IT CertificationsAnswer Key

Comptia A+ Certmaster Practice

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

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QUESTION 1

You need to configure a SOHO (Small Office Home Office) network to provide Internet Protocol (IP) Addresses only to devices allowed on the network. You have configured a list of devices that are allowed to access the network. Which feature should be enabled?

ANSWER

Answer: MAC (Media Access Control) Filtering

QUESTION 2

In which sector on the hard drive is the Master Boot Record (MBR) located?

ANSWER

Answer: In the first sector of the first partition

QUESTION 3

Which of the following Intel CPUs are laptop only chips?

ANSWER

Answer: Core Duo

QUESTION 4

In a large network, to which of the following devices would you NOT assign a static Internet Protocol version 4 (IPv4) address?

ANSWER

Answer: Workstation

QUESTION 5

In Windows Firewall properties, how can you block a computer from accessing a specific program?

ANSWER

Answer: Use the "Allow" state for outbound connections and create a rule to block the program.

QUESTION 6

What is NOT true about troubleshooting WiFi network problems?

ANSWER

Answer: There may be a problem with the Ethernet NIC.

QUESTION 7

What causes most paper jams?

ANSWER

Answer: Improper media and creases in paper

QUESTION 8

Which of the following cloud services offers an online data center infrastructure without having the associated costs of purchasing and managing the hardware?

ANSWER

Answer: IaaS

QUESTION 9

Which of these is part of a fiber optic strand?

ANSWER

Answer: Buffer

QUESTION 10

What is true about RAID hardware configurations?

ANSWER

Answer: RAID hardware can be supported by the motherboard.

QUESTION 11

When should you consider a workaround as solution to a non-critical IT problem?

ANSWER

Answer: When you want to be most cost-effective

QUESTION 12

Which cloud deployment type is targeted towards only a certain group of users?

ANSWER

Answer: Community

QUESTION 13

Your computer shuts down every time you plug your external USB optical drive to it. After removing the optical drive, it works fine. What kind of problem could this indicate?

ANSWER

Answer: The PSU is underpowered.

QUESTION 14

Which type of printer allows you to print text files to an image file format (such as a .JPEG) so that you can email an image of the text to a colleague?

ANSWER

Answer: Virtual printer

QUESTION 15

You are working on a project that requires virtualizing an operating system (OS) for an end user to test an application. It has been requested that you use a type-2 hypervisor to accomplish this. Which of the below would fulfill that requirement?

ANSWER

Answer: KVM

QUESTION 16

What is true about identifying the cause of a problem?

ANSWER

Answer: You must balance being methodical with being efficient.

QUESTION 17

A company uses smartcards with Personal Identification Numbers (PINs) as a two-step authentication process to access the network. This is an example of which of the following network authentication methods?

ANSWER

Answer: Public key authentication

QUESTION 18

Which of these can cause damage to a hard disk?

ANSWER

Answer: Sudden loss of power

QUESTION 19

Which of the following cases are used for high-end user personal computers (PCs)?

ANSWER

Answer: Mid tower case

QUESTION 20

How do you configure a proxy server in Windows?

ANSWER

Answer: Click the LAN Settings button on the Connections tab of the Internet Options dialog.

QUESTION 21

Which of the following is the addressing scheme that uses a 32-bit number for each address?

ANSWER

Answer: IPv4

QUESTION 22

What is the last thing you should always do before considering an incident closed?

ANSWER

Answer: Confirm with the customer the problem has been fixed.

QUESTION 23

You plan on purchasing a Windows 10 desktop to virtualize two Linux operating systems for web development purposes. You are in the market for a machine with an Intel processor. What CPU virtualization feature will you look for when shopping?

ANSWER

Answer: VT

QUESTION 24

Which port is typically known as a serial port?

ANSWER

Answer: COM1

QUESTION 25

What is the purpose of having an accelerometer in a laptop?

ANSWER

Answer: To protect the hard drive

QUESTION 26

You are considering replacing the hard drive in your laptop. You know that the laptop is using a 2.5" drive, but you want to research available drive heights as well. Which of the below is NOT a valid 2.5" hard drive height?

ANSWER

Answer: 12 mm

QUESTION 27

How do you configure a host to use a static Internet Protocol version 4 (IPv4) address in Windows?

ANSWER

Answer: Select the "Use the following IP address" option and enter the IP address on the General tab of the IPv4 Properties dialog.

QUESTION 28

You need to do some application testing. You have a Windows 10 desktop and decide to use Hyper-V to create virtual environments to test the applications in. You do not want the guest virtual machines to be able to communicate with any other physical system on the network: however, communication between the guests and the hosts is allowed. Which type of virtual switch should you create in Hyper-V?

ANSWER

Answer: Internal

QUESTION 29

Which of the following Hypervisors is included with Linux distributions?

ANSWER

Answer: KVM

QUESTION 30

Which feature of a wireless router allows you to prioritize certain types of network traffic?

ANSWER

Answer: Quality of Service (QoS)

QUESTION 31

You want to build a computer that can stand upright on a desk and takes up the least amount of space possible. Which case type should you select?

ANSWER

Answer: Micro-ATX slim tower

QUESTION 32

Which of these has a transfer rate of 1.6 Gigabits per second (Gbps)?

ANSWER

Answer: DDR-200

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