CompTIA Security Exam Practice Questions Sample SY0 501 Q82

A company wants to host a publicity available server that performs the following functions:
– Evaluates MX record lookup
– Can perform authenticated requests for A and AAA records
– Uses RRSIG
Which of the following should the company use to fulfill the above requirements?

A. LDAPS
B. DNSSEC
C. SFTP
D. nslookup
E. dig

Correct Answer: A