Stop-and-Wait-ARQ
August 29, 2024Switching
August 29, 2024Computer-Networks
| Question 5 |
Consider the resolution of the domain name www.gate.org.in by a DNS resolver. Assume that no resource records are cached anywhere across the DNS servers and that iterative query mechanism is used in the resolution. The number
of DNS query-response pairs involved in completely resolving the domain name Is_____________.
of DNS query-response pairs involved in completely resolving the domain name Is_____________.
| 3 |
Question 5 Explanation:
In the iterative query the DNS resolver go to the following three servers
1.root server, 2. TLD DNS server, 3. authoritative server.
So there will be three pairs of request and response here.
1.root server, 2. TLD DNS server, 3. authoritative server.
So there will be three pairs of request and response here.
Correct Answer: A
Question 5 Explanation:
In the iterative query the DNS resolver go to the following three servers
1.root server, 2. TLD DNS server, 3. authoritative server.
So there will be three pairs of request and response here.
1.root server, 2. TLD DNS server, 3. authoritative server.
So there will be three pairs of request and response here.
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