Comptia+ Flashcards

1
Q

you are building a desktop PC for a newly hired employee at Dion Training. the computers motherboard doesn’t have a wireless network adapter integrated into it, so you need to purchase an expansion card to provide this functionality. which of the following motherboard connections will most likely be used to connect the wireless network adapter card?
A. eSATA
B. PCIe x16
C. PCIe x1
D. AGP

A

PCIe x16

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2
Q

which of the following is an open-source wireless communication protocol operating in the 2.4 GHz frequency band and is primarily used for home automation?
A. Zigabee
B. Z-Wave
C. NFC
D. Bluetooth

A

Zigabee

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3
Q

which of the following cloud services should an organization choose in order to deliver virtual desktops to end-users over the internet on a per-user license basis?
A. SaaS
B. PaaS
C. IaaS
D. DaaS

A

DaaS

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4
Q

you are troubleshooting a workstation for a customer. the workstation will not boot. when it is powered on, an error message “OS not found” is displayed on the screen. what is the MOST likely solution to fix this error?
A. Perform a chkdsk
B. Repair the GPT
C. Repartition the drive
D. Replace the HDD with a SSD

A

Repair the GPT

OS not found error at the boot time is an indication that the MBR or GPT Globally unique ID partition table is corrupted or faulty

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5
Q

which of the following types of USB connection can support up to 4.5 watts of power per connected device?
A. USB 1.0
B. USB 3.0
C. USB 2.0
D. USB 1.1

A

USB 3.0

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6
Q

a computer tech is replacing a failed power supply in a customers gaming workstation that contains multiple hard drives and a dedicated graphics card. which of the following are the two most important thing for the tech to consider when selecting a power supply replacement for this system?
pick 2
A. Dual voltage
B. Dual rail
C. Wattage rating
D. Number and type of connectors

A

Wattage rating
Number and type of connectors

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7
Q

what type cloud model would allow the sharing of resources by multiple organizations to create a service that benefits all of its members?
A. Public cloud
B. Hybrid cloud
C. Private cloud
D. Community cloud

A

Community cloud

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8
Q

which of the following is a security concern with using a cloud service provider and could result in a data breach caused by data remnants?
A. On- demand
B. Rapid elasticity
C. Resource pooling
D. Metered services

A

Rapid elasticity

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9
Q

tamera was responding to a complaint that one of the employees is having a problem with the wired network connection to their laptop. she investigated the issue to see why it will not connect to the network. tamera looked at the indicator lights, but she doesn’t see the blinking she expected to view. instead the light is steady. what is MOST likely the issue?
A. Incorrect TCP/IP configuration
B. Low RF signal
C. No network activity
D. Intermittent connectivity

A

No network activity

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10
Q

a customer contacts the service desk because their laptop will not power on when plugged in, and the battery is dead. the service desk replaces its battery, connects it to a different power adapter, and the battery works all day until it runs out. now, the laptop wont turn on, and the battery wont charge. which of the following do you recommend to solve the issue?
A. Replace the power adapter
B. connect the laptop to a 220v outlet
C Replace the DC jack
D replace the battery

A

Replace the DC jack

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11
Q

you have been asked to fix an old computer whose CD-ROM has stopped working. the CD-ROM drive is using a 40-pin ribbon cable, and you suspect the cable is defective. which cable should I buy to replace the cable?
A. USB
B. eSATA
C. IDE
d. SATA

A

IDE
integrated drive electronics

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12
Q

your firewall is blocking outbound email traffic that is attempting to be sent. which port should you verify is set to ALLLOW in the firewall to ensure your emails are being sent?
A. 22
B. 25
C. 80
D. 143

A

25

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13
Q

which of the following statements about eSATA is correct?
A. eSATA is slower then USB 3.0
B. eSATA uses unshielded cables
C. eSATA is used to add additional external storage devices
D. eSATA is used to add additional internal storage devices

A

eSATA is used to add additional external storage devices

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14
Q

you are connecting a laptop to a brand new digital high definition TV. unfortunately,
the laptop is a little outdated and only has analog display output.. which of the following
adapters could you use to convert the signal from analog to digital for use with new television?
A. VGA to DVI-D
B. HDMI to VGA
C. S-Video TO RCA
D. DVI-D to HDMI

A

VGA to DVI-D

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15
Q

you work as a computer tech for a production company that travels worldwide while filming and editing music videos. due to the nature of video editing, you will be building a video production workstation for the company that will have the maximum amount of RAM, an 8-core CPU, a dedicated GPU, and a redundant array of SSD devices for storage. you are now determining which power supply to install in the system. what is the MOST important characteristic to consider when choosing a power supply?
A. Number of SATA connections
B. Amperage of 12v rail
C. Input voltage
D. Efficiency rating

A

Input voltage

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16
Q

molly enjoys an online MMORPG each day after work. to access the game, she simply enters the website address and logins in to begin the game. today, she tied to access the game from her laptop at work, but she couldn’t launch the game. what is most likely causing the issue?
A. Poor Wi-Fi connection
B. Metered services
C. Blocklisted by the firewall
D. Incorrect NIC settings

A

Blocklisted by the firewall

17
Q

which of the following types of networking hardware is used to deliver broadband internet access using a hybrid fiber-coaxial (HFC) infrastructure?
A. Optical network terminal
B. Digital subscriber line
C. Cable modem
D. Software-defined networking

A

Cable modem

18
Q

which of the following DC voltages are not found within a printer when the laser printer converts AC power to DC power for use?
A. -5 VDC
B. +24 VDC
C. +5 VDC
D. -24 VDC

A

-24 VDC