CompTIA A+ Core 2 Question D-93

Which of the following should a technician implement to prevent external contractors from physically plugging devices into the company’s network jacks unless such jacks are designated for guest use?

A. Disable DHCP and assign a static IP address to each network device physically connected to the network.
B. Enable MAC address filtering across all network jacks and record the MAC address of guest devices.
C. Disable all switch ports when they are not utilized and enable them on an as needed basis.
D. Place guest network jacks in public areas and all other jacks in secure areas as needed.

Correct Answer: C

Explanation:
The best way is to disable all switch ports when they are not utilized. Switch them on when you need them. This way, you can prevent external contractors from physically plugging devices in to company’s network jacks.

CompTIA A+ Core 2 Question D-92

A customer calls an IT consultant to explain an issue they are having with their Windows 7 Professional PC. Windows Update attempts to install patches upon each startup but fails on the same single update. The customer has attempted to re-run Windows Update from Control Panel but the issue remains. Which of the following courses of action would BEST resolve the problem?

A. Running a full DEFRAG on the system
B. Clearing the AppData temp folder entirely
C. Clearing the Windows Update download cache entirely
D. Uninstalling the Windows Update feature in Windows 7 and reinstalling it directly from the Microsoft website

CompTIA A+ Core 2 Question D-91

Which of the following areas of a file system should a standard user have restricted permissions to in order to promote a security best practice? (Select TWO).

A. Temporary Internet Files
B. My Document Files
C. Windows System Files
D. Network Files
E. Program Files

Correct Answer: CE

Explanation:
Windows program files are important for Windows operating system. If these files are deleted, Windows will corrupt. Similarly program files are related to applications and programs installed on a computer. These are highly sensitive files because they are related to the functioning of the operating system and the applications installed on it.

CompTIA A+ Core 2 Question D-90

A user is running a RAID 0 array and has problems with one of the drives. Which of the following actions will the technician take NEXT?

A. Replace the failing drive and let the RAID recover.
B. Add an additional drive to the array and let the RAID recover.
C. Replace the drive; all the data is lost and cannot be recovered.
D. Remap the RAID array to another drive letter to recover the data.

Correct Answer: C

CompTIA A+ Core 2 Question D-89

Jane, a user, has a computer running Windows XP Professional. She would like the computer to run Windows 7 Professional. She does not wish to save any information on the current system. Which of the following types of installations should the technician perform?

A. Repair
B. Multiboot
C. Clean
D. Upgrade

Correct Answer: C

CompTIA A+ Core 2 Question D-88

A user realizes they left their mobile phone in a taxi minutes after the car departs. Which of the following should be done to BEST ensure none of the private data on the phone is accessed?

A. Passcode Lock
B. GPS Tracking
C. Remote Backup
D. Remote Wipe

CompTIA A+ Core 2 Question D-87

A technician is tasked with upgrading a network card on a Windows 7 Professional PC. The technician installs the network card, loads Windows XP drivers that came with the network card, and reboots the PC. Upon rebooting, the computer blue screens and the technician cannot get the computer to boot up properly. Which of the following should the technician perform to resolve this issue without any data loss? (Select TWO).

A. Remove network drivers
B. Install Windows XP Service Pack 3
C. Reinstall Windows 7 Professional
D. Install Windows 7 Service Pack 1
E. Boot up in safe mode

Correct Answer: AE

Explanation:
The best way to solve this issue is to remove network drivers and restart the computer. Boot up in safe mode and reinstall the drivers.

CompTIA A+ Core 2 Question D-85

A user reports that the desktop PC shuts down 10 minutes after turning it on in the morning. When the technician moves the PC, it sounds like there are loose parts sliding around in the case. Which of the following is the MOST likely explanation for the PC shutting down?

A. The CMOS battery is bad.
B. A memory module has become unseated.
C. The heat sink retaining clip has broken loose.
D. The hard drive cable has become unseated.

CompTIA A+ Core 2 Question D-84

It is a company’s policy to shut down all workstations at the end of the day. However, the majority of employees are leaving disks in their workstations and upon start up the next morning they are receiving a `NTLDR is missing’ error. Which of the following is a possible solution?

A. Make a daily announcement to remove all disks before departing for the day.
B. Change the Boot order in the BIOS.
C. Make it a part of the evening checks to ensure all disks are removed.
D. Make a company policy that states that it is unlawful to leave disks in the machines.

Correct Answer: B