Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q1311: OSPF propagates link-status information ________ within areas.
- A: periodically
- B: once
- C: daily
- D: never
View Answer
A
Q1312: Internet multicast routing allows arbitrary computers to join multicast groups at ________.
- A: any time
- B: only at setup
- C: time intervals
- D: only once
View Answer
A
Q1313: In Internet multicast routing, a computer can send messages to a multicast group ________.
- A: even if it is not a member
- B: only if it is a member
- C: only with permission
- D: only once
View Answer
A
Q1314: IP multicast groups are anonymous because neither the sender nor receiver knows the ________.
- A: number or identity of members
- B: number of routers
- C: network address
- D: host IP address
View Answer
A
Q1315: Routers and hosts do not know which ________ will send datagrams to a multicast group.
- A: applications
- B: routers
- C: members
- D: subnets
View Answer
A
Q1316: The protocol used by a host to inform a nearby router about joining or leaving a multicast group is called ________.
- A: IGMP
- B: IPSec
- C: TCP
- D: UDP
View Answer
A
Q1317: In IGMP, the host informs the local router about the last application when it ________.
- A: leaves the group
- B: joins the group
- C: starts transmitting
- D: receives a message
View Answer
A
Q1318: Who is responsible for the propagation of multicast routing information?
- A: routers
- B: hosts
- C: applications
- D: switches
View Answer
A
Q1319: Flood-and-prune forwarding is ideal for multicast groups that are ________.
- A: small and on contiguous LANs
- B: large and geographically dispersed
- C: large and mobile
- D: small and global
View Answer
A
Q1320: Flood-and-prune protocols use a technique called ________ to avoid routing loops.
- A: Reverse Path Broadcasting
- B: Forward Path Routing
- C: Shortest Path Bridging
- D: Source Routing
View Answer
A