100 ms Root DNS Server 60 ms TLD DNS Server 40 ms 40 ms Authoritative Local DNS Server DNS Server 20 ms 40 ms 60 ms Requesting Host Target Host Given the propagation delay indicated in the figure between the entities, how long does it take to receive the DNS reply? 1. (10 Points) In case that the DNS query is cached in the local DNS server [Show all your work] 2. (10 Points) In case that the DNS query is not cached in the local DNS server, and the DNS query is iterative [Show all your work] 3. (10 Points) In case that the DNS query is not cached in the local DNS server, and the DNS query is recursive [Show all your work] 100 ms Root DNS Server 60 ms TLD DNS Server 40 ms 40 ms Authoritative Local DNS Server DNS Server 20 ms 40 ms 60 ms Requesting Host Target Host Given the propagation delay indicated in the figure between the entities, how long does it take to receive the DNS reply? 1. (10 Points) In case that the DNS query is cached in the local DNS server [Show all your work] 2. (10 Points) In case that the DNS query is not cached in the local DNS server, and the DNS query is iterative [Show all your work] 3. (10 Points) In case that the DNS query is not cached in the local DNS server, and the DNS query is recursive [Show all your work]
100 ms Root DNS Server 60 ms TLD DNS Server 40 ms 40 ms Authoritative Local DNS Server DNS Server 20 ms 40 ms 60 ms Requesting Host Target Host Given the propagation delay indicated in the figure between the entities, how long does it take to receive the DNS reply? 1. (10 Points) In case that the DNS query is cached in the local DNS server [Show all your work] 2. (10 Points) In case that the DNS query is not cached in the local DNS server, and the DNS query is iterative [Show all your work] 3. (10 Points) In case that the DNS query is not cached in the local DNS server, and the DNS query is recursive [Show all your work] 100 ms Root DNS Server 60 ms TLD DNS Server 40 ms 40 ms Authoritative Local DNS Server DNS Server 20 ms 40 ms 60 ms Requesting Host Target Host Given the propagation delay indicated in the figure between the entities, how long does it take to receive the DNS reply? 1. (10 Points) In case that the DNS query is cached in the local DNS server [Show all your work] 2. (10 Points) In case that the DNS query is not cached in the local DNS server, and the DNS query is iterative [Show all your work] 3. (10 Points) In case that the DNS query is not cached in the local DNS server, and the DNS query is recursive [Show all your work]
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
Related questions
Question
![100 ms
Root
DNS Server
60 ms
TLD
DNS Server
40 ms
40 ms
Authoritative
Local
DNS Server
DNS Server
20 ms
40 ms
60 ms
Requesting Host
Target Host
Given the propagation delay indicated in the figure between the entities, how long does
it take to receive the DNS reply?
1. (10 Points) In case that the DNS query is cached in the local DNS server
[Show all your work]
2. (10 Points) In case that the DNS query is not cached in the local DNS server,
and the DNS query is iterative [Show all your work]
3. (10 Points) In case that the DNS query is not cached in the local DNS server,
and the DNS query is recursive [Show all your work]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3cb5d9b0-583f-4d35-8f33-9cecd62c7e53%2F74323a90-87d4-45ec-bc05-de01f191af83%2F7ytn4g_processed.jpeg&w=3840&q=75)
Transcribed Image Text:100 ms
Root
DNS Server
60 ms
TLD
DNS Server
40 ms
40 ms
Authoritative
Local
DNS Server
DNS Server
20 ms
40 ms
60 ms
Requesting Host
Target Host
Given the propagation delay indicated in the figure between the entities, how long does
it take to receive the DNS reply?
1. (10 Points) In case that the DNS query is cached in the local DNS server
[Show all your work]
2. (10 Points) In case that the DNS query is not cached in the local DNS server,
and the DNS query is iterative [Show all your work]
3. (10 Points) In case that the DNS query is not cached in the local DNS server,
and the DNS query is recursive [Show all your work]
![100 ms
Root
DNS Server
60 ms
TLD
DNS Server
40 ms
40 ms
Authoritative
Local
DNS Server
DNS Server
20 ms
40 ms
60 ms
Requesting Host
Target Host
Given the propagation delay indicated in the figure between the entities, how long does
it take to receive the DNS reply?
1. (10 Points) In case that the DNS query is cached in the local DNS server
[Show all your work]
2. (10 Points) In case that the DNS query is not cached in the local DNS server,
and the DNS query is iterative [Show all your work]
3. (10 Points) In case that the DNS query is not cached in the local DNS server,
and the DNS query is recursive [Show all your work]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3cb5d9b0-583f-4d35-8f33-9cecd62c7e53%2F74323a90-87d4-45ec-bc05-de01f191af83%2Fqgwv2k_processed.jpeg&w=3840&q=75)
Transcribed Image Text:100 ms
Root
DNS Server
60 ms
TLD
DNS Server
40 ms
40 ms
Authoritative
Local
DNS Server
DNS Server
20 ms
40 ms
60 ms
Requesting Host
Target Host
Given the propagation delay indicated in the figure between the entities, how long does
it take to receive the DNS reply?
1. (10 Points) In case that the DNS query is cached in the local DNS server
[Show all your work]
2. (10 Points) In case that the DNS query is not cached in the local DNS server,
and the DNS query is iterative [Show all your work]
3. (10 Points) In case that the DNS query is not cached in the local DNS server,
and the DNS query is recursive [Show all your work]
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