Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 31
Q961:
Which feature of IPv6 allows audio and video applications to establish appropriate connections?
A. Flow label
B. Quality of Service
C. Flow label and Quality of Service
D. Extension headers
Correct Answer:
C
Chapter: 31
Q962:
The IPv6 header format compared to IPv4 is:
A. Identical
B. Larger
C. Entirely different
D. Smaller and identical
Correct Answer:
C
Chapter: 31
Q963:
IPv6 base header size is fixed at how many octets?
A. 20 octets
B. 32 octets
C. 40 octets
D. 60 octets
Correct Answer:
C
Chapter: 31
Q964:
IPv6 addresses are:
A. Shorter than IPv4
B. 128 bits in length
C. Variable length
D. 64 bits in length
Correct Answer:
B
Chapter: 31
Q965:
The IPv6 NEXT HEADER field defines:
A. Type of the next header
B. Type of the previous header
C. Size of the header
D. Checksum
Correct Answer:
A
Chapter: 31
Q966:
IPv6 headers can be extended using:
A. Extension headers
B. Additional packets
C. Multiple base headers
D. Fragments
Correct Answer:
A
Chapter: 31
Q967:
The flow label in IPv6 header is used by routers to:
A. Calculate checksum
B. Forward datagrams along a specific path
C. Drop packets
D. Encrypt data
Correct Answer:
B
Chapter: 31
Q968:
IPv6 allows for ________ to be added more easily.
A. Applications
B. Features
C. Users
D. Devices
Correct Answer:
B
Chapter: 31
Q969:
The header length field in IPv6 extension headers specifies:
A. Size of the base header
B. Size of the extension header
C. Size of entire packet
D. Size of data
Correct Answer:
B
Chapter: 31
Q970:
IPv4 addresses are how many bits long?
A. 32 bits
B. 64 bits
C. 128 bits
D. 256 bits
Correct Answer:
A
Chapter: 31
Q971:
The motivation for changing from IPv4 to IPv6 was mainly due to:
A. Increase in speed
B. Exhaustion of IPv4 address space
C. New hardware compatibility
D. Improved encryption
Correct Answer:
B
Chapter: 31
Q972:
The flow label field in IPv6 helps with:
A. Traffic classification
B. Path identification
C. Error detection
D. Encryption
Correct Answer:
B
Chapter: 31
Q973:
The "next header" field in IPv6 base header points to:
A. The payload data
B. The first extension header
C. The last header
D. The header checksum
Correct Answer:
B
Chapter: 31
Q974:
The extension headers in IPv6 can be:
A. Fixed size only
B. Variable sized
C. Non-existent
D. Always 20 bytes
Correct Answer:
B
Chapter: 31
Q975:
The IPv6 header format includes:
A. No options
B. Extension headers
C. Fixed options only
D. Encrypted headers
Correct Answer:
B
Chapter: 31
Q976:
IPv6 addresses use how many bits more than IPv4 addresses?
A. 64 bits
B. 96 bits
C. 128 bits
D. 32 bits
Correct Answer:
A
Chapter: 31
Q977:
IPV6 is designed to be extensible, meaning:
A. It cannot be changed
B. It allows new features to be added easily
C. It has fixed features
D. It does not support extensions
Correct Answer:
B
Chapter: 31
Q978:
Which field in IPv6 header is partitioned into Traffic Class and Flow Label?
A. Source address
B. Version
C. Flow label
D. Next header
Correct Answer:
C
Chapter: 31
Q979:
IPv6's flow label and quality of service fields help primarily with:
A. Improving security
B. Supporting multimedia applications
C. Increasing header size
D. Reducing address length
Correct Answer:
B
Chapter: 32
Q980:
In IPv6, fragmentation information is kept in a ________ header.
A. Base
B. Extension
C. Transport
D. Network
Correct Answer:
B