CompTIA Network+ (N10-008) — Question 653

An IT administrator is creating an alias to the primary customer's domain. Which of the following DNS record types does this represent?

Answer options

• A. CNAME
• B. MX
• C. A
• D. PTR

Correct answer: A

Explanation

The correct answer is A, CNAME, which is used to create an alias for a domain name. The other options are incorrect because MX records are for mail exchange servers, A records point to an IP address, and PTR records are used for reverse DNS lookups.