CompTIA A+ Core 2 (220-1102) — Question 74

A field technician applied a Group Policy setting to all the workstations in the network. This setting forced the workstations to use a specific SNTP server. Users are unable to log in now. Which of the following is the MOST likely cause of this issue?

Answer options

• A. The SNTP server is offline.
• B. A user changed the time zone on a local machine.
• C. The Group Policy setting has disrupted domain authentication on the system.
• D. The workstations and the authentication server have a system clock difference.

Correct answer: D

Explanation

The correct answer is D because if there is a significant time difference between the workstations and the authentication server, it can prevent users from logging in due to Kerberos ticket expiration. Option A is incorrect because if the SNTP server were offline, it wouldn't necessarily impact the login process unless the time was drastically incorrect. Options B and C do not directly relate to the authentication failure caused by time synchronization issues.