Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 32
Q981:
Who is responsible for fragmentation in IPv6?
A. Intermediate routers
B. Destination
C. Source
D. All routers
Correct Answer:
C
Chapter: 32
Q982:
Routers in IPv6 _______ datagrams larger than the network MTU.
A. Fragment
B. Drop
C. Forward
D. Compress
Correct Answer:
B
Chapter: 32
Q983:
The smallest MTU on any network between source and destination is called ________.
A. Path MTU
B. Network MTU
C. Fragment MTU
D. Packet MTU
Correct Answer:
A
Chapter: 32
Q984:
Path MTU discovery involves the source sending ________ messages of various sizes.
A. Fragmentation
B. Probe
C. Error
D. ACK
Correct Answer:
B
Chapter: 32
Q985:
IPv6's use of multiple headers provides which advantage?
A. Efficiency
B. Flexibility
C. Both efficiency and flexibility
D. No advantage
Correct Answer:
C
Chapter: 32
Q986:
IPv6 addresses are how many bits long?
A. 64 bits
B. 32 bits
C. 128 bits
D. 256 bits
Correct Answer:
C
Chapter: 32
Q987:
IPv6 addressing includes which two parts?
A. Network prefix and host suffix
B. Subnet and host
C. MAC and IP
D. Domain and subnet
Correct Answer:
A
Chapter: 32
Q988:
Which of the following is NOT a type of IPv6 address?
A. Unicast
B. Multicast
C. Cluster
D. Broadcast
Correct Answer:
D
Chapter: 32
Q989:
Unicast IPv6 address is used for:
A. Multiple destinations
B. Single destination
C. Network-wide communication
D. Cluster communication
Correct Answer:
B
Chapter: 32
Q990:
Multicast IPv6 address is used for:
A. Single destination
B. Multiple destinations
C. Cluster communication
D. Only local network
Correct Answer:
B
Chapter: 32
Q991:
Cluster IPv6 address delivers datagram to:
A. All nodes in cluster
B. One out of cluster
C. No nodes
D. Multiple clusters
Correct Answer:
B
Chapter: 32
Q992:
IPv6 addresses are typically written using:
A. Dotted decimal
B. Colon hexadecimal
C. Binary
D. Octal
Correct Answer:
B
Chapter: 32
Q993:
Zero-compression in IPv6 addresses is indicated by:
A. Single colon
B. Double colon
C. Semicolon
D. Triple colon
Correct Answer:
B
Chapter: 32
Q994:
An IPv6 address with 96 leading zeros represents:
A. An IPv4 address
B. A multicast address
C. A broadcast address
D. An Ethernet address
Correct Answer:
A
Chapter: 32
Q995:
ICMP provides a mechanism for:
A. Error reporting
B. Error correction
C. Data encryption
D. Data compression
Correct Answer:
A
Chapter: 32
Q996:
IPv6 provides best-effort delivery which means:
A. All datagrams are guaranteed delivery
B. Some datagrams may be dropped
C. All datagrams are discarded
D. Datagrams are duplicated
Correct Answer:
B
Chapter: 32
Q997:
Which of the following is NOT detected by the Internet layer?
A. Checksum errors
B. TTL expires
C. No route to destination
D. Packet encryption
Correct Answer:
D
Chapter: 32
Q998:
Internet layer discards datagrams with errors but cannot send error messages for:
A. Checksum errors
B. TTL expiry
C. No route
D. Fragmentation
Correct Answer:
C
Chapter: 32
Q999:
ICMP messages are sent encapsulated in:
A. UDP datagram
B. TCP segment
C. IP datagram
D. HTTP packet
Correct Answer:
C
Chapter: 32
Q1000:
Which of the following is NOT an ICMP error message?
A. Source quench
B. Time exceeded
C. Destination unreachable
D. Echo request
Correct Answer:
D