Comptia A+ 1002 2023 Questions and answer - Part 80

1. A help desk technician receives a call from a user stating a program was installed and now random pop-ups are appearing on the computer. The technician notices a lot of suspicious network traffic generated by the user-s computer. The technician quarantines the computer and disables System Restore. Which of the following is the NEXT step technician should take?

A) A. Update the anti-malware software
B) B. Perform a malware scan in safe mode
C) C. Set up scheduled scans and updates
D) D. Educate the end user on best practices



2. Users are reporting web browsers are not working. A technician confirms that the end users can navigate to websites using the site-s IP address. Which of the following is MOST likely causing this issue?

A) A. Proxy server
B) B. DHCP server
C) C. DNS server
D) D. SMTP server



3. A user reports personal files have been renamed and are undecipherable. Images have been to the user-s folder that request payment to unlock the files. The technician has quarantined the infected system and disabled System Restore. Which of the following should the technician do to unlock the user-s files?

A) A. Perform a clean installation of Windows
B) B. Remove the malware and recover the files from a backup
C) C. Initialize and repartition the hard drive to recover the files
D) D. Run safe mode to decrypt the user-s files



4. To implement additional security on a small office wireless network, the administrator disables the DHCP server on the wireless router. To ensure traffic from specific network interfaces is able to traverse the router, which of the following should be used to limit traffic?

A) A. DHCP reservations
B) B. SSID broadcast deactivation
C) C. MAC filtering
D) D. Two-factor authentication



5. A user reports the screen on a mobile device frequently dims even when the device settings are not being changed. Which of the following is MOST likely the cause?

A) A. Faulty back light
B) B. High contrast mode
C) C. Auto-brightness
D) D. Power saving mode