Unit 8 Labs

Topics: IP address / Pages: 6 (1237 words) / Published: Sep 20th, 2014
Unit 8 Labs

Lab 8.1
Lab 8.2
Lab 8.3
Lab 8.4

Lab 8.1 IP Addressing and Classes
8.1.1 If the IP address in figure 8-1 belongs to a Class A network, what is the Network ID and what is the host ID? What are the binary values of the host ID and the network ID? Network ID = 10, Host ID=10.10.1 Binary Network ID=1010, Binary Host ID=101010101
8.1.2 Complete Table 8-1.
Class
Range of First Byte in Decimal
Network ID
Host ID
Possible Networks
Possible Hosts per Network
A
0-127
A
b.c.d
27
224
B
128-191
a.b
c.d
214
216
C
192-223
a.b.c
d
221
28

8.1.3 Would the IP address in Figure 8-1 be valid as a class C address? Why or why not? No, it would not be a valid Class C address because the first octet is 10. In order to be a class C address, it would have to be in the range of 192-223.
8.1.4 According to the subnet mask, what is the network ID of the IP address shown? What is the host ID? What is the binary network ID? What is the binary host ID? Does the IP address conform to the rules of classful networking? Why or why not? Network ID=190.8 Host ID=8.4 Binary network ID=101111101000 Binary Host ID=1000100 Yes, the IP address conforms to the classful networking. Since the first octet is 190, this means it is a Class B IP address. A class B address uses the first 2 octets as the network ID and the last 2 octets as a host ID, which is exactly what this subnet shows.
8.1.5 What is the slash notation equivalent of subnet mask 255.255.255.0? What is the slash (or CIDR) notation equivalent of subnet mask 255.128.0.0? 255.255.255.0 = /24 255.128.0.0 = /9

8.1.6 Complete the table.
Block Size
Starting IP Address
Ending IP Address
Subnet Mask
24-bit block
10.0.0.0
10.255.255.255
255.0.0.0
20-bit block
172.16.0.0
172.31.255.255
255.0.0.0
16-bit block
192.168.0.0
192.168.255.255
255.255.0.0

Lab 8.1 Review
1. Use the ipconfig command on your windows machine to identify

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