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A+ > Questions to know > Flashcards

Questions to know Flashcards

1
Q

Which DVI (Digital Visual Interface) configuration has a bandwidth of 7.4 Gbps (Gigabits per second)?

A

DVI-D dual link

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2
Q

What may have happened if you cannot access the configuration utility in a RAID 1?

A

The RAID controller could have failed.

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3
Q

Under 802.1X, what is the term for the switch that waits for the device to send authentication data?

A

Authenticator

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4
Q

What is the functional purpose of a mobile device’s accelerometer?

A

Adjust the device display when it is detected that the device has re-oriented between landscape viewing modes.

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5
Q

What is the first thing you should do if you are experiencing battery problems with your laptop?

A

Check if the battery is correctly inserted.

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6
Q

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?

A

Micro-ATX slim tower

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7
Q

Which generation of cellular digital communications standards is supposed to deliver a minimum of 100 Mbps for access from moving users?

A

5G

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8
Q

What is the main challenge with not having a BYOD (Bring Your Own Device) program at a place of employment?

A

Security Management

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9
Q

You have a single user who cannot connect to the Internet, but the user can connect to all internal servers, printers, and internal web servers. What should you check as the probable cause?

A

Check the user’s browser’s proxy settings

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10
Q

Which generation of cellular digital communications standards typically delivers around 40 Mbps in practice?

A

LTE

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11
Q

Your company decided to upgrade to 10Gpbs using 10GBASE-T networking. Which category of Ethernet cable would you use?

A

CAT 6A

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12
Q

What term refers to the width of the front-side bus of a central processing unit (CPU), which may be either 32 or 64 bits?

A

Architecture

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13
Q

Cloud computing is an abstraction of computing, where resources are made available to users in which way?

A

Virtual

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14
Q

What type of server uses a distributed database that contains information on domains and hosts within those domains?

A

DNS Server

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15
Q

A green LED light is flickering

A

A green LED indicator light flickering is not a problem, but is showing activity, such as for a hard drive.

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16
Q

System shuts down from overheating

A

If a system shuts down from overheating, it may be due to a problem with fan operation or if the case is exceptionally dirty. Ensure the fans are working and the case is clean. You may need to add additional fans.

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17
Q

Computer is connected but no indicators light up and system won’t power on

A

If the computer is connected but no indicators light up and the system won’t power on, then you should check the power supply to ensure it’s working and properly connected.

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18
Q

POST generates an error via beeps

A

Check codes in documentation

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19
Q

Loud, unusual noises coming from tower

A

Check fans and drives for obstruction or failure

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20
Q

Newly installed extra memory module is not recognized

A

Ensure the module is seated correctly

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21
Q

Power supply in place but shuts down and is not functioning properly

A

Test power supply using multimeter

22
Q

Receive error during boot sector load

A

Check for software or driver problems

23
Q

Peripheral device connected but not recognized

A

Examine cable end and port for damage

24
Q

Keyboard sticking and not functioning properly

A

clean with compressed air and check connection

25
Q

What type of memory card supports up 512 Gigabytes (GBs) of digital imaging data?

A

CF (Compact Flash)

26
Q

Which of the following is a feature of USB on the Go (OTG)?

A

It allows a port to function as a host or a drive

27
Q

What may have happened if you cannot access the configuration utility in a RAID 1?

A

The RAID controller could have failed

28
Q

You work for a small commercial design firm where you need to build out a powerful 3D art department computer to substantially reduce current rendering times. What will be the most important CPU feature needed on this new computer?

A

Hyperthreading

29
Q

What is the first thing you should do if you are experiencing battery problems with your laptop?

A

Check if the battery is inserted properly

30
Q

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?

A

KVM

31
Q

Which generation of cellular digital communications standards typically delivers around 40 Mbps in practice?

A

LTE - A

32
Q

What is NOT true about troubleshooting WiFi network problems?

A

There may be a problem with the Ethernet NIC

33
Q

How do you configure a host to use Dynamic Host Configuration Protocol (DHCP) in Windows?

A

Select the “Obtain an IP address automatically” option on the General tab of the Internet Protocol version 4 Properties dialog.

34
Q

In a large network, to which of the following devices would you assign a static Internet Protocol version 4 (IPv4) address?

A

Proxy Server

35
Q

Under 802.1X, what is the term for the device requesting access?

A

Supplicant

36
Q

What is the first thing you should do when troubleshooting the built-in display on a laptop?

A

Connect the laptop to an external monitor

37
Q

In a laptop, what can be easily accessed by removing the screw plate on the back cover of the laptop?

A

The Wi-Fi Card

38
Q

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

A

When you want to be most cost-effective

39
Q

If you were to order a new laptop that required a screen resolution of 1280 x 800, which resolution standard would you look for?

A

WXGA

40
Q

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?

A

12 MM (12 mm is not a valid 2.5” hard drive height. There is also a 1.8” hard drive, but it is not widely used. The valid 2.5” hard drive heights are 15 mm, 9.5 mm, 7 mm, and 5 mm.)

41
Q

In Windows Firewall properties, how can you prevent a specific port from receiving traffic?

A

Use the “Allow” state for inbound connections and create a rule to block the port.

42
Q

You are starting a project that requires virtualizing two Windows 10 workstations on a single host computer. Your supervisor has gone ahead and purchased VMWare Workstation Pro for the project. Which method best describes installing the host system properly?

A

Install an operating system such as Windows 10 on the host system and then Install VMWare Workstation Pro.

43
Q

Which VGA (Video Graphics Adapter) standard uses a 16:9 aspect ratio?

A

HD (High Definition)

44
Q

What can control whether an external display duplicates or extends the built-in one?

A

OS Display settings

45
Q

Which of the following is NOT a connector on a motherboard for some sort of component?

A

Standoffs

46
Q

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?

A

VT (VT (Virtualization Technology) is an Intel technology that is included in many CPUs. Within a system BIOS, VT can be enabled or disabled. With VT enabled, virtualization platforms can take advantage of features that allow guest virtual machines to use a host CPU as if it were a dedicated CPU.)

47
Q

What type of display technology is known for providing very good color reproduction and better viewing angles?

A

In-Plane Switching

48
Q

What type of portable storage media type is most commonly used in modern mobile devices including smartphones, tablets, drones, and cameras?

A

microSD

49
Q

Which wireless technology found in some laptops allows a connection to a cellular network?

A

WWAN

50
Q

What do you need to be aware of when hot swapping a faulty RAID disk?

A

You should not remove a healthy disk from the array

51
Q

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

A

Community

52
Q

What is a main advantage of using IaaS?

A

There is no requirement to purchase and maintain a data center and related hardware.

A+ (13 decks)

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