A+ Core 1 Practice Exam Content

Question 1

True or False:

A USB (Universal Serial Bus) is managed by a host controller, which in theory, can support up to 89 connected devices per controller.

Core 1

Answer 1

~ FALSE ~
Theoretically, a single USB host controller can support up to 127 connected device per controller.

Core 1

Question 2

Which of the following is a type of input device?
a. Speaker
b. Monitor
c. Keyboard
d. Printer

Core 1

Answer 2

Keyboard

Core 1

Question 3

(Choose two)

Which of the following devices might have an ARM processor?

a. Android
b. Windows Desktop/Workstation
c. Windows Laptop
d. MacBook

Core 1

Answer 3

Android & MacBook

Core 1

Question 4

(Choose two)

You require at least 1 Gbps of bandwidth over a distance of 90 meters. Which of the following network cables meet your requirement?

a. CAT6a
b. CAT5
c. CAT5e
d. CAT6

Core 1

Answer 4

CAT6 & CAT6a

Core 1

Question 5

You are troubleshooting a user’s computer and have just established a theory that the problem could be caused by a bad RAM module. What should you do next?

a. Establish a plan of action to replace the faulty RAM
b. Identify if there have been any recent RAM upgrades
c. Run a memory diagnostic to determine if your theory is correct
d. Document your theory in your company’s helpdesk ticketing system

Core 1

Answer 5

c. Run a memory diagnostic to determine if your theory is correct

• Answer (a.) would be a natural step AFTER running a memory diagnostic.
• Answer (b.) could be established either before or after a memory diagnostic, but is ultimately irrelevant because a diagnostic would still be required regardless.
• Answer (d.) is one of the last steps in the CompTIA troubleshooting methodology.

Core 1

Question 6

True or False

The largest form factor of a motherboard is ATX.

Bonus Points | List the dimensions of each form factor |

Core 1

Answer 6

TRUE
There are three other standard form factors of modern computer motherboards: Micro-ATX (smaller), and Mini-ITX (smallest).

• Bonus answer: ATX = 12” x 9.6” [305mm x 244mm] | Micro-ATX = 9.6” x 9.6” [244 mm x 244 mm] | Mini-ITX = 6.7” x 6.7” [170 mm x 170 mm]

Core 1

Question 7

Which of the following is a type of virtualization technology that allows a user to run multiple operating systems on their personal computer?

a. Hypervisor
b. Client-side virtualization
c. Server-side virtualization
d. All of the Above

Core 1

Answer 7

Client-side Virtualization

Core 1

Question 8

Which of the following 3D printer technologies can create solid metal objects?

a. SLS
b. MFD
c. PLA
d. SLA

Core 1

Answer 8

SLS or Selective Laser Sintering is an additive manufacturing process that uses a high-powered laser to selectively fuse (or sinter) powdered material (usually nylon or other thermoplastics) into a solid three-dimensional objects.
* To be specific, SLS for metalworks(stainless steel, aluminum, titanium & other alloys) is called DMLS = Direct Metal Laser Sintering.

Core 1

Question 9

Which of the following is a connection-oriented protocol that guarantees delivery?

a. HTTP
b. TCP
c. UDP
d. FTP

Core 1 & More

Answer 9

TCP
>[Transmission Control Protocol ]<
* Answer (a.) is Hyper Text Transmission Protocol and does not guarantee packet delivery by nature.
* UDP (User Datagram Protocol) functions as a Connectionless or non-guaranteed method of communication.
* Answer (d.) does not guarantee delivery. FTP (File Transfer Protocol) is a standard network protocol used for transferring files between a client (usually a user’s computer) and a server on a computer network. It’s one of the oldest and most common ways to exchange files over the internet.

Core 1 & More

Question 10

Laser printer toner is deposited onto the imaging drum during which phase of the laser printer process?

a. Transferring
b. Developing
c. Exposing
d. Charging

Core 1

Answer 10

Developing

Core 1

Question 11

Which voltage is used by the Power Good signal?

a) +5
b) -12
c) -5
d) +12
e) +3.3

Answer 11

(A)
+5

Question 12

George is only familiar with VGA connectors for monitors. What two points should you tell him are the main differences between VGA and DVI connectors?

a) VGA & DVI signals travel at different speeds
b) DVI connectors are always white
c) VGA connectors are always blue
d) VGA connectors & cables carry analog signals, while DVI can carry both analog & digital signals ✓
e) VGA connectors provide a maximum output resolution of 1024 x 768

Core 1

N2K scenario

Answer 12

(A) & (D)
* DVI signals do travel at typically higher speeds than those carried through VGA connections.

• VGA connectors/cables carry analog signals only, while DVI cables/connectors can carry both analog & digital signals.

Question 13

You notice that the pages coming out of your laser printer have toner that you can brush off. Which printer component is MOST likely causing the problem?
a) Fuser assembly
b) Photoreceptor
c) Toner Cartridge
d) Pickup Roller

Core 1

N2K scenario

Answer 13

(A)
The Fuser Assembly

Question 14

Your department’s laser printer recently began printing a vertical black line near the edge of every printed page. What should you do to resolve the problem?
a) Add memory
b) Replace the Fuser
c) Replace the Toner Cartridge
d) Clean the Transfer Corona

Answer 14

(C)
Replace the toner cartridge

Question 15

An NTFS folder named Research is backed up on a regular basis. You restore the folder onto another hard drive but notice that the file
permissions were not restored. What is the MOST likely reason this happened?
a) File permissions were not saved during the backup
b) An error occurred while restoring the files
c) The original files were encrypted
d)The files were restored on a FAT partition.

Answer 15

(D)
The files were restored on a FAT partition.
* NTFS partitions allow files to be configured w/ individual permissions; FAT partitions do not.
* NTFS file permissions are always saved during a backup.

Question 16

Which of the following changes to
your computer would MOST likely require that you flash a computer’s BIOS afterward?
a) Replacing the system board
b) Adding memory
c) Upgrading the CPU
d) Charging the boot sequence

Core 1

Answer 16

(C)
Upgrading the CPU

Question 17

What is the operating range for Class 2 & Class 5 Bluetooth devices at their maximum transmission speed?
a) 100 meters or 328 feet
b) 1 meter or 3 feet
c) 200 meters or 656 feet
d) 10 meters or 33 feet

Core 1

Answer 17

(D)
10 meters or 33 feet

Question 18

A user contacts you regarding an end-user device configuration issue. He is installing a new smart-home device that will replace an older device. The old device has two large wires and is marked 100 VAC. The new device has many wires in multiple colors. What is the user trying to install?
a) Door Lock
b) Security Camera
c) Thermostat
d) Light Switch

Core 1

N2K Scenario

Answer 18

(C)
A Thermostat

Question 19

Where is
the MBR (master boot record) stored?
a) Hard Disk
b) BIOS
c) CMOS
d) Paging File

Answer 19

(A)
Hard Disk

Question 20

A user from the accounting department has contacted you regarding problems with a dot matrix printer. When you examine the output from the printer, several letters have missing dots from the page. What should you do?
a) Replace the print head
b) Replace the ribbon
c) Print a test page
d) Clean the print head

Core 1

N2K Scenario

Answer 20

(A)
Replace the print head

Question 21

Which 3 components must pass a computer’s power-on self-test (POST) before an operating system will load?
a) The video card
b) The network interface card (NIC)
c) The memory
d) The CPU
e) The hard disk/solid state drive
f) The keyboard

Core 1

Answer 21

(A) | (C) | (D)
A computer’s OS will not load if either the video card, memory modules, or the CPU fail their respective POST tests.
* Each has their own beep-codes; each code can vary depending on the BIOS manufacturer of the machine. Be sure to research/consult the manufacturer documentation for specific error codes.

Question 22

Which type of computer memory module uses 168 pins?
a) SIMM
b) SIPP
c) RDRAM
d) DIMM
e) DIPP

Core 1

Answer 22

(D)
Standard DIMMs use 168 pins.

Question 23

What is the function of the nozzle gate component on an inkjet printer?
a) Controls the paper movement
b) Controls how much ink is flowing from the ink cartridge
c) Controls whether ink is flowing from the ink cartridge
d) Contains ink in the ink cartridge

Answer 23

(C)
A nozzle gate controls whether ink is flowing from the ink cartridge.

Question 24

Complete the Following statements (fill in the blank)

1. Each computer in a workgroup has its own ⌞…….⌟ ⌞…….⌟.
2. Logging into any computer in a workgroup requires ⌞..⌟ ⌞…….⌟ on that computer.
3. Workgroups typically consist of no more than (##) computers.

Related to Windows workgroups

Core 1

Answer 24

1. Security Policy
2. an account
3. 20

Core 1

Question 25

Multiple Choice

In Microsoft Windows, the ”$” sign appended to the end of the name of a network share indicates that the shared folder or drive is:
a) Inaccessible
b) Visible to any user
c) Encrypted
d) Hidden

Windows Knowledge

Core 1

Answer 25

D Hidden

Question 26

True / False

In Windows 10, the path to a network drive can be located in File Explorer (explorer.exe).
After selecting “This PC” item from the left hand menu, the path should be visible in the address bar after double clicking on the drive’s icon.

Windows Knowledge

Core 1

Answer 26

True

Question 27

Which is Which?

RAID 1 // RAID 0
* Consists of Two hard-drives where data is striped across the entire volume resulting in no fault tolerance and faster writing speeds.

• Provides disk mirroring and disk duplexing; when implimented duplicates the original disk onto a separate disk. This RAID setup forr disk mirroring requires two disks of equal size. Disk duplexing & mirroring leaves each hard disk with 50% of it’s max capacity and offers fast recovery and decent fault tolerance.

Core 1

Answer 27

RAID 0 is to Disk Striping (no fault tolerance & faster writing speeds)
~as~
RAID 1 is to Disk Mirroring & Disk Duplexing (decent fault tolerance, fast recovery and requires more total space)

Question 28

Which component of a laser printer should you clean if print jobs have streaks on them when finished printing?

Answer 28

The Transfer Corona wire.

Question 29

Which node on a network serves as an access point to another network?

Core 1 | Core 2 | Network+

Answer 29

The Default Gateway

Question 30

What cabling types have a transmission of up to 100 meters (328 feet)?

Answer 30

Unshielded Twisted Pair (UTP)
and
Shielded Twisted Pair (STP) cabling