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Guide to TCP/IP: IPv6 and IPv4, Fifth Edition
ISBN 978-1-305-94695-8
Chapter 2 Solutions
Answers to Review Questions
2. c
4. c
6. a, c, d
8. True
10. b, d
12. a, b, d
14. b
16. a
18. b
20. a
22. a, d
Hands-On Projects Discussion
Hands-On Projects 2-1 through 2-3
The GestióIP calculators make it much simpler to handle subnetting problems and they provide IPv6 support. The
Hands-On Project 2-4
Ralph Becker offers a straightforward and easy-to-use tutorial on IP address subnetting. Have the students step
through each topic, and then browse the Internet resources links on the References and Sources on the Internet
page. The material is older but should be considered “classic”.
Hands-On Project 2-5
Using a different online subnet calculator, students should have a relatively straightforward time in examining how
Hands-On Project 2-6
There have been a number of recent RFCs regarding IPv6 addressing. RFC 4291 provides the more basic
Hands-On Project 2-7 through 2-9
Guide to TCP/IP: IPv6 and IPv4, Fifth Edition
ISBN 978-1-305-94695-8
Hands-On Project 2-10 and 2-11
Accessing and manipulating a computer’s ARP table is another example of using an elementary networking tool to
gather information. These exercises using the Windows and and Ubuntu Linux operating systems are just a brief
introduction to familiarize students who may not have accessed the ARP utility before.
Case Projects Discussion
Case Project 2-1
The key to easily solving this problem comes from assuming that each building will have its own single subnet.
That means that the number of bits in the subnet mask needs to cover at least six addressable subnets. Thus, you
Case Project 2-2
Where expense is a concern, reducing the size of the IP address block that must be leased monthly can matter a lot.
For ABC Incorporated, this probably means using private IP addresses for all machines except the routers and
servers. (With a total of five machines, this dictates a three-bit block that includes six usable addresses at
minimum.)
Case Project 2-3
Many corporate IT administrators still manage their IP addresses using an Excel spreadsheet, so this might be a
good time to convince your customer to invest in an IP Address Management (IPAM) application. Obviously,
given their primary goal, IPv6 support is a must. You can research the available tools on the market and select one
or two that you believe will best meet their needs.
