CompTIA CompTIA Certifications 220-902 Questions & Answers

• Question 851:

  A technician is dispatched to a business where it is discovered that two physical hard drives in a RAID 5 configuration have failed. Which of the following is the BEST solution?

  A. Replace the whole array; the other drives will soon fail.

  B. Replace the two failed drives and restore from the latest backup.

  C. Replace only one drive and restore from the latest backup.

  D. Replace one drive at a time and allow the RAID to rebuild.

  Correct Answer: B

• Question 852:

  The customer reports their PC freezes up every day around the same time. Which of the following utilities would be BEST to check for any error codes?

  A. Windows Updates

  B. Task Scheduler

  C. Event Viewer

  D. Performance Monitor

  Correct Answer: C

  Reference: http://support.microsoft.com/kb/308427

• Question 853:

  A technician is taking apart a laptop in order to replace an internal part. During this process, which of the following represents a best practice?

  A. Only perform the work on a plastic counter top

  B. Never use a power tool to remove screws from the case

  C. Label the screws according to where they came from

  D. When working on the bottom of a laptop, always leave the screen open

  Correct Answer: C

  Reference: http://www.fonerbooks.com/laptop13.htm

• Question 854:

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

  A. Reinstall the driver of the WiFi card.

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

  C. Replace the wireless card because it is not fully compatible with the new motherboard.

  D. Check if the WiFi antenna is connected properly to the wireless card.

  Correct Answer: D

  Reference: https://communities.intel.com/thread/38676

• Question 855:

  A technician is working on a PC that utilizes a RAID array for operation. The user of the system has reported that random files are becoming corrupted on creation with no pattern to the activity. One drive in the array is likely failing and causing the read/write failures. Which of the following types of RAID is MOST likely in use?

  A. RAID 0

  B. RAID 1

  C. RAID 5

  D. RAID 10

  Correct Answer: A

  Reference: http://www.thegeekstuff.com/2010/08/raid-levels-tutorial/

• Question 856:

  When setting up a Microsoft Exchange mail account to synchronize with an iPhone, which of the following items can be configured to synchronize besides the mail? (Select TWO).

  A. Shared calendars

  B. Archives

  C. Global address list

  D. Calendar

  E. Address book

  Correct Answer: DE

  Reference: http://www.wikihow.com/Sync-Your-iPhone-with-Microsoft-Exchange

• Question 857:

  A customer reports that their wireless laptop cannot connect after removing it from its carrying case. The laptop boots and the user is able to log in. Which of the following should be checked FIRST?

  A. External antenna switch

  B. Status in Device Manager

  C. Available hard drive space

  D. Laptop battery levels

  Correct Answer: A

  Reference: http://www.tomshardware.co.uk/forum/30338-35-external-wifi-antenna-laptop

• Question 858:

  An administrator has taken steps to secure a SOHO wired network, but as a result the users report that they can no longer access the Internet but can still see other computers on the network. Which of the following would have caused this issue?

  A. Port 80 has been disabled

  B. Port 3389 has been enabled

  C. MAC filtering has been enabled

  D. LDAP has been disabled

  Correct Answer: A

  Reference: http://en.wikipedia.org/wiki/TCP_port

• Question 859:

  A technician is attempting to upgrade a customer's PC from Windows XP Professional to Windows 7 Professional x64. The system contains a late generation Pentium 4 Processor with hyper-threading. The technician is having difficulty installing the operating system as it consistently errors out during setup. Which of the following is MOST likely happening?

  A. Pentium 4 HT processors are 64-bit compatible but do not support the x64 instruction set.

  B. The BIOS needs to be configured to enable x64 support.

  C. Windows XP can only be directly upgraded to Windows 7 Home Basic and Home Premium editions.

  D. Pentium 4 HT processors are not 64-bit compatible.

  Correct Answer: D

• Question 860:

  A technician has upgraded an internal Wi-Fi card on a laptop and now the signal power to connect to a WAP is low. Which of the following is the MOST likely cause of the issue?

  A. WIFI card drivers are not installed.

  B. The laptop's memory is faulty.

  C. The laptop's battery is dead.

  D. One of the antenna wires is unplugged.

  Correct Answer: D

  Check to see if the WIFI antenna wire is plugged. If it is not plugged, the signal power will be low.