Chapter 2

1:Name the three network layer protocols that support the ISO CLNS.
A1: The three network layer protocols are CLNP, ES-IS, and IS-IS.
2:In comparing the layers of the TCP/IP protocols suite and the ISO CLNS architecture, describe how the Internet Protocol (IP) differs from the ISO Connectionless Network Protocol (CLNP).
A2: In TCP/IP, the Internet Protocol is the only network layer protocol. CLNP coexists with other protocols such as ES-IS and IS-IS in the ISO CLNS architecture.
3:What is the use of the Intradomain Routing Protocol Discriminator in the ISO network layer protocol packet headers?
A3: It plays the role of network layer protocol identifier and allows differentiation between the multiple ISO network layer protocols.
4:What ...

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