB to 50 gb.

read-only memory (ROM), write-once (R), and write-many (RW/RE) versions.

Universal Serial Bus. A type of connection used to attach devices such as flash drives, scanners, cameras, and printers to a computer.

max speed 1.5 megabits/sec.

480 megabits/sec.

A device that allows a user to copy multiple sheets at the same time without manually changing pages after each scan.

5 Gigabits/sec.

10 Gigabits/sec.

5 Gbps

10 Gbps

USB TYPE-B connectors plug into upstream ports on peripherals.

up to 40 Gbps, mini displayport/ usb/c.

A device that switches a single keyboard/video/mouse set among multiple computer systems.

Expansion card on the motherboard that provides a connection for the speakers and microphone

USB expansion card.

An expansion card that enables a computer to connect other computers or to a cable modem to facilitate a high-speed Internet connection.

CompTIA's name for a standard desktop computer. Runs desktop appli- cations and meets recommended requirements for selected OS.

a terminal that looks like a desktop but has limited capabilities and components

a network-connected computer dedicated to providing file-based data storage services to other network devices.

1ghz, 16gb hdd, dx9 with wddm 1.0 driver, dispolay 800x600.

A utility for migrating data from many computers, or if you need to perform what Microsoft calls a "wipe-and-load migration" from and to the same computer. Available in Windows XP, Vista, and Windows 7. (9)

OS installation in which multiple operating systems are installed on a single machine.

A type of OS installation where special scripts perform all the OS setup duties without human intervention.

Computer with multimedia capabilities designed specifically for watching television and films.

a database in Windows that stores user preferences, file locations, program configuration settings, startup information, hardware settings, and more.

this type of application runs after the computer starts, has no user interface and can be paused or restarted.

A Windows utility that can identify what processes are launched at startup and can temporarily disable a process from loading.

admin tools in the control panel.

ctrl + shift + escape.

ctrl + alt +delete.

MMC snap-in that provides tools for analyzing how your system resources are used by processes and services

It shows all of the currently running process, services, performance, network connectivity, it also helps you close programs

A multi-core processor is a single computing component with two or more independent actual central processing units which are the units that read and execute program instructions.

Provides information about hardware resources, components, and the software environment. Also known as System Information.

Windows feature that uses a combination of software and hardware to prevent the execution of code in unintended areas of memory to protect against buffer overflow attacks.

One of the primary administrative tools used to manage Windows and many of the network services provided by Windows.

A Microsoft Management Console (MMC) snap-in that provides tools for analyzing system performance.

utility can be used to view the messages in event logs.

access controls applied to all accounts of a given windows computer.

application, security, setup, and system.

asks users to write lines of code to answer questions against a database

An interface for accessing database management systems that can be ported to other systems by using a driver.

Programming tools in Windows for the sharing of data objects between programs.

Allow you to control which users and groups can gain access to files and folders on an NTFS volume.

when a new folder or file gets the permissions of the folder in which it was created. Stopped with a Deny.

owner, group, and everyone. ( read, write, execute )

A naming system used by Windows computers to locate network file shares and network printers. The format is \\servername\sharename

A method of creating a logical drive letter that allows easy access to a shared folder or drive on a computer.

restores points before application installs, registry, and critical system files.

A diagnostic and recovery tool.

a bootable disc you create in Windows 7 that contains Windows system recovery tools.

Backs up important files, makes a complete mirror image of your current computer setup

A Windows tool that can set a task or program to launch at a future time, including at startup.

fixes formatted partitions.

Scans integrity of all protected system files and repairs files with problems when possible.

repairs critical windows files based online system stores. ( after sfc /scannow )

Command in the command-line interface used to copy multiple directories at once, which the copy command could not do.

A Windows command that is similar to and more powerful than the xcopy command, used to copy files and folders.

End a running process

This command updates the repositories (libraries) on the raspberry pi.

A DVI (Digital Visual Interface) video port that works only with digital monitors.

upgrade all software to latest vesrion.

command line to remove a program.

displays all processes running on your terminal with user names.

text editor.

shutdown

change permission modifiers (linux)

changes the user and/or group ownership of a given file

A text file containing a series of OS commands. Autoexec.bat is a batch file.

is Microsoft's task automation framework, consisting of a command-line shell and associated scripting language built on top of, and integrated with, the .NET Framework

The Microsoft graphical user interface (GUI) programming language used for developing Windows applications. A modified version of the BASIC programming language.

an object-oriented computer programming language commonly used to create interactive effects within web browsers.

Windows Recovery Environment. A recovery platform based on the Windows Pre-installation Environment, which helps users troubleshoot operating system failures. System Restore, System images. CMD.

select option in system configuration for safe boot.

video driver problem.

roll back Driver or Update Driver in Device manager.

boot order in System setup.

create a new user account and copy old profile to try to recover the corrupted profile.

open it manually in Services Administrative Tool, or check Event Viewer for details.

Scans integrity of all protected system files and repairs files with problems when possible in com Command prompt.

A flat-panel monitor that creates an image when liquid crystals become electronically charged.

LED lights and shine through the liquid crystals.

backlight, as the pixels make their own light.

Technology that bounces light off microscopic mirrors on a computer chip used by small computer projectors.

Standard for the video graphics adapter that was built into IBM's PS/2 computer. It supports 16 colors in a 640 × 480 pixel video display.

Port that enables digital signals to transmit directly to the LCD monitor

A DVI (Digital Visual Interface) video port that supports both analog and digital monitors.

A display device resolution of 800 × 600.

A display device resolution of 1280 × 1024.

1600x1200.

1680 x 1050 resolution

1920 x 1200 resolution ( 16:10 ratio )

2560X1440.

A card that plugs into a motherboard and allows for expansion cards to be mounted parallel to the motherboard. Expansion cards are plugged into slots on the riser card.

LCD technology.

brightness of the projector.

distance to screen.

A shutdown of this sort could be due to problems with the video card or blocked airways for ventilation. ( move video card around for better airway )

Replace the LCD.

pieces of stuff show up on screen that are from previous images. ( take a look at video ram by using a different video card to test current card )

Problems with the colors in a projector or screen. ( check VGA cable, check a different video card )

A low light image; symptom of a possible failing CCFL backlight or may simply indicate the brightness is set too low. ( buy new CCFL, turn brightness back up)

A screen image that goes in and out; can be caused by a failing CCFL backlight or by certain settings on mobile devices. ( reseat HDMI cables )

Check native resolution. ( with projectors, adjust geometry )

When a static image stays on a monitor for many hours, leaving a permanent impression of that image on the monitor.. ( change image on screen )

If the resolution of the monitor does not match the system settings. ( adjust text size on windows )

Connects a group of computers in close proximity, such as in an office building, school, or home.

A device that provides a connection between wireless devices and can connect to wired networks.

The process by which devices determine which device may access the network at any given time.

ethernet.

1500 bytes.

host on a LAN

ifconfig (Linux) to view a MAC.

A network device that connects several nodes of a local area network.

network controller which connects network devices and allows effective communication between these devices

traffic on the LAN to all nodes.

traffic based on MAC address.

full bandwidth for all nodes.

Spans a large geographic area such as a state, province, or country

A number that uniquely identifies each computer or device connected to the Internet.

A network service that provides automatic assignment of IP addresses and other TCP /IP configuration information.

1024 computers in a LAN.

in a WAN.

determine local vs. remote traffic.

one central wire surrounded by insulation, a metallic shield, and a covering of insulation

A coaxial cable that uses BNC connectors. It is used for analog data and can be used between a TV and DVD player.

Coaxial Cable used for connecting homes to cable networks. Larger conductor and higher frequencies than RG-59.

port numbers in the range of 1-1024 that identify network applications that are well known such as web, email, and remote login applications

Category 5 wire, a TIA/EIA standard for UTP wiring that can operate at up to 100 Mbps.

A higher-grade version of wiring that contains highquality copper, offers a high twist ratio, and uses advanced methods for reducing cross talk. It can support a signaling rate of up to 350 MHz

Twisted-pair cables capable of carrying up to 1000Mbps (1 gigabit) of data up to a length of 100 meters

a rating used for UTP cables that is thicker than CaT-6 and used by 10GBase-T (10-Gigabit Ethernet).

Fire-resistant cable designed for airways, conduits, and areas sprinklers cannot reach.

It provides less protection than plenum cable, so most installations today use plenum for runs between floors.

category CAT ratings.

electrical pulses.

F-Type connectors.

The room in a building that stores the demarc, telephone cross-connects, and LAN cross-connects.

-network/telephone cabling runs from closets to workstations -always use solid cord (less flexible)

A wall-mounted panel of data receptors into which cross-connect patch cables from the punch-down block are inserted.

Consists of a group of wires twisted to form metallic string.

A measuring tool that transmits an electrical pulse on a cable and measures the way the signal reflects back on the TDR to determine network issues. ( use for testing runs )

A tool used to punch individual wires from a network cable into their slots to terminate the cable.

patch panel through walls/ ceilings.

An expansion card that enables a computer to connect other computers or to a cable modem to facilitate a high-speed Internet connection.

Communication that happens in two directions at the same time.

Communication between two devices whereby transmission takes place in only one direction at a time.

Configuring a computer so that it will respond to network activity when the computer is in a sleep state.

a packet that triggers a computer to wake up from a low power state

Information/configuration. ( change duplex and wake-on LAN settings here )

show connectivity, activity, and sometimes speed.

Built-in TV tuner with a cable TV connector on the Video Card.

a port that looks like a large phone jack and is used by twisted-pair cable to connect to a wired network adapter or other hardware device. RJ stands for registered jack.

In IPv4 addressing, a 32-bit number that, when combined with a device's IP address, indicates what kind of subnet the device belongs to.

identifies the device that the computer uses to access the Internet or another network

A defense-related computer network that was the precursor to the internet.

Transmission Control Protocol/Internet Protocol. Protocol that connects computers to the Internet. Tells computers how to exchange information over the Internet.

The Internet Protocol version 4 is the dominant protocol for routing traffic on the Internet, specifying "to" and "from" addresses using a dotted decimal such as "122.45.255.0".

The Internet Protocol version 6 provides a large number of new addresses to route Internet traffic, using "from" and "to" addresses written as colon-hexadecimal notation, such as "fe80::42:acff:feaa:1bf0".

An IP address that is manually assigned to a device and remains constant until it is manually changed.

The utility used to display TCP/IP addressing and domain name information in the Windows client operating systems.

Enables the MAC address information to be displayed from the command prompt

A block of IP addresses from 224.0.0.0 to 239.255.255.255 used to support multicast sessions.

A block of IP addresses from 240.0.0.0 to 255.255.255.255 used for research and experimentation purposes.

10.x.x.x 192.168.x.x. 172.16.x.x.

Protocol that operates instead of TCP in applications where delivery speed is important and quality can be sacrificed.

internal networks use private IP addresses and share a public address.

by default.

invisible to the public internet.

A network service that provides automatic assignment of IP addresses and other TCP /IP configuration information.

A service available on computers running one of the Windows operating systems that automatically assigns the computer's network interface a link-local IP address. 169.264.0.0 ( CLASS B )

The IT director has asked you set up a computer to acquire an IP address from a newly configured DHCP server. Which is the best command to use?

command releases any IP configurations received from DHCP server

The Internet Protocol version 4 is the dominant protocol for routing traffic on the Internet, specifying "to" and "from" addresses using a dotted decimal such as "122.45.255.0".

The Internet Protocol version 6 provides a large number of new addresses to route Internet traffic, using "from" and "to" addresses written as colon-hexadecimal notation, such as "fe80::42:acff:feaa:1bf0".

A second IPv6 address that every system needs in order to get on the Internet.

Ports ranging from 1024 to 49151; accessible to network users and processes that do not have special administrative privileges.

ports that are dynamically assigned to communication sessions as needed and are typically in the numerical range of 1024 to 65535

application.

A core protocol in the TCP/IP suite that notifies the sender that something has gone wrong in the transmission process and that packets were not delivered.

provides reliable, ordered, and error-checked delivery of a stream of packets on the internet. TCP is tightly linked with IP and usually seen as TCP/IP in writing.

A generic term referring to the header defined by some layer of a networking model, and the data encapsulated by the header (and possibly trailer) of that layer, but specifically not including any lower-layer headers and trailers.

A data packet that has been encoded on the Data Link layer for transmission from one node to another on an Ethernet network.

The IP portion of a TCP/IP frame that acts as an envelope for data, holding information necessary for routers to transfer data between subnets.

Can display a variety of information about IP-based connections on a Windows or UNIX host.

The Internet's system for converting alphabetic names into numeric IP addresses.

A plaintext file configured on a client machine containing a list of IP addresses and their associated host names, which can be used for host name resolution as an alternative to DNS.

Displays information about DNS names and their corresponding IP addresses, and it can be used to diagnose DNS servers.

Protocol that operates at the Session layer of the OSI seven-layer model. This protocol creates and manages connections based on the names of the computers involved.

The Active Directory service that manages the process that allows a user to sign on to a network from any computer on the network and get access to the resources that Active Directory allows.

When all users on a network require the same access to all resources. more secure. ( replaced with workgroup )

In Windows, a logical group of computers and users in which administration, resources, and security are distributed throughout the network, without centralized management or security.

A Microsoft developed protocol used to provide shared access to files printers and other network resources. It runs on port 445.

command to find out which user is logged in.

A Windows server that has Active Directory installed and is responsible for allowing client computers access to domain resources.

linux and macs to connect to windows networks.

A command that can display all kinds of important networking data and allows you to configure various networking options such as services.

Shows the computers on your immediate network, whether they operate as a workgroup or a domain.

shares folders or views shared folders.

accesses shared folders.

creates and deletes user accounts.

Data over Cable Service Interface Specification. The main link layer standard for transmitting data via a cable modem. Used by most vendors of HFC networks.

The type of port on a router used to communicate with the router itself, such as when making programming changes to the device.

ometimes used by routers for management and configuration purposes.

A small network that can comprise up to 10 nodes. DHCP range. 192.168.0.1.

generated automatically by software, is used to determine the best possible route for a packet

You need to configure DHCP to deliver a specific IP address to a specific network printer. What should you configure?

A security discipline that requires that a particular user, system, or application be given no more privilege than necessary to perform its function or job.

A list of addresses, ports, or applications that should be denied (blacklist) or allowed (whitelist) by a firewall, spam filter, or other software.

A firewall capable only of examining packets individually. Stateless firewalls perform more quickly than stateful firewalls, but are not as sophisticated.

A flrewall that monitors communication paths and data flow on the network. Block on fixed criteria such as port number, time of day, URL, ect. Block based on actions taking place at that moment.

SNMP Security concepts where agent may wish to give different access privileges to different managers.

A small section of a private network that is located between two firewalls and made available for public access.

defines what may or may not forward orfilter.

A type of software firewall installed on a host and used to protect the host from network-based attacks. Protects systems using file names or process ID's.

Anti-malware software embedded in Windows 8 that can detect, prevent, and clean up a system infected with viruses and other malware. domain, public, private.

A setting that when turned on allows a computer to see other computers on a network and to be seen by those other computers.

Preventing the passage of any IP packets through any ports other than the ones prescribed by the system administrator.

A DNS name-registering process whereby computers in the domain can register or update their own DNS records. gives DNS names to port forwarded devices.

NAT router opens incoming traffic on a certain port access to a single system on the internal network.

Policies that control how much bandwidth a protocol, PC, user, VLAN, or IP address may use. makes a game for example run faster.

A set of protocols that enable networked devices to automatically discover each other's presence.

A protocol used to monitor and manage network devices, such as routers, switches, and servers. How much bandwidth is going through.

A protocol that identifies devices connected on the local area network and allows them to automatically exchange information.

Groups ports on a switch so that some of the local traffic on the switch is forced to go through a router

Allows the network administrator to monitor, configure, and manage select network features

Disabling unused application/service ports to reduce the number of threat vectors.

check cables, patch cable connected to back of computer, check link lights, check ip addressing.

Ping Localhost, then move outward and use ipconfig/all.

DHCP requests are answered with bogus IP addresses from rogue server setup by an attacker

Check the system tray for broken LAN icons or messages. May be a problem with the switch or wireless access point

check processes for bandwidth usage. QoS.

A wireless standard used to ensure compatibility between devices.

A device that provides a connection between wireless devices and can connect to wired networks.

A wireless configuration that uses one or more WAPs to connect wireless workstations to the cable backbone. uses wireless access point.

A network name that wireless routers use to identify themselves.

no wireless access point. otherwise known as peer-to-peer mode, where each wireless node is in meshed contact with every other node.

A directional antenna that has a planar surface and is usually mounted on a wall or column.

An antenna that sends a narrowly focused signal beam long distances.

The band of radio frequencies associated with industrial, scientific, and medical devices.

11 Mbps, 2.4 GHz

54 Mbps, 2.4 GHz

100mbps, 2.4ghz 5ghz

A key encryption technique for wireless networks that uses keys both to authenticate network clients and to encrypt data in transit.

A security protocol created by the IEEE 802.11i task group to replace WEP.

also referred to as personal mode, is a type of WPA used on most home networks. All workstation has the same key to connect to the network.

WiFi protected access strong authentication and data encryption replaced WEP

A network that uses multiple access points to link a series of devices that speak to each other to form a network connection across a large area such as a SOHO environment.

A device that adds power to an Ethernet cable so the cable can provide power to a device.

An unauthorized Access point that allows an attacker to bypass many of the network security configurations and opens the network and its users to attacks.

an Access Point that requires users to agree to some condition before that can use the network / internet

power over internet poe.

RADIUS or TACACS + protocols for authentication.

ESSID's.

uses radio signals to communicate with a tag placed in or attached to an object

A set of standards primarily for smartphones and smart cards that can be used to establish communication between devices in close proximity.

provides communication for devices owned by a single user that work over a short distance

100 meters

10 meters

1 meter

ssid or passcode may be changed. forget network profile, get new pass code.

get closer to SSID. check antennas. ( must be pointing up on router / wap ) get closer.

check for nearby interference.

A network that solely purchases transit/peering from other networks to participate in the Internet. comcast, at & t. ect. no peering agreements. pay tier 1 or tier 2 providers.

A large computer network usually spanning a city

provides communication for bluetooth devices owned by a single user that work over a short distance

network ID.

LAN's interconnected by one or more routers

network that can connect to every part of the Internet without paying for access

carriers freely exchange traffic amongst themselves without paying access fees

A centralized location for techs and administrators to manage all aspects of a network.

providers that pay some tier 1s but also peer with tier 1 and tier 2.

Communications hardware device that facilitates the transmission of data.

Connector type used with the LPT printer port and with the 25-pin serial port ( modem )

56kbps limit . An inexpensive WAN option available to anyone with a phone line and a standard modem

A digital circuit switching technology that carries both voice and data.

An Internet connection such as DSL or cable modem that offers higher bandwidth, and therefore faster transmission speed, than standard modem connections.

A high-speed direct Internet connection that uses all-digital networks.

A variation of DSL that provides equal throughput both upstream and downstream between the customer and the carrier.

a protocol used to connect multiple network users on an Ethernet local area network to a remote site through a common device.

A security technology used for filtering packets and maintaining customer privacy on cable Internet services

ethernet for an isp

remote locations

high speed.

firewalls.

incoming vs outgoing concept.

ports on the ports to which they listen.

client and a server.

TCP port 23. a remote command line tool. no security.

a remote command line tool for port 23.

port 22. secure remote command line tool.

TCP UDP 3389 . A protocol that allows for separate channels for carrying presentation data, serial device communication, licensing information, and highly encrypted data (keyboard, mouse activity).

an open source system designed to allow one workstation to remotely manipulate and receive screen updates from another workstation. for linux and mac.

insecure TCP 80 Hypertext Transfer Protocol

Provided by a certification authority to ensure an online organisation is legitimate.

A Protocol developed by Netscape for securely transmitting documents over the Internet that uses a private key to encrypt data.

A certificate that lacks a third-party signature.

port 443. uses certs to make a secure connection.

A communications method for transferring data between computers on the Internet

send email from a client to an e=mail server.

pull email down from email server.

IP addresses or DNS name for the different servers.

A form of network security that acts as a go-between a client and a server.

firewalling, check for malware, ban bad URL's.

a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or individual users with secure access to their organization's network

The secure connection created between user's computer and a company's network.

vpn feature that allows Internet traffic and local LAN/WAN traffic to use the same network connection.

private connection to a remote network. needs IP address to connect.

A form of wireless communications frequently used in security systems and heating and cooling control systems. 2.4ghz

A short-range low-power network technology used for the Internet of Things. 900 mghz

the network of products embedded with connectivity-enabled electronics. 802.11, zigbee, z-wave. requires hub. google home, amazon alexa, apple siri / voice capabilities.

physical connections, check connectivity on windows/ linux / macos. know network id, router, and dns server. use IPCONFIG/ALL . run tracert command look for hops.

It can check IP connectivity between two network devices. Multiple platforms (for example, routers, switches, and hosts) support the ping command.

the ipconfig /all command.

test internet connectivity before you have problems.

The illusion created by a timesharing system that each user has a dedicated machine

running multiple systems simultaneously on one physical computer

Software that enables a single computer to run multiple operating systems simultaneously.

runs directly on top of the hardware as an OS.

runs as an app in an OS.

A technique often used to conserve IP addresses by maps devices on a private network to single Internet-connected device that acts on their behalf.

the practice of using a network of remote servers hosted on the Internet to store, manage, and process data, rather than a local server or a personal computer.

A cloud computing service that is capable of scaling up or down as a customer's need level changes.

Cloud computing services to multiple customers that are hosted on shared physical resources and dynamically allocated to meet customer demand.

moves network tasks such as firewalls into the cloud.

moves the machines into the cloud so you can concentrate on apps.

moves apps to the cloud, such as google docs.

owned and used only by a single organization.

are privately owned but are available for public use.

both private are public aspects.

owned by multiple organizations for their own private use.

Internet service that provides storage to computer users

a storage service (sometimes referred to as an online backup service) that is frequently used for file sharing and collaboration

access to synchronized saved files from any device.

management to the cloud or email and more.

consistent workspace in the cloud accessible from any device.

access to apps without installing them locally.

special keys located at the top of the keyboard (F1, F2, F3, etc.) that are used alone or with the Ctrl, Alt, and Shift keys to execute software commands

allows the user to switch, or toggle, between two different modes

An external device that attaches to a mobile computer or device and contains a power connection and provides connections to peripheral devices. extend capabilities.

single, sealed unit. runs specific mobile OS. embedded system. fixed components. smartphones, tablets, wearable, gps.

An operating system that combines processors and software in a device.

A storage device with nonvolatile flash memory used for mobile devices.

A set of standards primarily for smartphones and smart cards that can be used to establish communication between devices in close proximity.

A line-of-sight wireless standard. It allows devices to transmit and receive data using LEDs and IR sensors, similarly to how TV remote controllers work.

A computer-simulated environment that can be a simulation of the real world or an imaginary world

the viewing of the physical world with computer-generated layers of information/ objects added to it

A protocol standard used by cellular WANs and cell phones.

An update to a mobile phones baseband OS which manages all wireless communication.

A list of prefered service providers or radio frequencies your carrier wants a mobile device to use and is stored on a Removable User Identity Module (R-UIM) card installed on the device.

a 15-digit number used to uniquely identify a mobile device, typically a smartphone or other device that connects to a cellular network.

A unique number that represents the actual user associated with a particular SIM card. The IMSI is usually available from the carrier, to ensure that stolen phones are not misused. The IMSI number can be used to unlock a phone as well

1. give it a name. 2. set up VPN. 3. know thje server IP address.

those that have not been verified and approved by the app service. While it's possible that an untrusted app could be entirely safe, it's just too risky to install one. In fact, most devices won't allow them to be installed by default. Software for mobile devices should be restricted to trusted app stores such as Google Play, the Microsoft Store, or Apple App Store.

those that have been reviewed and approved by the device's app service. When approved, the app is signed with a certificate that identifies it as a trusted app. For the most part, this means the app is safe to install and does not contain malicious code.

SIM cards, GSM phones use SIM cards.

IMEI defines the phone itself.

VPN and backup software.

The complete domain name of an Internet computer, such as www.CIWcertified.com.

encryption of extensions/ attachments.

a code that defines how keyboard characters are encoded into digital strings of ones and zeros

update two or more data stores so that their info is identical. location, ebooks, social media, apps.

desktops, automobiles, or to the cloud.

The practice of allowing users to use their own personal devices to connect to an organizational network.

Prevents someone from easily accessing the device and the data it contains

the use of two or more types of authentication credentials in conjunction to achieve a greater level of security

turn phone off. run anti-malware. change passwords. factory reset.

change passwords. factory reset.

ram overload, restart phone. too many apps.

turn up brightness. turn off auto brightness.

needs to be on same wireless network. reassure you are broadcasting to correct monitor. check with manufacter.

check for bluetooth pairing to depair.

may need site survey to check neighbors connection possibly interfering. check password.

A small hardware device or a program that monitors each keystroke a user types on the computer's keyboard. every button you press is being sent to someone else ex. (passwords )

clear app caches. force stop. shut down phone, log back in. uninstall, reinstall app.

running too many apps.

turn off gps, location, turn off real time apps possibly syncing.

find app causing problem.

factory reset, reinstall.

a laser hits the photosensitive drum to create an image. same for copy machines.

Object used to store the toner in a laser printer. (See also laser printer, toner.)

Aluminum cylinder coated with particles of photosensitive compounds. Used in a laser printer and often contained within the toner cartridge.

Wire set close to the photosensitive drum that imparts a high negative charge on the drum.

A color mode that is optimized for printing purposes.

Processing, charging, exposing, developing, transferring, fusing, cleaning

Replace the toner cartridge.

Replacement feed rollers, new fuser unit, etc. Based on the printer's page counter Reset the page counter when kit is installed

Adjusting the alignment and accuracy of color and monochrome output.

replacing the toner cartridge and applying maintenance kits.

A type of printer that uses a nonimpact process. Ink is squirted from nozzles as they pass over the media. Uses heat or mechanical to push ink through the print heads to the paper.

The part in an inkjet or impact printer that moves across the paper, creating one line of the image with each pass.

A device that combines two or more devices, such as a printer, scanner, and fax machine. (12)

clean heads, replace cartridges, calibrate, and clear jams.

forms characters and graphics on a piece of paper by striking a mechanism against an inked ribbon that physically contacts the paper

replace the ribbon / keeping it clean.

The part in an inkjet or impact printer that moves across the paper, creating one line of the image with each pass.

paper with holes on their sides that are engaged by meta sprockets to pull the paper through

Paper used by impact printers and comes as a box of fanfold paper or in rolls (used with receipt printers).

an ink ribbon to write to paper.

useful for printing on multipart forms.

use heat elements to produce images on heat-sensitive paper and are used at ATMs and gasoline pumps. Can print to multipart ( thermal ) forms.

feed assembly and heating element.

frequent paper changes, keeping the heating element clean.

A program that helps coordinate all print jobs being sent to the printer at the same time.

Organizing printing job

able to print on both sides of the paper.

not enough permissions.

The print software either sends the job to a file or transmits the information to a remote destination in the cloud for printing.

connecting to workstation via USB or serial.

map the printer. cmd net use lpt1: \\desktop-5fp1527\brother/presistent:yes

requires sharing enabled and a sharename.

local control over the print spooler.

add a printer but select the shared printer rather than a local printer.

A set of standards used for automatically configuring and allocating IP address on Ethernet as well as wireless networks.

A technology by Apple that allows Apple computers and mobile devices to print to an AirPrint-capable printer without first installing the printer.

Printing to a printer anywhere on the Internet from a personal computer or mobile device connected to the Internet.

an ethernet NIC and plugs in directly to the network.

configuration to get on an 802.11 network.

help troubleshoot any connectivity issues.

mobile devices to print to a printer associated with an online account, such as a google account.

you don't have rights to install printer.

are you physiqually connected? is it getting good DCHP ? are others able to connect to it. most of the time its a network issue and nothing to do with printer itself.

is it turned on ? is the printer in sleep mode ? has an admin mode locked out ? possible bad display.

must have permission

need maintenance kit.

Problems caused by attempting to print a document that will not fit in the laser printer's onboard ram. buy more ram.

discard toner cartride replace.

bad drivers, corrupted drivers. hard reset printer.

This is usually the result of a dirty print head. Clean the print head first. If the problem persists, replace the toner cartridge or ink cartridge. Calibrating the cartridge may also help.

printer is out of ink or toner. It can also be caused by clog print nozzles in an ink jet printer. For a laser printer, the toner cartridge has sealant tape over the toner dispenser. If this tape is not removed, pages will be blank.

-Clean print heads (Inkjet) -Check drum (Laser)

• Low toner and low ink • Poor quality toner or ink

Print shows ghost or "shadow" from previous drum rotation . The laser printer optical drum may not be cleaning properly. replace toner.

replace toner.

maintenance kit.

cable connections, print server disabled, device drivers lacking, wireless configuration problems.

no display, paper jams, insufficient memory, corrupted drivers.

requires preheating the various print elements, such as the filament, extruder, and bed. uses specialized software to create 3d image. melts material such as forms of plastic.

-Protects every server, workstation, or laptop -Enables system administrators to have complete visibility to what is happening on their networks though pre-defined reports -System admins easy, centralized management of system security tools though a console -provides a common tool suite that can be used throughout DoD enabling synergy in training, equipment, and processess

A hacker placing himself between a client and a host to intercept network traffic; also called session hijacking.

A situation in which one person or program successfully masquerades as another by falsifying data and thereby gaining an illegitimate advantage.

a cyber attack in which an attacker sends a flood of data packets to the target computer, with the aim of overloading its resources

An attack that uses multiple zombie computers (even hundreds or thousands) in a botnet to flood a device with requests.

Attack between the time a software vulnerability is discovered and a patch to fix the problem is released.

Renamed system files, files disappearing, file permission changes, and more.

host and network based security, and physical security.

A piece of software running on a single host that can restrict incoming and outgoing network activity for that host only.

a computer program that senses when another computer is attempting to scan or access a computer or network

A technology that monitors activity like an IDS but will automatically take proactive preventative action if it detects unacceptable activity.

An end user's host becomes infected with a virus because the end user browsed to a malicious website. Which endpoint security technology can be used to best prevent such an incident?

A firewall or gateway that attempts to bundle multiple security functions into a single physical or logical device.

patching, anti malware, and a firewall.

IDS intrusion detection system, IPS intrusion prevention system, and firewalls.

IDS/IPS, firewalls, anti malware, available on the cloud.

A physical enclosure for verifying identity before entry to a facility

A list of people allowed into a restricted area and a log of any approved visitors that is used and maintained by security guards.

A machine that reads employee badges and records the time

uses radio signals to communicate with a tag placed in or attached to an object

A lock that reads a unique biological attribute such as a fingerprint, iris, retina, or palm and then uses that input as a key.

A device that can be inserted into the security slot of a portable device and rotated so that the cable lock is secured to the device to prevent it from being stolen.

- A cover that prevents onlookers from peeking at the information on your screen.

A device held by a user that displays a number or a password that changes frequently, such as every 60 seconds. The number is synchronized with a server and used as a onetime password.

perimeter security, room locks, and individual server locks, usb locks, and screen filters.

locks, badges, smart cards, and biometric readers.

a unique number derived from encoding one or more data sets, such as names, serial numbers, and validation codes

A password attack that creates encrypted versions of common dictionary words and compares them against those in a stolen password file.

attempts to discover the password from the hash using databases of precomputed hashes; countermeasure is salting

For computers needing an extra layer of security, a password can be set in the BIOS or UEFI to force

the use of two or more types of authentication credentials in conjunction to achieve a greater level of security

A piece of code that is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data

A destructive computer program that bores its way through a computer's files or through a computer's network.

a program that appears desirable but actually contains something harmful

program that hides in a computer and allows someone from a remote location to take full control of the computer

Software that encrypts programs and data or entire systems until a ransom is paid to remove it.

usually begins with a virus warning to call a number or an offer to disinfect the infected device.

A logical computer network of zombies under the control of an attacker.

software that enables a user to obtain covert information about another's computer activities by transmitting data covertly from their hard drive.

slow performance. page changes to a different website. popups. browser redirection. security alerts. app crashes. OS update failure. spam. hijacked email. automated replies. invalid website certificates.

Command-line interface boot mode for Windows that is used to repair a Windows XP system suffering from massive OS corruption or other problems.

a program that runs on a computer to allow or deny traffic between the computer and other computers to which it is connected

1. identify and research malware symptoms. 2. quarantine the infected systems. 3. disable system restore. 4. re mediate the infected systems. 4a. update the anti malware software. 4b. scan process. 5. educate end user.

good backups, end user education, and firewalls.

a trusted third party site and encryption.

An attack that sends an email or displays a Web announcement that falsely claims to be from a legitimate enterprise in an attempt to trick the user into surrendering private information

a phishing expedition in which the emails are carefully designed to target a particular person or organization

bad people to use info from people inside to gain access to sensitive info such as phone scams, tailgating, shoulder surfing, and dumpster diving.

A legal contract between the author of software and the end user that defines how the software can be used. describes what users can do with licensed software.

various technologies or security codes used to protect copyrighted works from being illegally copied. controls what users can do with some content.

A copyright licence that allows the user to modify the source code.

producers can retain all rights.

A policy that specifies polices about creating open-source software, including that source code has to be made available to all users and developers.

A license to use software that gives the right to install one instance of the software.

A type of software license that is usually negotiated and covers all users within an organization. Also known as a "volume license."

The initial response to a computer-related event that seeks to verify an incident, triage the incident, and gather necessary evidence while minimizing data and evidence loss.

1. know your responsibility. 2. identify the problem, report through proper channels, data / device preservation. use of documentation. document changes. 3. keep chain of custody, tracking evidence, document process.

Provides communication to workers regarding chemicals used in the office

temp and humidity levels, proper ventilation, surge supressors and UPS backup devices. clean systems with compressed air and specialized vacuums.

refers to the layout of the computers and devices in a communications network

A graphical representation of a circuit; each type of gate has its own symbol

floor plan of cable runs, distribution frame ect.

a body of knowledge in a particular area that makes it easier to master new information in that area. ex. Microsoft knowledge base.

the guidelines and goals set for different entertainment industries

the most successful solutions or problem-solving methods that have been developed by a specific organization or industry

Requires a user to agree to follow it to be provided access to corporate email, information systems, and the Internet

Ensures that users create strong passwords and change them periodically

the name, postal address, or any other information that allows tracking down the specific person who owns a device

Individually identifiable health information that is transmitted or maintained by electronic media.

this law governs how information should be handled, protected, and accessed in the European Union. It provides a one-stop-shop for data practices in the EU

A set of security standards that all U.S. companies processing, storing, or transmitting credit card information must follow.

Process of making sure changes are made smoothly and efficiently and do not negatively affect systems reliability, security, confidentiality, integrity, and availability.

An initial reflection that identifies the possible risks of entering a business, performed before the business plan is completed.

The policies and procedures that a company or organisation has in place so it can carry on with normal business after a disaster, such as a major ICT failure, a fire etc

The combination of procedures that can restore lost data in the event of hardware or software failure

Makes a copy of the virtual disk and configuration associated with a particular VM. Backup is saved as a singled entity called as a VM Image. Also supports file-level recovery.

Type of desktop monitor that contains a cathode-ray tube.

A process (usually performed at the factory) that electronically creates the hard drive tracks and sectors and tests for bad spots on the disk surface.

A technique used to eradicate personal or corporate data from a hard drive before donating or re-using a computer. Sometimes called overwriting.