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Computer Networks and Internet Protocol NPTEL Week 6 Assignment Solution
Q1. You need 500 subnets, each with about 100 usable host addresses per subnet. What network mask will you assign using a class B network address?
Answer: b. 255.255.255.128
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Q2. What is the possible ip address range for class B?
a. from 0.0.0.0 to 127.255.255.255
b. from 192.0.0.0 to 184.108.40.206
c. from 220.127.116.11 to 18.104.22.168
d. from 240.0.0.0 to 247.255.255.255
Answer: c. from 22.214.171.124 to 126.96.36.199
Q3. The header length of the ipv6 datagram is
a. 10 bytes
b. 20 bytes
c. 30 bytes
d. 40 bytes
Answer: d. 40 bytes
Q4. What is the maximum number of hosts under class B addresses?
Answer: b. 65534
Q5. Which is true for class E?
a. It is used for multicasting
b. It is reserved for experimental purposes
c. It is used for a network with a large number of hosts
d. It is used for a network with less number of host
Answer: b. It is reserved for experimental purposes
Q6. What is the maximum number of networks possible in class C IP addresses?
Answer: c. 2^21
Q7. Which of the following is/are not a valid IPv6 address?
Answer: d. FE80:2030:31:24
Q8. Suppose computers P and Q have IP addresses 10.20.5.25 and 10.20.5.9 respectively and they both use the same netmask N. Which of the values of N given below should not be used if P and Q should belong to the same network?
Answer: d. 255.255.255.240
Q9. The network layer doesn’t guarantee delivery of each packet and doesn’t promise to deliver them in the same order.
Answer: a. True
Q10. What is supernetting?
a. Split a large network into multiple small networks.
b. Combine multiple small networks in a single large network.
c. Enable the network to accept more hosts.
d. Connect a new network to an existing network.
Answer: b. Combine multiple small networks in a single large network.
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