Information Technology Laboratory II (ITS 332)

Lab Manual

The entire lab manual is available for download as a single PDF. Below are links on specific topics.

Linux

Links

• Linux Commands presentation by Ratanachai (Monday Instructor)
• Unix at Wikipedia
• Linux distributions
• Ubuntu
• Redhat Linux
• UNIX Shell Programming Quick Start Guide from Informit
• List of Linux Bash Shell commands
• Bash Reference Manual

Wireshark

Links

• Wireshark - download the software for free, read the manual, use example packet captures, ...

Client/Server Applications

Links

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Networking Tools

Questions

1. What is the average response time from your computer to your friends?
2. What is the data in the Ping Request?
3. What type of ICMP message is a Ping Request?
4. What is the protocol number for ICMP?
5. Use ping to send a request every 2 seconds, each containing 100 Bytes of data.
6. Public DNS servers: ns1.google.com, 208.67.222.222
7. What transport protocol does DNS protocol use? (And what is its protocol number?)
8. What port number does a DNS server use?
9. What is the value of the transaction ID in decimal?

Links

• Web based ping tools
• Qwest Looking Glass Asia - source is from Hong Kong, Singapore, Sydney or Tokyo
• Cogent Looking Glass - source from cities in North America and Europe
• Telia Looking Glass - sources from cities in Europe
• Carnegie Mellon University Network Operations - source from US
• DNSstuff.com - DNS and many other tools

Layer 2 Networking

Links

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Layer 3 Networking

Links

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Firewalls

Links

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Client/Server Programming

Links

• Example source code: example.c | client.c | server.c | client_udp.c | server_udp.c

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