| 1 | What are the five layers of the TCP/IP protocol suite? What is the purpose of each layer? |
| 2 | What is the most common IP version presently in use? |
| 3 | What is fragmentation? What fields of the IP header are used for fragmentation? |
| 4 | What is the purpose of the TTL field in the IP header? How does the TTL process work? |
| 5 | What is the first octet rule? |
| 6 | How are Class A, B, and C IP addresses recognized in dotted decimal? How are they recognized in binary? |
| 7 | What is an address mask, and how does it work? |
| 8 | What is a subnet? Why are subnets used in IP environments? |
| 9 | Why can't a subnet of all zeros or all ones be used in a classful routing environment? |
| 10 | What is ARP? |
| 11 | What is proxy ARP? |
| 12 | What is a redirect? |
| 13 | What is the essential difference between TCP and UDP? |
| 14 | What mechanisms does TCP use to provide connection-oriented service? |
| 15 | Instead of ARP, Novell NetWare uses a network address that includes a device's MAC address as the host portion. Why can't IP do this? |
| 16 | What purpose does UDP serve by providing a connectionless service on top of what is already a connectionless service? |