CompTIA A+ Core 2

A user’s computer is displaying a black screen. The technician restarts the computer, but the OS still does not load. The technician discovers the OS was patched the previous evening.

Which of the following should the technician attempt NEXT?

• Reboot into safe mode and roll back the updates

• Repair the Windows Registry

• Configure boot options in the BIOS

• Disable Windows services and applications

A computer becomes infected with malware, which manages to steal all credentials stored on the PC. The malware then uses elevated credentials to infect all other PCs at the site. Management asks the IT staff to take action to prevent this from reoccurring. Which of the following would BEST accomplish this goal?

• Use a host-based intrusion detection system on each computer

• Use an antivirus product capable of performing heuristic analysis

• Disallow the password caching of accounts in the administrators group

• Install a UTM in between PC endpoints to monitor for suspicious traffic

• Log all failed login attempts to the PCs and report them to a central server

A company brings in contractors several times a year to perform inventory, and the contractors use company-supplied laptops. The company’s security policy states that once the inventory is completed, the contractors should not be able to log in to the laptops until the next inventory.

Which of the following BEST enforces this policy?

• Delete the user accounts

• Disable the user accounts

• Restrict the user accounts

• Reset the user accounts

A department in an organization set up a proxy server to manage its Internet stage. A technician is configuring the Windows workstations to use the new proxy server. Which of the following Control Panel utilities should the technician use to configure the setting?

• Internet Options -> Advanced

• Internet Options -> Connections

• Internet Options -> Security

• Internet Options -> Content

• Internet Options -> Privacy

A technician is working at a help-desk form and receives a call from a user who has experienced repeated BSODs. The technician is scheduled to take a break just after the call comes in. Which of the following is the BEST choice for the technician to make?

• Politely ask the user to call back

• Troubleshoot the issue for the user

• Ask another technician to take the call

• Input the issue as a ticket and escalate to Tier 2

• Put the user on hold and troubleshoot after the scheduled break

A user’s smartphone is making the camera shutter noise even when the user is not taking pictures. When the user opens the photo album, there are no new pictures. Which of the following steps should be taken FIRST to determine the cause of the issue?

• Reset the phone to factory settings

• Uninstall the camera application

• Update all of the applications on the phone

• Run any pending OS updates

• Check the application permissions

A SOHO technician recently moved some data from one server to another to increase storage capacity. Several users are now reporting they cannot access certain shares on the network. When the users attempt to access the shares, they get the following error: Access Denied. The technician confirms the users are all in the proper security groups and have the proper access, but they are still unable to access the shares. Which of the following are the MOST likely reasons for these issues? (Select two.)

• Administrative share permissions

• Mapped drives

• Group Policy hours restriction

• Denied write/delete permissions

• Disabled proxy settings

A small business has an open wireless network so vendors can connect to the network without logging in. The business owners are concerned that a nearby company is connecting and using the wireless connection without permission. If the small business requires that the network remain open, which of the following configuration settings should be changed to address these concerns?

• Default SSID

• MAC filtering

• Power levels

• Content filtering

• Firewall

Joe, a systems administrator, is setting up a risk management plan for the IT department. Part of the plan is to take daily backups of all servers. The server backups will be saved locally to NAS. Which of the following can Joe do to ensure the backups will work if needed?

• Frequently restore the servers from backup files and test them

• Configure the backups to restore to virtual machines for quick recovery

• Set up scripts that automatically rerun failed backup jobs

• Set up alerts to let administrators know when backups fail

• Store copies of the backups off-side in a secure datacenter

A user believes there is a virus on a laptop. The user installs additional real-time protection antivirus software but is now experiencing extremely slow performance on the laptop. Which of the following should a technician do to resolve the issue and avoid recurrence?

• Activate real-time protection on both antivirus software programs

• Uninstall one antivirus software program and install a different one

• Run OS updates

• Enable the quarantine feature on both antivirus software programs

• Remove the user-installed antivirus software