312-50V13 Question #196: Real Exam Question with Answer & Explanation

Question

Log monitoring tools performing behavioral analysis have alerted several suspicious logins on a Linux server occurring during non-business hours. After further examination of all login activities, it is noticed that none of the logins have occurred during typical work hours. A Linux administrator who is investigating this problem realizes the system time on the Linux server is wrong by more than twelve hours. What protocol used on Linux servers to synchronize the time has stopped working?

Options

• ATime Keeper
• BNTP
• CPPP
• DOSPP

Explanation

The question describes a Linux server with an incorrect system time, indicating a failure in the time synchronization protocol.

Common mistakes.

• A. 'Time Keeper' is not a recognized standard network protocol for time synchronization on Linux servers.
• C. PPP (Point-to-Point Protocol) is a data link layer protocol used for establishing direct connections between two network nodes, typically for dial-up or dedicated lines, and is not involved in time synchronization.
• D. OSPP is not a recognized network protocol; OSPF (Open Shortest Path First) is a routing protocol used to find the best paths for data packet delivery, unrelated to time synchronization.

Concept tested. Network Time Protocol (NTP)

Reference. https://learn.microsoft.com/en-us/windows-server/networking/windows-time-service/windows-time-service-tools-and-settings#ntp-client

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