CompTIA A+ Practice Test Set 1 Of 7
Comptia A+ practice test
- 1.A user states that their laptop is suddenly not receiving any wireless signals, yet other users are. Which of the following is the MOST likely cause?
- A.
The wireless communication switch has been turned off.
- B.
The laptop has entered sleep mode.
- C.
The drivers for the wireless card have become corrupted.
- D.
The wireless antenna has become disconnected.
- 2.Which of the following connectors has only two pairs of wires?
- A.
RJ-45
- B.
BNC
- C.
RJ-11
- D.
LC
- 3.Which of the following is the definition of plenum-rated cable?
- A.
Cabling that has a special coating to protect from electronic eavesdropping.
- B.
Cabling that has extra shielding to reduce EMI.
- C.
Cabling that can be used for twice the normal maximum distance.
- D.
Cabling that can be used within a dropped ceiling.
- 4.Which of the following are the output voltages of an ATX power supply? (Select TWO).
- A.
5V and 12V
- B.
9V and 24V
- C.
12V and 24V
- D.
15V and 5V
- E.
9V and 5V
- 5.The FASTEST cache in a computer is:
- A.
L1.
- B.
L2.
- C.
L3.
- D.
L4.
- 6.Which of the following voltages does the ATX power supply provide? (Select TWO).
- A.
3.3V and 15V
- B.
5V and 15V
- C.
5V and -5V
- D.
15V and -15V
- E.
3.3V and -5V
- 7.Which of the following is BEST practice when installing a new hardware device in a Windows OS?
- A.
Uninstall all unused drivers.
- B.
Use the oldest most tested release of the driver.
- C.
Upgrade the BIOS after the install.
- D.
Use a digitally signed driver.
- 8.EEE1394b (Fire wire) is capable of transfer rates of up to:
- A.
12Mbps.
- B.
400Mbps.
- C.
480Mbps.
- D.
800Mbps.
- 9.Which of the following is a limitation of satellite broadband?
- A.
The speed is capped by ISO regulations
- B.
Requires line of sight
- C.
Cannot be used in remote locations
- D.
It is a receive only transmission
- 10.Which of the following ports is associated with POP3?
- A.
20
- B.
23
- C.
25
- D.
110
- 11.Which of these is the BEST example of a strong password?
- A.
E$a7M5l
- B.
Globall
- C.
123454321
- D.
Library*
- 12.A user reports that their CRT monitor is discolored in one corner. When a technician receives the unit, they are unable to reproduce the error. The technician returns the PC and the problem persists. Which of the following categories would this symptom fall under?
- A.
Permanent
- B.
Environmental
- C.
Universal
- D.
Transient
- 13.802.11b has the potential to support up to:
- A.
11Mbps.
- B.
50Mbps.
- C.
54Mbps.
- D.
100Mbps.
- 14.Which of the following is used to list all of the hops from a starting point to a final destination?
- A.
Tracert
- B.
Ipconfig
- C.
Netsh
- D.
Netstat
- 15.Which of the following configurations would BEST allow sensitive data to be stored on the same hard drive as the operating system, while protecting the data from the operating system related issues?
- A.
Partition the drive into two physical drives making C: the OS and D: the data.
- B.
Encrypt the sensitive data so that it cannot be read without a key.
- C.
Partition the drive into two logical drives, making C: the OS and D: the data.
- D.
Hide the sensitive data from casual view using folder Properties - Attributes.
- 16.Which of the following ports is used for telnet, by default?
- A.
Port 21
- B.
Port 23
- C.
Port 25
- D.
Port 110
- 17.All of the following can be plugged into a UPS EXCEPT:
- A.
Docking station
- B.
Laser printer
- C.
Laptop
- D.
Router
- 18.Which of the following can be disabled to help prevent access to a wireless network?
- A.
SSID broadcast
- B.
MAC filtering
- C.
WEP key
- D.
WPA passphrase
- 19.Which of the following commands is used to troubleshoot problems with DirectX that is currently installed on the system?
- A.
Msinfo32
- B.
Msconfig
- C.
Dxdiag
- D.
Cmd
- 20.Which of the following BEST describes the purpose of placing special rubber mats on the floor and tables where technicians repair machines?
- A.
EMI prevention
- B.
MSDS
- C.
RFI prevention
- D.
ESD preventior
- 21.A technician is called to a school lab to fix a computer. The computer worked fine the day before, but now does not power on. The computer is plugged into a power strip with another computer. The other computer works fine. Which of the following could be the problem?
- A.
The power strip is overloaded.
- B.
The monitor is unplugged.
- C.
The power cable is unplugged from the computer.
- D.
The power strip is unplugged.
- 22.Which of the following maintenance utilities is used to remove no longer needed files or temporary files that were installed during a program installation?
- A.
CHKDSK
- B.
DEFRAG
- C.
SCANDISK
- D.
Disk Cleanup
- 23.A customer states their computer was fine until yesterday when they heard a pop noise and the computer stopped working. Which of the following components should the technician test FIRST?
- A.
Main system board
- B.
Processor
- C.
Hard disk drive
- D.
Power supply
- 24.Which of the following is a solution to switch between an internal and external display on a laptop?
- A.
Change the setting in the BIOS.
- B.
Disable the internal monitor in the device manager.
- C.
Toggle using Fn keys.
- D.
Hold the cutoff switch down
- 25.Which of the following connector types are typically used on LCD displays?
- A.
XGA and VGA
- B.
Bluetooth and XGA
- C.
CGA and Bluetooth
- D.
DVI and VGA
- E.
CGA and DVI
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