Some Interview Questions on DNS…..

Interview Questions Faced by SYED PARVEZ ZAFAR, RHCE
November 25, 2014
Description of w command output
January 4, 2015

Some Interview Questions on DNS…..

1. What are the important configuration files for DNS server ?
2. What is BIND ?
3. What is the role of DNS ?
4. On which port DNS server works ?
5. What is Round Robin DNS?
6. What is Root name server?
7.  Explain “TTL”.
8. Give some examples of DNS Records.
9. What are “HINFO and TXT Records”?
10. What is Dynamic DNS?
11. What is Split DNS?
12. What is the difference between Recursive Query & Iterative Query?
13. When does DNS works on TCP protocol?
14. What is the importance of MX Record?