Certified Ethical Hacker (CEH) — Question 84

One of your team members has asked you to analyze the following SOA record.
What is the TTL? Rutgers.edu.SOA NS1.Rutgers.edu ipad.college.edu (200302028 3600 3600 604800 2400.)

Answer options

• A. 200303028
• B. 3600
• C. 604800
• D. 2400
• E. 60
• F. 4800

Correct answer: D

Explanation

The TTL in an SOA record defines how long the record should be cached. In this case, the TTL is represented by the last value, which is 2400 seconds. The other options represent different values in the record, but only 2400 is the correct TTL.