Functions of OSI and TCP/IP Layers Q.32
- A
Query a NS for the root domain and then NS for the “dom” domains
- B
Directly query a NS for “dom” and then a NS for “mydomain.dom” domains
- C
Query a NS for in-addr.arpa and then a NS for 128.145.in-addr.arpa domains
- D
Directly query a NS for 145.in-addr.arpa and then a NS for 128.145.in-addr.arpa domains
- Option : C
- Explanation : We need to get NS for in-addr.arpa before doing query to 8.16.128.145.in-addr.arpa
