Domain Name System (DNS) Interview Question and Answer

Domain Name System (DNS) Interview Question and Answer

Q1: What is DNS?

Q2: How many types of DNS?

Q3: How many types of zone in DNS?

Q4: What is stub zone?

Q5: What is Secondary zone and how is it differ from primary zone?






Q6: How many lookup zone in DNS?

Q7: What is forward lookup zone?

Q8: What is Reverse lookup zone?

Q9: How many records are create on DNS server?

Q10: What is A record?

Q11: What is difference between A record and AAA record?

Q12: What is PTR record?

Q13: What is SOA?

Q14: What is SRV record in DNS server?

Q15: What is CName/ alias record?

Q16: What is MX record?

Q17: What is Round Robin DNS?

Q18: What is ipsec DNS?

Q19: What is the Name server and how to identify it?

Q20: What is SOA and txt record and why do we create it?

Q21:Which port is used to DNS server?

Q22: How many kind we can install DNS?