[Free] New Updated (October) CompTIA 220-802 Real Exam 421-430

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QUESTION 421

A technician is repairing a workstation that exhibits random reboots at odd times of the day. Which of the following should be performed FIRST when troubleshooting the issue? (Select TWO).

 

A.

Check the PSU integrity

B.

Check the CMOS battery

C.

Check the video card integrity

D.

Check the memory integrity

E.

Check the optical drive integrity

 

Correct Answer: AD

Explanation:

http://www.tomshardware.com/forum/352927-31-computer-rebooting-frequently

 

 

 

 

 

 

QUESTION 422

A technician is troubleshooting a PC that is not completing POST and merely provides an audible beep code. Which of the following should be the FIRST item checked?

 

A.

The type of IDE cable used for the hard drive

B.

The CMOS battery charge

C.

The amount of available power to the hard drive

D.

The memory configuration

 

Correct Answer: D

Explanation:

http://arstechnica.com/civis/viewtopic.php?p=24576099

 

 

QUESTION 423

A user has an external hard drive which they forget to unplug before booting their machine. Each time this happens, an error shows on the screen which states “Boot sector missing ?reboot to try again.” Which of the following would be the BEST way to resolve this?

 

A.

Change BIOS options to remove floppy drive from the boot order

B.

Change BIOS options to remove USB device from the boot order

C.

Change BIOS options to remove CD
drive from the boot order

D.

Set the SATA setting in BIOS to AHCI from IDE

 

Correct Answer: B

Explanation:

http://pcsupport.about.com/od/fixtheproblem/ss/bootorderchange_3.htm

 

 

QUESTION 424

A user states that their old notebook loses connectivity to the Internet several times a day at work and at home. The issue started after the wireless card was replaced. Which of the following items is MOST likely causing the issue?

 

A.

The motherboard drivers are not current.

B.

The drivers for the NIC need to be updated.

C.

The wireless on/off switch is not in the on position.

D.

The keyboard is faulty and turns the wireless NIC on and off.

 

Correct Answer: B

Explanation:

Update the drivers for the network interface card. Sometimes updating drivers solve major problems.

 

 

QUESTION 425

When walking past a server with a RAID 5 array, a technician hears a loud clicking noise. Which of the following could MOST likely occur?

 

A.

BSOD

B.

OS not found on boot

C.

Hard drive failure

D.

RAID array failure

Correct Answer: C

Explanation:

http://datarecoveryhospital.com/qa-26/

 

 

QUESTION 426

A wireless network is experiencing intermittent connectivity. Which of the following would BEST resolve this issue?

 

A.

Enable MAC filtering

B.

Change broadcast channel

C.

Enable wireless encryption

D.

Disable SSID broadcasting

 

Correct Answer: B

Explanation:

http://lifehacker.com/5580636/change-your-wi+fi-routers-broadcast-channel-for-a-stronger-connection

 

 

QUESTION 427

A contractor needs to destroy several drives containing confidential information so that they can never be used again. Which of the following destruction methods would BEST accomplish this task?

 

A.

Overwrite the hard drives.

B.

Drill into the hard drives.

C.

Degauss the hard drives.

D.

Sanitize the hard drives.

 

Correct Answer: B

Explanation:

https://groups.google.com/forum/#!topic/refurbishers/lwOPyBdrKi4

 

 

QUESTION 428

A customer purchases a new 802.11n router for their home. They connect it to their current 801.11g devices, as well as their new laptop. Even though the laptop has a built-in 802.11n antenna, they are not noticing any speed increase. Which of the following is the MOST likely cause?

 

A.

The laptop is not close enough to the router.

B.

The router should be set to “G-Only”.

C.

The router is broadcasting in Mixed Mode.

D.

The laptop needs a dedicated access point.

 

Correct Answer: C

Explanation:

http://www.mahalo.com/answers/what-does-mixed-mode-on-a-wireless-router-mean-1

 

 

 

 

 

QUESTION 429

A customer states their laptop screen is very dim. In order to avoid going to the client site, which of the following is the FIRST action the customer should perform?

 

A.

Increase the resolution

B.

Use function keys

C.

Reboot the laptop

D.

Go to the Power Options in Control Panel

 

Correct Answer: B

Explanation:

http://www.tomshardware.com/forum/70976-35-laptop-screen-visible

 

 

QUESTION 430

A customer says they cannot access the network printer. The technician cannot PING the printer from their location. Which of the following should be the NEXT step in troubleshooting this issue?

 

A.

Check the toner cartridge

B.

Reboot client PC

C.

Check the link lights on printer NIC

D.

Reboot the printer

 

Correct Answer: C

Explanation:

http://welcome.solutions.brother.com/BSC/public/eu/gb/en/faq/faq/000000/000100/000005/faq000105_000.html?reg=eu&prod=hl5170dn_all&c=gb&lang=en

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