CompTIA A+ Core 2 Question C-72

A user installed a new SOHO router and new wireless NICs to increase their transmission speed from 802.11b to 802.11g with the manufacturer’s default settings. The user lives in an apartment building and is still experiencing slowness to the Internet after the installations. Which of the following is the MOST secure option that a technician could implement to resolve this issue?

A. Hide the SSID
B. Assign static IP addresses
C. Enable MAC filtering
D. Disable the WAN port

CompTIA A+ Core 2 Question C-71

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 computers 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. Onboard video is present
B. The onboard speaker is defective
C. The monitor is defective
D. The RAM should be reseated

Correct Answer: A

CompTIA A+ Core 2 Question C-70

While using an application on a Windows XP desktop PC, a BSOD appears. Which of the following should the technician select upon reboot to troubleshoot this issue?

A. Boot to safe mode
B. Boot to last known good configuration
C. Boot to another OS on a second partition
D. Boot normally

Correct Answer: A

CompTIA A+ Core 2 Question C-67

A user states that they see flickering on their external display. The technician asks if anything has changed since they noticed the problem. Next the technician replaces the external display with a new one which corrected the issue. According to the troubleshooting theory, which of the following would the technician do NEXT?

A. Record the resolution to the problem for future references.
B. Determine what needs to be replaced to resolve the issue.
C. Recreate the recent changes to the PC.
D. Identify what exactly the user is having a problem with.

Correct Answer: A

CompTIA A+ Core 2 Question C-66

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. USB 2.0 is plugged into USB 1.1 port
C. RAM not seated properly
D. Optical media was left in the drive

Correct Answer: C

Explanation:
http://antony492.com/unseated-ram/