Chapter 1 Network Fundamentals GURE 1.26 IP address problem 1 Marketing Sales Se
ID: 3910794 • Letter: C
Question
Chapter 1 Network Fundamentals GURE 1.26 IP address problem 1 Marketing Sales ServerB ServerA 192.168.1.33 Default gateway: 192.168.1.62 92.168.1.66 192.168.1.65 Default gateway: Default gateway 192.168.1.95 192.168.1.95 Fa0/0 192.168.1.95 Fa0/0 192.168.1.62 So/o DCE 92.168.1.97/27 192.168.1.100/27 Lab A Lab B S0/o r in the sales department calls and tells you that she can't get to ServerA in the partment. You ask her if she can get to ServerB in the marketing department,b 't know because she doesn't have rights to log on to that server. What do you guide your user through the four troubleshooting steps you learned in the pre ction. Okay-let's say steps 1 through 3 work but step 4 fails. By looking at t n you determine the problem? Look for clues in the network drawing. First between the Lab A router and the Lab B router shows the mask as a l2 7.Explanation / Answer
The figure clearly states that the networks address in 192.168.1.0 which is a /24 network and the prefix used is /27. By extending the prefix by 3 bits, the we are using 3 host bits to be configured and used as network bits yeilding 2^3 = 8 more subnets. The following table lists down the subnets for clearity.
If you see in the figure the sales host address is 192.168.1.33 hence it is using the 32 subnet ie the range 32-63. The marketing hosts use the addresses 192.168.1.65 and 192.168.1.66, that means it is using the address range 64-95 and hence 64 subnet. Also, Since the lab network is using address 192.168.1.100 and 192.168.1.97 i.e in the range 96-127 hence it is using 96 subnet. Also, you can see that the address on the marketing router is 192.168.1.95 which is not in any range. Hence, that address is wrong.
Subnet address range 0 192.168.1.2-192.168.1.30 32 192.168.1.33-192.168.1.62 64 192.168.1.65-192.168.1.94 96 192.168.1.97-192.168.1.126 128 192.168.1.129-192.168.1.158 160 192.168.1.161-192.168.1.190 192 192.168.1.193.-192.168.1.222 224 192.168.1.225.-192.168.1.253Related Questions
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