Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Multiple Choice Questions
Q941: What is included in a Link-State Packet (LSP)?
- A: Link-state information about directly connected links
- B: IP address and subnet mask
- C: Static routes and their metrics
- D: Routing table entries
View Answer
A
Q942: Fill in the blank: After establishing adjacencies, a router builds its __________ that contains link-state information.
- A: Link-State Packet (LSP)
- B: Routing Table
- C: Topology Map
- D: Neighbor List
View Answer
A
Q943: What is the purpose of flooding the LSP to all neighbors?
- A: To ensure all routers in the routing area have the most current link-state information
- B: To update routing tables with new routes
- C: To configure static routes
- D: To establish adjacency with neighbors
View Answer
A
Q944: Fill in the blank: Each router uses the __________ to construct a complete map of the topology.
- A: Link-State Database
- B: Routing Table
- C: SPF Tree
- D: Neighbor Database
View Answer
A
Q945: What information is included in an LSP besides link-state information?
- A: Sequence numbers and aging information
- B: Static routes
- C: IP addresses
- D: Routing metrics
View Answer
A
Q946: Fill in the blank: The final step in the link-state routing process involves generating the __________ from the SPF tree.
- A: Routing Table
- B: Link-State Packet (LSP)
- C: Link-State Database
- D: Topology Map
View Answer
A
Q947: When a router receives an LSP from a neighboring router, what does it do next?
- A: It floods the LSP to all other interfaces except the one it was received on
- B: It immediately updates its routing table
- C: It discards the LSP if it’s a duplicate
- D: It sends a confirmation to the neighboring router
View Answer
A
Q948: Fill in the blank: The SPF algorithm is used to build the __________ tree based on the link-state database.
- A: SPF
- B: Routing
- C: Link-State
- D: Topology
View Answer
A
Q949: What happens to LSPs if a router detects that it has already received an LSP with newer information?
- A: The router updates its database with the new information
- B: The router discards the LSP
- C: The router requests a new LSP from the neighbor
- D: The router sends a confirmation to the neighbor
View Answer
A
Q950: Fill in the blank: Each router builds its LSP containing the state of each __________ link.
- A: Directly connected
- B: Indirectly connected
- C: Neighboring
- D: Static
View Answer
A