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Routing TCP/IP, Volume I (CCIE Professional Development) by Jeff Doyle

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Review Questions

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 ...

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