CompTIA Network+ (N10-007) — Question 541

A technician is configuring a new email server and needs to modify DNS records. Which of the following records should the technician update to ensure email functions as expected?

Answer options

• A. MX
• B. CNAME
• C. AAAA
• D. SRV

Correct answer: A

Explanation

The correct answer is A, MX records are specifically used to route emails to the correct mail servers. The other options, such as CNAME, AAAA, and SRV records, serve different purposes like aliasing, IPv6 addressing, and service location, but do not directly control email delivery.