CS360 Networking Take-Home Final
Name: ____________________
1) Find the descriptions and port numbers used for the following program:
Program/
Service
telnet
SSH
Description
(what is ths program/service)
Virtual terminal / connection protocol, used to log into a
computer over a clear text connection.
Secure Shell. Used to log into a computer over an encrypted
connection.
Port(s)
SMTP
http
80
shttp
Smtp
snmp
pop3
ftp
DNS
IMAP
LDAP
Finger
NNTP
Netbios
Quake
Halo PC
A pc game.
Battlefield
1942
Microsoft
IM
Kazaa
A pc game.
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CS360 Networking Take-Home Final
Name: ____________________
2) What server software do the following web servers report that they are running? (I want the
information that is sent from the server in the http header back to the client.)
Server
www.utm.edu
Server version string
HTTP
Version
HTTP/1.1
www.cnn.com
www.apple.com
www.amazon.com
What cookie value
does amazon set?
www.google.com
What cookie value
does google set?
www.yahoo.com
www.ebay.com
www.microsoft.com
sholt.utm.edu
Blackboard.utm.edu
Banweb.utm.edu
www.abcnews.com
www.redhat.com
www.sun.com
Java.sun.com
utmcam1.utm.edu
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CS360 Networking Take-Home Final
Name: ____________________
3) From a command prompt (either Windows XP or a unix) telnet to the mars pop server, log in
and view one of your messages. Use the following commands and write in the server
responses for each command:
You (from
telnet mars.utm.edu 110
the command
prompt)
Server:
You:
Server:
user Your_Mars_Username
You:
Server:
pass Your_Mars_Password
You:
Server:
stat
You:
Server:
list 1
You:
Server:
retr 1
You:
Server:
quit
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CS360 Networking Take-Home Final
Name: ____________________
4) From a command prompt (either Windows XP or a unix) telnet to the mars SMTP server and
send the following email message manually. Use the following commands and write in the
server responses for each command:
You type:
Server:
telnet mars.utm.edu 25
You type:
Server:
helo fish
You type:
Server:
mail from: santa@northpole.org
You type:
Server:
rcpt to: Your_Mars_Email_Address
You type:
Server:
rcpt to: bobb@mars.utm.edu
You type:
Server:
data
You type:
Subject: xmas from YOUR_REAL_NAME
Hello YOUR_REAL_NAME
Have you been a good boy?
Santa
.
Server:
You type:
Server:
Quit
5) Did you get a message in your mars email after sending the above message?
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CS360 Networking Take-Home Final
Name: ____________________
6) How much a year does it cost to get your own domain name and web site? (List the price
and the URL to where you got the price/quote from.)
7) What does a robots.txt file on a web server do?
8) What is SNMP used for?
9) What does MIME stand for and what are three things that MIME is used for?
10) What happens if someone hooks up a computer running another un-configured DHCP server
to your network and why?
11) How many root DNS servers are there and where are they located geographically?
12) What does an IP6 IP address look like and how many bytes is it?
13) What is ARP used for?
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CS360 Networking Take-Home Final
Name: ____________________
accept, bind (port) , connect( port ), listen, send ( data ), recv ( data ),
socket, close, messagebox (data )
14) Using just the above commands, draw two diagrams or use pseudo code to summarize the
chat server and the chat client programs:
15) Which of the above socket commands blocks (puts the thread to sleep)? And what do they
wait for?
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