IT CertificationsAnswer Key

Jason Dion Comptia A+ 1101

78 community-sourced questions and answers. Free — no login.

Community-sourced. Answers may be wrong or out of date. Always verify with your official training portal before submitting. Not affiliated with any branch, agency, or vendor. Details.
QUESTION 1

eSATA is not faster than...

ANSWER

USB 3.0 is faster than...

QUESTION 2

IMAP is used for

ANSWER

Cross-device mail synchronization

QUESTION 3

POP3 is used for

ANSWER

Email retrieval (deletes after retrieved)

QUESTION 4

SMTP is used for

ANSWER

Sending mail

QUESTION 5

When configuring a high-wattage desktop PC you must consider...

ANSWER

The wattage of the PSU and the number/types of connectors

QUESTION 6

Modern HDD RPM ratings

ANSWER

5400, 7200, 10000, 15000

QUESTION 7

What USB standard supports up to 4.5 W of power per connected device?

ANSWER

USB 3.0 - Previous standards only supply 2.5 W.

QUESTION 8

What causes a ghost image to appear on a printout?

ANSWER

Issues with the drum unit will cause ghosting.

QUESTION 9

What is Zigbee

ANSWER

Open-source wireless communication protocol operating in the 2.4 GHz frequency band

QUESTION 10

Laptop powering down while plugged in, and battery not charging

ANSWER

Replace the DC jack

QUESTION 11

40 pin ribbon cable

ANSWER

IDE/PATA use this cable type

QUESTION 12

OS Not Found during boot

ANSWER

Repair the Master Boot Record (MBR) / Globally Unique ID Parition Table (GPT) - bootrec /fixboot

QUESTION 13

Continuous reboots indicates an issue with...

ANSWER

The memory in the device

QUESTION 14

3G is made up of what two different technologies

ANSWER

Evolved Highspeed Packet Access (HSPA+) and Evolution-Data Optimized (EV-DO)

QUESTION 15

DCPS (DC Power Supply/Source) in a printer creates what voltages

ANSWER

+/- 5VDC & +24VDC

QUESTION 16

SNMP port

ANSWER

udp 161 & 162

QUESTION 17

If connection speeds are slow

ANSWER

Check network card/NIC drivers on the device(s)

QUESTION 18

When a company device is lost

ANSWER

Perform remote wipe from MDM

QUESTION 19

ST fiber connector

ANSWER

Straight tip connector is a quick-release bayonet-style connector that has a long cylindrical connector and circular locking mechanism

QUESTION 20

SC fiber connector

ANSWER

Subscriber Connector is a single push/pull style connector that has a square snap-in connector

QUESTION 21

LC fiber connector

ANSWER

Lucent Connector is a SFF connector that combines the transmit and receive cables into a single square snap-in connector

QUESTION 22

Measured service

ANSWER

Cloud provider measures or monitors the use of services for billing, resource allocation, or overall predictive planning

QUESTION 23

Rapid elasticity

ANSWER

Scalable provisioning or the capability to provide scalable cloud computing services

QUESTION 24

Microwave links require

ANSWER

Direct Line-Of-Sight (LoS)

QUESTION 25

Split horizon

ANSWER

An algorithm that prevents network loops

QUESTION 26

Virtual machines have less _____ in comparison to local servers

ANSWER

Local servers have more downtime than local machines

QUESTION 27

"Operating System Not Found" but boot.ini file is configured properly

ANSWER

An incompatible partition is marked as active

QUESTION 28

Service Location Protocol (SLP)

ANSWER

Protocol for organizing and locating the resources (such as printers, disk drives, databases, e-mail directories, and schedulers) in a network

QUESTION 29

Data Remanence is caused by Rapid Elasticity

ANSWER

DR is residual representation of digital data that remains even after attempts have been made to remove or erase it.

QUESTION 30

What feature does your travel PC require on it's PSU?

ANSWER

Dual voltage selection (110-120v/220-240v)

QUESTION 31

2.4 GHz frequency band are only supported in Europe and Japan due to government regulations

ANSWER

Frequency band 13

QUESTION 32

Networking hardware used to deliver broadband internet access using a hybrid fiber-coaxial

ANSWER

Cable modem uses hybrid fiber-coaxial

QUESTION 33

NIC lights are steady, not blinking

ANSWER

No network activity

QUESTION 34

Laptop display is dim, but visible (better with excess light)

ANSWER

Inverter needs to be replaced

QUESTION 35

TFTP port

ANSWER

UDP 69

QUESTION 36

The U.S. uses CDMA as opposed to...

ANSWER

GSM is more by countries outside the U.S.

QUESTION 37

"Replace cartridge. Filament is empty"

ANSWER

3-D printer needs more filament

QUESTION 38

802.3af (PoE) supports what voltage?

ANSWER

15.4W

QUESTION 39

WAP is sporadically dropping connetions

ANSWER

First thing to test is the placement of the WAP

QUESTION 40

3 tasks to complete for new Thin Client

ANSWER

Connect to network, install security updates, install applications

QUESTION 41

Offices connected via antenna experience connection issues after flag-pole installation

ANSWER

Most likely caused by signal attenuation

QUESTION 42

Fitness trackers use what technology

ANSWER

accelerometer

QUESTION 43

Internal network configuration

ANSWER

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

QUESTION 44

Monitor is displaying incorrect colors

ANSWER

VGA cable has broken/missing pins

QUESTION 45

What component of the laser printer combines the colors

ANSWER

Transfer roller passes the colors to the page

QUESTION 46

What does CDMA use when connecting to towers?

ANSWER

Preferred roaming index (PRI) & preferred roaming list (PRL)

QUESTION 47

Software-defined networking (SDN)

ANSWER

Networking hardware is used to create network infrastructures within the cloud

QUESTION 48

Laptop & desktops are NOT part of what

ANSWER

IoT includes all non-standard internet-connected devices (including

QUESTION 49

Bonjour (MacOS)

ANSWER

Networking protocol used by MacOS to find printers

QUESTION 50

DomainKeys Identified Mail (DKIM)

ANSWER

Provides cryptographic authentication mechanism to positively identify the authorized sender of an email

QUESTION 51

How to increase lifespan of SSD?

ANSWER

Disable regular defragment processes

QUESTION 52

Virtualization

ANSWER

Best way to test OS patches before deployment

QUESTION 53

Common issues with bad fuser in MFP

ANSWER

Printed pages appear to have a dust-like coating

QUESTION 54

Computer is whining while in use

ANSWER

Oil the cooling fans

QUESTION 55

Printer setting to output copies of multi-page documents in order (as opposed to 1 1 2 2 3 3)

ANSWER

Collate

QUESTION 56

On-demand cloud computing

ANSWER

Cloud computing concept allows users to store files on a cloud-based server when necessary and copy that data from the cloud

QUESTION 57

Function key to enter boot management in Windows

ANSWER

F12

QUESTION 58

Printer concept used as page description language to produce higher quality outputs at the expense of speed

ANSWER

PostScript

QUESTION 59

Internet connection allows for high-speed bi-directional data communication over a hybrid fiber-coaxial (HFC)

ANSWER

Cable internet

QUESTION 60

Shadow Copy

ANSWER

Synchronization process exclusive to Windows devices

QUESTION 61

Metered plan

ANSWER

Pre-paid amount of data. Big charge to exceeding that amount.

QUESTION 62

Proxy server

ANSWER

A form of network security that acts as a go-between for requests on a network

QUESTION 63

CNAME record

ANSWER

Canonical Name record within DNS, used to provide an alias for a domain name.

QUESTION 64

Clicking in hard drive when rebooting, slow to finish booting up

ANSWER

Perform disk defragement - device is strained to reach data

QUESTION 65

Check print server queue

ANSWER

Attempting to print to office printer, but nothing comes out. Yesterday printer was working just fine.

QUESTION 66

Flourescent backlighting

ANSWER

LCD laptops use what backlight

QUESTION 67

Laser printing process

ANSWER

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

QUESTION 68

Projector is dim but image is good

ANSWER

Increase contrast to fix what project issue

QUESTION 69

KVM switch

ANSWER

Control, switch between, and manage multiple PCs or servers via a single keyboard, monitor and mouse

QUESTION 70

WMN

ANSWER

Wireless mesh network

QUESTION 71

POTS

ANSWER

Plain Old Telephone System

QUESTION 72

VM Cloning

ANSWER

Creating an exact copy of a VM

QUESTION 73

Secure accounting cloud system

ANSWER

SaaS in private network

QUESTION 74

Long-range unlicensed wireless connection

ANSWER

What is microwave-based internet best for

QUESTION 75

Physical hardware

ANSWER

What is the bottom layer of a VM

QUESTION 76

USB-C is used for modern android devices

ANSWER

Androids use what connector now instead of Micro-USB

QUESTION 77

Rebuilding the array

ANSWER

What is repairing a RAID setup after replacing a failed disk

QUESTION 78

Defective ribbon advance mechanism

ANSWER

Thermal printer output is faded from left to right

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