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الخميس، 11 يوليو 2019

Computer Networks Questions & Answers – IPV4 and IPV6 Comparision MCQ أسئله شبكات بالأجابات الجزء الثامن و الاربعون


Computer Networks Questions & Answers – IPV4 and IPV6 Comparision


1. Which of the following is not applicable for IP?
a) Error reporting
b) Handle addressing conventions
c) Datagram format
d) Packet handling
Answer: a
Explanation: Error reporting is handled by ICMP.

2. Which of the following field in IPv4 datagram is not related to fragmentation?
a) Flags
b) Offset
c) TOS
d) Identifier
Answer: c
Explanation: TOS ­ type of service identifies the type of packets.

3. The TTL field has value 10. How many routers (max) can process this datagram?
a) 11
b) 5
c) 10
d) 1
Answer: c
Explanation: TTL field is decremented by one each time the datagram is processed by a router.

4. If the value in protocol field is 17, the transport layer protocol used is _________
a) TCP
b) UDP
c) Either TCP and UDP
d) None of the mentioned
Answer: b
Explanation: For TCP it is 6.

5. Which field helps to check rearrangement of the fragments?
a) offset
b) flag
c) ttl
d) identifier
Answer: a
Explanation: Offset field specifies where the fragment fits in the original datagram.

6. The size of IP address in IPv6 is
a) 4bytes
b) 128bits
c) 8bytes
d) 100bits
Answer: b
Explanation: An IPv6 address is 128 bits long.

7. The header length of an IPv6 datagram is ___________
a) 10bytes
b) 25bytes
c) 30bytes
d) 40bytes
Answer: d
Explanation: IPv6 datagram has fixed header length of 40bytes, which results is faster processing of the datagram.

8. In the IPv6 header, the traffic class field is similar to which field in the IPv4 header?
a) Fragmentation field
b) Fast switching
c) TOS field
d) Option field
Answer: c
Explanation: This field enables to have different types of IP datagram.

9. IPv6 does not use ________ type of address
a) Broadcast
b) Multicast
c) Any cast
d) None of the mentioned
Answer: a
Explanation: Broadcast has been eliminated in IPv6.

10. Which are the features present in IPv4 but not in IPv6?
a) Fragmentation
b) Header checksum
c) Options
d) All of the mentioned
Answer: d
Explanation: All the features are only present in IPv4 and not IPv6

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