JK0-802試験無料問題集（993題）「CompTIA A+ Certification Exam (JK0-802) 認定」

出題：1

A user reports their laptop battery will not charge. Which of the following would be checked FIRST in order to narrow down the issue?

A. Remove the battery and power the laptop using the AC adaptor.

B. Check the AC voltage at the outlet using a multimeter.

C. Use a multimeter to check the output voltage from the AC adaptor.

D. Remove the battery and place it in another laptop to see if it works.

正解：A 解答を投票する

出題：2

A customer is concerned about a computer that repeatedly beeps when attempting to power on. Which of the following is MOST likely the cause?

A. Network cable is unplugged

B. Optical media was left in the drive

C. RAM not seated properly

D. USB 2.0 is plugged into USB 1.1 port

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：3

When installing Hyper-V, which of the following is a hardware requirement?

A. Multi-display video card

B. 32GB of RAM

C. 64-bit processor

D. 1TB of storage space

正解：C 解答を投票する

出題：4

When using a PC on a Windows Domain, which of the following is the MOST critical service when connecting to multiple file, print, and email servers?

A. Computer Browser Service

B. Internet Connection Sharing Service

C. DNS Service

D. Windows Firewall Service

正解：C 解答を投票する

出題：5

A user is advised by the software vendor that the user must have elevated privileges in order to run a program. The user should do which of the following to BEST accomplish this?

A. Run in Windows XP compatibility mode

B. Right click select "run as" and select administrator

C. Run the program in a virtual PC environment

D. Log out of the system and login under another user's name

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：6

A technician is dispatched to repair a computer that appears to boot correctly, except no video output is being displayed. No beep codes are given by the computer, but drive activity lights and keyboard lights work correctly. The technician decides that the video card may be defective and removes it from the computer, expecting the computer's POST process to provide beep codes with the card removed. Instead the computer boots properly. Which of the following is MOST likely the cause?

A. The monitor is defective

B. The RAM should be reseated

C. Onboard video is present

D. The onboard speaker is defective

正解：C 解答を投票する

出題：7

Ann, a small business owner, would like to implement wireless networking for her business but wants to be sure the wireless is ONLY accessible from within her business' premises.
Which of the following would BEST accomplish this?

A. Assigning DHCP addresses that expire after a shorter period of time

B. Disabling SSID broadcast to ensure that only employees know the SSID

C. Using unidirectional antennas and reducing radio power levels appropriately

D. Using omni-directional antennas and reducing radio power levels appropriately

正解：C 解答を投票する

出題：8

Which of the following are characteristics of a strong password? (Select TWO).

A. Uses dictionary words.

B. Uses special characters.

C. Cannot be reversed.

D. Hard to guess.

E. Can be encrypted.

正解：B,D 解答を投票する

出題：9

A newly installed application runs every time the operating system boots causing a delay during startup. Which of the following tools will allow a technician to resolve the problem?

A. DXDIAG

B. MSCONFIG

C. REGSRV32

D. SFC

正解：B 解答を投票する

出題：10

A technician would MOST likely use Windows PE on a Windows 7 system to perform which of the following functions?

A. Fix file system issues outside of the OS

B. Install new hardware with appropriate drivers

C. Print specialized reports of processes starting at boot

D. Install new programs outside of the OS

正解：A 解答を投票する

出題：11

A technician encounters a PC where they can hear the power supply fan running, but the system is not booting up and there is no display. Which of the following are the MOST likely causes? (Select TWO).

A. Bad PCI card

B. Bad Motherboard

C. Bad RAM

D. Bad boot.ini file

E. Bad Power Supply

正解：B,E 解答を投票する

出題：12

Which of the following ports MUST be open in order for Remote Desktop to function?

A. 5900

B. 53

C. 3389

D. 80

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：13

A user has downloaded and installed a browser add-on that causes the browser to hang. The PC has very slow system response when rebooted. Which of the following should a technician do to troubleshoot this problem?

A. Remove all temporary files, turn off System Restore, update and run an antivirus scan.

B. Remove all Internet temporary files, run an antivirus scan, and reboot using Last Known Good Configuration.

C. Run System Restore, update antivirus program, and run an antivirus scan.

D. Run an antivirus scan, Run Disk Cleanup, and reboot into Safe Mode.

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：14

In order to prevent read errors on a hard drive, which of the following maintenance tools should be set to a regular schedule?

A. System Backup

B. Windows Update

C. Check Disk

D. Disk Defragmentation

正解：C 解答を投票する

出題：15

A technician needs to create a new folder from the command line on the root of the C.drive.
Which of the following is the correct command to use?

A. RD

B. CD

C. MD

D. PUSHD

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：16

An office of 25 computers is interested in employing a file server, network shares, and print server functionality. Which of the following network setups would be BEST suited for this situation?

A. Workgroup

B. Ad-hoc

C. Token ring

D. Domain

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：17

A technician has a computer locked in a cabinet in the office that shares a printer and some files. The computer must remain on. Which of the following Control Panel options would be used to control the users that are able to shut the computer down?

A. System

B. Local security policy

C. Power options

D. Security center

正解：B 解答を投票する

JK0-802試験無料問題集「CompTIA A+ Certification Exam (JK0-802) 認定」