CompTIA Network+ (N10-008) — Question 812

Which of the following records can be used to track the number of changes on a DNS zone?

Answer options

• A. SOA
• B. SRV
• C. TXT
• D. NS

Correct answer: A

Explanation

The SOA (Start of Authority) record contains information about the DNS zone, including the serial number that is incremented with each change, making it essential for tracking modifications. The other record types—SRV, TXT, and NS—serve different purposes and do not provide a mechanism for monitoring change history in the same way.