Chapter 1 - IP Addresses
Cisco & IP Addressing
Louis D. Rossi, Louis R. Rossi and Thomas Rossi
Copyright © 1999 The McGraw-Hill Companies, Inc.
Exercises
1.1:
Complete the chart below:
Octet Value
128
64
32
16
8
4
2
1
202
1
1
0
0
1
0
1
0
1
0
0
0
1
1
0
1
1
0
1
0
1
0
1
0
1
1
1
1
0
0
0
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
0
1.2:
How many bits in an octet?
1.3:
How many bits in an IP address?
1.4:
How many octets in an IP address?
1.5:
What is the highest value an octet can have?
1.6:
What octet is used to determine the class of an address?
1.7:
How many bits are used to determine a Class B address?
1.8:
Assume the default mask and complete the chart below:
Address
Default Mask
Class
Wire Address
Host Address
123.34.56.7
255.0.0.0
A
123.0.0.0
0.34.56.7
12.43.98.3
191.76.5.34
212.45.6.5
192.34.5.67
1.9:
With a Class C address and the default mask how many bits can be changed?
1.10:
With a Class B address and the default mask how many bits can be changed?
1.11:
With a Class A address and the default mask how many bits can be changed?
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