Chapter 3

1. B. A metric is a measuring standard, such as a hop count, that is employed by routing algorithms in calculating the best path to the destination. A hop is an individual step from one router to another as the message proceeds to its destination. A protocol is a standard created by some authority, such as the IANA that describes some workings of networks and the Internet (for example, any component protocol that makes up the TCP/IP protocol suite). A proxy is any entity that performs a task on behalf of something else, such as the DHCP relay agent.

2. C. RIP v2 provides all these capabilities, including support for CIDR and variable length subnet masks for RRAS routers in Windows Server 2008. OSPF was supported in Windows Server 2003 ...

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