Chapter Review Questions


You can find the answers to the following questions in Appendix A, "Answers to Chapter Review Questions."

1:

What is the one alternative for name resolution that doesn't use DNS?

2:

What does DNS stand for?

3:

Imagine that Lenny uses a PC inside the fredsco.com domain. Lenny opens a browser and tries to browse http://www.fredsco.com. His PC is configured to use DNS. How many DNS requests will Lenny's PC likely send before he gets a response to a request for host name www.fredsco.com?

4:

Imagine that Lenny uses a PC inside the fredsco.com domain. Lenny opens a browser and tries to browse http://www.example.com. His PC is configured to use DNS. How many DNS requests will Lenny's PC likely send before he gets a response to a request for host name www.example.com?

5:

Imagine that Lenny uses a PC inside the fredsco.com domain. Lenny opens a browser and tries to browse http://www.example.com. Imagine that his PC gets a DNS response that www.example.com's IP address is 192.0.33.166. When Lenny's PC sends a packet to that web server, does the PC include the destination IP address of 192.0.33.166 in the IP packet header, or the destination name of www.example.com in the IP packet header, or both?

6:

State whether you agree with the following statement and why: "Each TCP/IP host refers to its DNS server using a well-known IP address 0.4.1.1."

7:

Given a name like www.example.com, identify the likely domain name, and using that example, define the term "domain name."

8:

When a client inside one company tries to browse a web server in another company, using a name, describe in general terms how the authoritative name server for the web server name is found.

9:

State whether you agree with the following statement and why: "When a user who is configured to use DNS opens a web browser and types in http://www.example.com, the next IP packet that he sends is to the web server."




Computer Networking first-step
Computer Networking First-Step
ISBN: 1587201011
EAN: 2147483647
Year: 2004
Pages: 173
Authors: Wendell Odom

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