Comptai A+ Quiz

1.

1 point

Which of the following network types BEST represents a network centered around one individual?

MAN

Cloud

PAN

LAN

2.

1 point

A user on a wireless network has the IP address 169.254.155.2 but cannot connect to the Internet. Which of the following should the user check on the wireless router?

WPA

WINS

DNS

DHCP

3.

1 point

What is contained within the ROM of a pc ?

POST

Hard-drive configuration

CMOS

Date and time

4.

1 point

A technician is looking to install a 3.5 inch desktop hard drive into an external enclosure. Which of the following input interfaces would provide the MOST throughput for the drive?

USB 2.0

Bi-Directional Parallel

IEEE 1394

eSATA

5.

1 point

Which of the following BEST describes the function of DHCP?

Encrypts data traffic on a network

Blocks MAC address with security violations

Translates IP addresses to names

Assigns IP addresses on a network

6.

1 point

Which of the following is an example of a MAC address?

192.17.2.1

4309:FD21:ACB3:0012

00-00-00-1B-02-55

http://www.comptia.org

7.

1 point

Which of the following devices transmits data to all ports regardless of final destination?

Switch

Firewall

Hub

Router

8.

1 point

Which of the following settings, when enabled, is MOST likely to result in an IP address conflict on a local network?

Custom DNS address

Static IP address

QoS enabled

UPnP enabled

9.

1 point

Which of the following is the BEST way to explain RAID to a non-technical user?

"RAID stands for Redundant Array of Independent Disks".

"RAID is a dynamic logical disk management system."

"RAID uses multiple hard disks to increase performance and/or provide protection against data loss."

"RAID uses data striping to reduce hard drive write time and parity bits to reconstruct the data from a failed hard drive."

10.

1 point

Why might an old PC be perceived as getting slower ?

Because the drives have become fragmented Because the drives have become fragmented Because the drives have become fragmented

Because the latest software is designed for newer hardware

Because PC performance degrades with age

Both A and B are correct

None of the above

11.

1 point

A customer would like assistance with choosing the appropriate PCs for opening an Internet caf?
The customer explains to the technician that the PCs would only be used to search the Internet. Which of the following would the technician suggest?

Media PC

Thin client

Thick client

Gaming PC

12.

1 point

Which of the following RAID levels extends the size of a volume without providing reliability or mirroring?

RAID 5

RAID 10

RAID 0

RAID 1

13.

1 point

Which of the following memory form factors is MOST commonly found in laptops?

RAMBUS

SODIMM

SDRAM

DIMM

14.

1 point

Which type of memory needs a constant update signal (Refresh Signal)?

SODIMM

DRAM

SRAM

RDRAM

15.

1 point

An IP address of 10.10.1.180 would be considered part of which of the following address classes?

Class C

Class A

Class D

Class B

16.

1 point

Which of the following statements regarding PCI and AGP are true ?

PCI runs at the same speed as the memory bus

Both PCI and AGP are plug and play compatible

AGP runs at the same speed as the memory bus

None of the above are correct

The PCI bus is 16 bits wide while the AGP bus is 32 bits wide

17.

1 point

Which of the following describes the use of the DNS protocol as it relates to a TCP/IP network?

Provides automated addressing to resources on the network

Provides remote connectivity to resources on the network

Provides mapping of user friendly names to network resources

Provides separate control and data connections between network resources

18.

1 point

A technician is helping to purchase a new server to be used to roll out virtualized workstations. Which of the following components should be chosen to BEST meet the customer’s needs? (Select TWO).

Maximum memory

Surround sound audio

Specialized video card

Maximum-core processor

Dual monitors

19.

1 point

A molex power connector is used to power ?

Molex E1 Devices

Motherboards

Hard Disks

Floppy drives

20.

1 point

Your Power on a PC and get a 301 POST error code, indicating a keyboard error. You replace the keyboard and get the same error. What could be the cause?

The keybord cable is defective

The PS/2 keyboard port is defective

The keyboard is plugged into the mouse port

The 302 POST code indicates the keyboard itself is defective

The CMOS setup is incorrectly

21.

1 point

A technician must replace a 10/100 NIC in a Windows XP PC. The failed NIC is no longer available and a substitute 1 GB NIC will be used. Which of the following MUST be performed to accomplish the task?

The PC must be rated to support the 1 GB NIC speed.

The NIC speed cannot exceed 10/100 and the PC must support digitally signed drivers.

The network cable must also be upgraded.

The drivers for the new 1 GB NIC must be installed.

22.

1 point

Which of the following describes the expected properties of an asynchronous digital subscriber line service?

The data upload speed is the same as the data download speed.

The data upload speed is faster than the data download speed.

The data download speed is faster than the data upload speed.

The data throughput speed direction can be selected based on the user’s discretion.

23.

1 point

What is purple coloured PS/2 connector used for ?

Mouse

Keyboard

Mic

Speaker

24.

1 point

Which of the following properties of TCP/IP is used to differentiate the network and the host portions of an IP address?

Default gateway

DNS address

Subnet mask

DHCP lease

25.

1 point

Which of the following would require the need for a POTS line?

Switch

Modem

Hub

Router

26.

1 point

Which of the following provides the LEAST network security?

Firewall

Router

Hub

Switch

27.

1 point

How many devices can be connected to a USB port?

127

1

2

256

28.

1 point

You are the PC Technician responsible for maintaining the computers on your network. Some how your NIC ceases to function. What is the first thing you should do ?

Check the Link lights

Reset the BIOS

Reinstall the OS

Change the NIC

Reboot the Server

29.

1 point

Which of the following connector types is associated with a fiber connection?

RJ-11

RJ-45

LC

HDMI

30.

1 point

Basic Internet web traffic generally travels on which of the following ports?

25 and 53

110 and 53

80 and 443

53 and 8080

31.

1 point

Which of the following are components of an "active" CPU cooling solution?

A heatsink and thermal compound.

A heatsink, radiator, and thermal compound.

A heatsink, case fan, and thermal compound.

A heatsink, attached fan, and thermal compound.

32.

1 point

A PC technician must upgrade memory from 2 GB to 4 GB in twenty Windows 7 notebook computers. Some of the laptops have DDR2 memory, and some have DDR3. The memory purchased for the upgrade is DDR3. Which of the following is the MOST likely outcome of this upgrade?

The DDR2 memory will fit into the DIMM positions and work

The DDR2 notebooks will work with DDR3 provided the DDR2 is installed in the first DIMM positions.

The DDR3 memory will not work correctly unless the CAS (CL) values are the same

The DDR3 notebooks are the only ones that will accept the new memory.

33.

1 point

Which of the following ports are commonly used to send/receive email? (Select TWO).

443

25

110

80

53

34.

1 point

A technician needs to configure a wireless small office home office (SOHO) network to provide IP addresses to devices on the network. Which of the following features should be enabled?

MAC filtering

DHCP

Port forwarding

SSID broadcast

35.

1 point

Which of the following motherboards would fit in an ATX case?

BTX

Ultra ATX

Micro ATX

ITX

36.

1 point

What is the Data rate of a USB 2.0 ?

12Mbps

480Mbps

12bps

480bps