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

出題：1

A technician is working on a Windows 7 computer that will not boot correctly; it is stuck in a constant loop. Which of the following should the technician perform FIRST to try and resolve this issue?

A. A recovery from a shadow copy

B. Factory restore

C. Repair installation

D. System restore

正解：C 解答を投票する

出題：2

A technician receives a trouble ticket about intermittent wireless on a user's laptop while they are at home but not at work. Which of the following could be the cause of this issue?

A. Encryption is set differently at home then at work

B. Laptop's wireless is set to only work while at work

C. Cordless phone is interfering with signal at home

D. While at home, the user is too close to their access point

正解：C 解答を投票する

出題：3

A user would like to purchase a computer with 8GB of memory installed and recognized by
the operating system. Which of the following operating systems could be installed on the computer to meet their requirements? (Select TWO).

A. Windows Vista Enterprise 32-bit

B. Windows 7 Professional 64-bit

C. Windows 7 Home Premium 32-bit

D. Windows Vista Business 64-bit

E. Windows XP Professional 32-bit

正解：B,D 解答を投票する

出題：4

A network consultant needs to redo a CAT5e wall jack that has become unusable due to recent physical damage. In order to install the replacement jack, which of the following tools would need to be used to both install and validate the hardware? (Select TWO).

A. Loopback plug

B. Punch down tool

C. Voltage meter

D. Cable crimper

E. Cable tester

正解：B,E 解答を投票する

出題：5

A client is running Windows 7 Ultimate and has a requirement to run a program that only runs under Windows XP. Which of the following could the client utilize?

A. TPM

B. Windows XP Mode

C. Compatibility views

D. Windows Hypervisor

正解：B 解答を投票する

出題：6

A client has asked a technician about drive sanitation and wants to know what the difference is between overwriting a drive and formatting a drive. Which of the following would be the BEST response from the technician?

A. "Nothing is different. They both destroy the data so no one can recover it."

B. "Overwriting replaces all the data with a single file that fills the hard drive destroying the data, while formatting erases all the data."

C. "Overwriting writes 1s and 0s to the drive replacing only the user's data but not the OS data, while formatting destroys the hard drive."

D. "Overwriting writes 1s and 0s to a hard drive replacing the data, while formatting only clears the reference to the data and only overwrites as space is used."

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：7

Ann, a user who works with many patients during the day, has a privacy screen attached to her monitor.
Which of the following does this help prevent?

A. Trojans

B. Rootkits

C. Shoulder surfing

D. Whaling

E. Phishing

正解：C 解答を投票する

出題：8

A technician has replaced the CMOS battery on the motherboard. Which of the following is the reason why the technician did this?

A. BIOS password was set incorrectly

B. Clock settings are not being maintained

C. System would not shut down properly

D. Video card was under powered

正解：B 解答を投票する

出題：9

After replacing a motherboard on a customer's laptop for a no POST issue, the technician realizes that there is no wireless connectivity on the laptop. Which of the following should the technician do FIRST?

A. Disassemble the laptop and check if Wi-Fi antennas connected properly to wireless card.

B. The new motherboard is defective and not recognizing wireless; it needs to be replaced.

C. Check to see if there is a wireless switch on the laptop and its current position.

D. Reinstall Wi-Fi card drivers.

正解：C 解答を投票する

出題：10

A technician wants to verify a remote printer that has been power cycled is back online. The technician would use which of the following commands and switch?

A. ping -t

B. tracert -t

C. ipconfig /renew

D. nslookup -ttl

正解：A 解答を投票する

出題：11

A technician replaced a video card on a desktop PC. The technician powers on the PC to install the device drivers. The PC boots up and goes through the POST, but the screen goes black when trying to boot the operating system. Which of the following steps should the technician perform NEXT to troubleshoot this issue?

A. Boot the PC in safe mode

B. Flash the BIOS

C. Replace the video card with a new one

D. Reseat the video card

正解：A 解答を投票する

出題：12

A technician has installed the hardware for a SOHO wired network. Which of the following is the FIRST step to securing the network?

A. Enable MAC filtering

B. Disable unused ports

C. Change default usernames and passwords

D. Assign static IP addresses

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's CRT display is not displaying colors correctly. Turning the display to the right or
left sometimes temporarily corrects the problem. Which of the following should the technician check?

A. The CRT power cable

B. The video cable

C. The CRT On Screen Display (OSD)

D. The video card display driver

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：14

A user, Ann, receives a call from Joe who states that he is brand new in the help desk. Joe states that he needs to update Ann's email client to prevent corruption. At Joe's request, Ann discloses her user name and password. She later discovers that Joe is not a member of the help desk. Which of the following has occurred?

A. Spear phishing

B. Hijacking

C. Social engineering

D. Phishing

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)

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