Assignment 2 - Net Centric Computing | CECS 327, Assignments of Computer Science

Material Type: Assignment; Professor: Park; Class: Net-centric Computing; Subject: Computer Engr & Computer Sci; University: California State University - Long Beach; Term: Spring 2009;

Typology: Assignments

Pre 2010

Uploaded on 08/19/2009

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CECS 327 NAME:________________________
Assignment 2 (10 points) – Due Tuesday, 2/17/09
This assignment is about naming on the Web.
1. Resources available for finding IP addresses, domain names, and other information on the Internet include:
A network program, nslookup, available on UNIX/LINUX systems as well as at the Command Prompt on
Windows system
Some Website on the Internet (e.g., http://www.zoneedit.com/lookup.html)
a. Use the above resource to complete the following table:
IP Address Domain Name
127.0.0.1
204.198.132.62
129.65.2.119
224.0.1.24
www.mit.edu
www.cse.cuhk.edu.hk
www.abcnews.com
www.portoflosangeles.org
b. Complete the following table:
IP Address Domain Name Class of
Address (A-E)
Net ID (in dotted
decimal notation)
Host ID (in dotted
decimal notation)
18.181.0.31
129.65.2.119
204.198.135.62
224.0.1.24
3. Using the country code top-level domains listed by the Internet Assigned Numbers Authority (iana.org) to
help, find out the domain name country code for the following nations:
Country Code Country Code Country Code Country Code
Armenia Cuba Guatemala Singapore
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CECS 327 NAME:________________________

Assignment 2 (10 points) – Due Tuesday, 2 / 17 /0 9

This assignment is about naming on the Web.

  1. Resources available for finding IP addresses, domain names, and other information on the Internet include:  A network program, nslookup , available on UNIX/LINUX systems as well as at the Command Prompt on Windows system  Some Website on the Internet (e.g., http://www.zoneedit.com/lookup.html) a. Use the above resource to complete the following table: IP Address Domain Name 127.0.0. 204.198.132. 129.65.2. 224.0.1. www.mit.edu www.cse.cuhk.edu.hk www.abcnews.com www.portoflosangeles.org b. Complete the following table: IP Address Domain Name Class of Address (A-E) Net ID (in dotted decimal notation) Host ID (in dotted decimal notation) 18.181.0. 129.65.2. 204.198.135. 224.0.1.
  2. Using the country code top-level domains listed by the Internet Assigned Numbers Authority (iana.org) to help, find out the domain name country code for the following nations: Country Code Country Code Country Code Country Code Armenia Cuba Guatemala Singapore

Brazil El Salvador India Spain Canada France Mexico Sweden China Germany Qatar Turkey

  1. Identify the nation for each of the following country codes: Code Country Code Country Code Country Code Country td zw ph eg tv nz pk bt
  2. Consider this URL: http://www.someSite.org:8081/foo/index.htm. a. What is the protocol specified? b. What is the host name of the service? c. What is the port number of the process that provides the service? d. Where is the document located?
  3. Look up the well-known port number assignments by browsing the page http://www.iana.org/assignments/port-numbers. Service Port Number FTP telnet SMTP World Wide Web HTTP 13 17