Exercises

Exercises

3.1

Must the loopback address be 127.0.0.1?

3.2

Identify the routers in Figure 3.6 with more than two network interfaces.

3.3

What's the difference in the subnet mask for a class A address with 16 bits for the subnet ID and a class B address with 8 bits for the subnet ID?

3.4

Read RFC 1219 [Tsuchiya 1991] for a recommended technique for assigning subnet IDs and host IDs.

3.5

Is the subnet mask 255.255.0.255 valid for a class A address?

3.6

Why do you think the MTU of the loopback interface printed in Section 3.9 is set to 1536?

3.7

The TCP/IP protocol suite is built on a datagram network technology, the IP layer. Other protocol suites are built on a connection-oriented network technology. Read [Clark 1988] to discover the three advantages the datagram network layer provides.



TCP.IP Illustrated, Volume 1. The Protocols
TCP/IP Illustrated, Vol. 1: The Protocols (Addison-Wesley Professional Computing Series)
ISBN: 0201633469
EAN: 2147483647
Year: 1993
Pages: 378

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