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
a) Error reporting
b) Handle addressing conventions
c) Datagram format
d) Packet handling
Answer: a
Explanation: Error reporting is handled by ICMP.
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
a) Flags
b) Offset
c) TOS
d) Identifier
Answer: c
Explanation: TOS type of service identifies the type of packets.
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
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.
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
a) TCP
b) UDP
c) Either TCP and UDP
d) None of the mentioned
Answer: b
Explanation: For TCP it is 6.
Explanation: For TCP it is 6.
5. Which field helps to check
rearrangement of the fragments?
a) offset
b) flag
c) ttl
d) identifier
a) offset
b) flag
c) ttl
d) identifier
Answer: a
Explanation: Offset field specifies where the fragment fits in the original datagram.
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
a) 4bytes
b) 128bits
c) 8bytes
d) 100bits
Answer: b
Explanation: An IPv6 address is 128 bits long.
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
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.
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
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.
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
a) Broadcast
b) Multicast
c) Any cast
d) None of the mentioned
Answer: a
Explanation: Broadcast has been eliminated in IPv6.
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
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
Explanation: All the features are only present in IPv4 and not IPv6
ليست هناك تعليقات:
إرسال تعليق