Jason Dion Comptia A+ 1101
78 community-sourced questions and answers. Free — no login.
eSATA is not faster than...
USB 3.0 is faster than...
IMAP is used for
Cross-device mail synchronization
POP3 is used for
Email retrieval (deletes after retrieved)
SMTP is used for
Sending mail
When configuring a high-wattage desktop PC you must consider...
The wattage of the PSU and the number/types of connectors
Modern HDD RPM ratings
5400, 7200, 10000, 15000
What USB standard supports up to 4.5 W of power per connected device?
USB 3.0 - Previous standards only supply 2.5 W.
What causes a ghost image to appear on a printout?
Issues with the drum unit will cause ghosting.
What is Zigbee
Open-source wireless communication protocol operating in the 2.4 GHz frequency band
Laptop powering down while plugged in, and battery not charging
Replace the DC jack
40 pin ribbon cable
IDE/PATA use this cable type
OS Not Found during boot
Repair the Master Boot Record (MBR) / Globally Unique ID Parition Table (GPT) - bootrec /fixboot
Continuous reboots indicates an issue with...
The memory in the device
3G is made up of what two different technologies
Evolved Highspeed Packet Access (HSPA+) and Evolution-Data Optimized (EV-DO)
DCPS (DC Power Supply/Source) in a printer creates what voltages
+/- 5VDC & +24VDC
SNMP port
udp 161 & 162
If connection speeds are slow
Check network card/NIC drivers on the device(s)
When a company device is lost
Perform remote wipe from MDM
ST fiber connector
Straight tip connector is a quick-release bayonet-style connector that has a long cylindrical connector and circular locking mechanism
SC fiber connector
Subscriber Connector is a single push/pull style connector that has a square snap-in connector
LC fiber connector
Lucent Connector is a SFF connector that combines the transmit and receive cables into a single square snap-in connector
Measured service
Cloud provider measures or monitors the use of services for billing, resource allocation, or overall predictive planning
Rapid elasticity
Scalable provisioning or the capability to provide scalable cloud computing services
Microwave links require
Direct Line-Of-Sight (LoS)
Split horizon
An algorithm that prevents network loops
Virtual machines have less _____ in comparison to local servers
Local servers have more downtime than local machines
"Operating System Not Found" but boot.ini file is configured properly
An incompatible partition is marked as active
Service Location Protocol (SLP)
Protocol for organizing and locating the resources (such as printers, disk drives, databases, e-mail directories, and schedulers) in a network
Data Remanence is caused by Rapid Elasticity
DR is residual representation of digital data that remains even after attempts have been made to remove or erase it.
What feature does your travel PC require on it's PSU?
Dual voltage selection (110-120v/220-240v)
2.4 GHz frequency band are only supported in Europe and Japan due to government regulations
Frequency band 13
Networking hardware used to deliver broadband internet access using a hybrid fiber-coaxial
Cable modem uses hybrid fiber-coaxial
NIC lights are steady, not blinking
No network activity
Laptop display is dim, but visible (better with excess light)
Inverter needs to be replaced
TFTP port
UDP 69
The U.S. uses CDMA as opposed to...
GSM is more by countries outside the U.S.
"Replace cartridge. Filament is empty"
3-D printer needs more filament
802.3af (PoE) supports what voltage?
15.4W
WAP is sporadically dropping connetions
First thing to test is the placement of the WAP
3 tasks to complete for new Thin Client
Connect to network, install security updates, install applications
Offices connected via antenna experience connection issues after flag-pole installation
Most likely caused by signal attenuation
Fitness trackers use what technology
accelerometer
Internal network configuration
Network configurations on a virtual machine are used to prevent the VM from accessing the internet, but still allow it to communicate with other VMs on the host and the host itself
Monitor is displaying incorrect colors
VGA cable has broken/missing pins
What component of the laser printer combines the colors
Transfer roller passes the colors to the page
What does CDMA use when connecting to towers?
Preferred roaming index (PRI) & preferred roaming list (PRL)
Software-defined networking (SDN)
Networking hardware is used to create network infrastructures within the cloud
Laptop & desktops are NOT part of what
IoT includes all non-standard internet-connected devices (including
Bonjour (MacOS)
Networking protocol used by MacOS to find printers
DomainKeys Identified Mail (DKIM)
Provides cryptographic authentication mechanism to positively identify the authorized sender of an email
How to increase lifespan of SSD?
Disable regular defragment processes
Virtualization
Best way to test OS patches before deployment
Common issues with bad fuser in MFP
Printed pages appear to have a dust-like coating
Computer is whining while in use
Oil the cooling fans
Printer setting to output copies of multi-page documents in order (as opposed to 1 1 2 2 3 3)
Collate
On-demand cloud computing
Cloud computing concept allows users to store files on a cloud-based server when necessary and copy that data from the cloud
Function key to enter boot management in Windows
F12
Printer concept used as page description language to produce higher quality outputs at the expense of speed
PostScript
Internet connection allows for high-speed bi-directional data communication over a hybrid fiber-coaxial (HFC)
Cable internet
Shadow Copy
Synchronization process exclusive to Windows devices
Metered plan
Pre-paid amount of data. Big charge to exceeding that amount.
Proxy server
A form of network security that acts as a go-between for requests on a network
CNAME record
Canonical Name record within DNS, used to provide an alias for a domain name.
Clicking in hard drive when rebooting, slow to finish booting up
Perform disk defragement - device is strained to reach data
Check print server queue
Attempting to print to office printer, but nothing comes out. Yesterday printer was working just fine.
Flourescent backlighting
LCD laptops use what backlight
Laser printing process
Processing, charging, exposing, developing, transferring, fusing, cleaning
Projector is dim but image is good
Increase contrast to fix what project issue
KVM switch
Control, switch between, and manage multiple PCs or servers via a single keyboard, monitor and mouse
WMN
Wireless mesh network
POTS
Plain Old Telephone System
VM Cloning
Creating an exact copy of a VM
Secure accounting cloud system
SaaS in private network
Long-range unlicensed wireless connection
What is microwave-based internet best for
Physical hardware
What is the bottom layer of a VM
USB-C is used for modern android devices
Androids use what connector now instead of Micro-USB
Rebuilding the array
What is repairing a RAID setup after replacing a failed disk
Defective ribbon advance mechanism
Thermal printer output is faded from left to right
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