CompTIA Network+ (N10-007) — Question 258

Which of the following ports should a network technician open on a firewall to back up the configuration and operating system files of a router to a remote server using the FASTEST method possible?

Answer options

• A. UDP port 22
• B. TCP port 22
• C. TCP port 25
• D. UDP port 53
• E. UDP port 69

Correct answer: E

Explanation

The correct answer is E, UDP port 69, which is used for Trivial File Transfer Protocol (TFTP), a method known for its speed in transferring files. The other options either use TCP, which is not as fast for this purpose, or refer to ports used for different protocols that do not relate to file backup.