Chapter 4 - Class B Addresses
Cisco & IP Addressing
Louis D. Rossi, Louis R. Rossi and Thomas Rossi
Copyright © 1999 The McGraw-Hill Companies, Inc.
Exercises
Note
Assume a Class B address for all exercises.
4.1:
How many networks could be addressed per wire with a 4-bit mask?
4.2:
How many networks could be addressed per wire with a 5-bit mask?
4.3:
How many networks could be addressed per wire with a 6-bit mask?
4.4:
How many networks could be addressed per wire with a 7-bit mask?
4.5:
How many networks could be addressed per wire with a 8-bit mask?
4.6:
How many networks could be addressed per wire with a 9-bit mask?
4.7:
How many hosts could be addressed with a 10-bit mask?
4.8:
Why can a 7- or 8-bit mask be used with a Class B address?
4.9:
Would a 1-bit mask be logical?
4.10:
Given a Class B address what is the mask value for:
a)
2-bit mask 255.255.192.0
b)
3-bit mask
c)
4-bit mask
d)
5-bit mask
e)
6-bit mask
f)
7-bit mask
g)
8-bit mask
h)
9-bit mask
i)
10-bit mask
j)
11-bit mask
k)
12-bit mask
4.11:
Complete the chart below:
Host Address
Class
Mask
Wire Address
Broadcast Address
132.24.64.78
255.255.255.248
167.10.56.34
255.255.224.0
143.34.23.200
255.255.255.128
130.10.69.134
255.255.248.0
191.12.29.3
255.255.252.0
4.12:
Using the combination form 2
2
–2 complete the chart below:
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