Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Multiple Choice Questions
Q1011: What action occurs when two OSPF neighbors are interconnected over a point-to-point link?
- A: They transition immediately to the database synchronization phase
- B: They elect a DR and BDR
- C: They create multiple adjacencies
- D: They exchange Hello packets
View Answer
A
Q1012: Fill in the blank: After the Two-Way state, routers transition to _______ states.
- A: Database synchronization
- B: ExStart
- C: Loading
- D: Full
View Answer
A
Q1013: What is included in a DBD packet?
- A: LSA entry header information
- B: OSPF packet type information
- C: Router ID and Area ID
- D: Network Mask and Hello Interval
View Answer
A
Q1014: Fill in the blank: The router with the _______ router ID acts as the master in the Exchange state.
- A: Higher
- B: Lower
- C: Equal
- D: Random
View Answer
A
Q1015: What happens if the DBD packet received by R1 has a more current link-state entry?
- A: R1 transitions to the Loading state
- B: R1 transitions to the ExStart state
- C: R1 ignores the DBD packet
- D: R1 sends an LSR packet
View Answer
A
Q1016: Fill in the blank: The network remains in the topology database as long as neighboring routers continue receiving _______.
- A: Hello packets
- B: LSA packets
- C: DBD packets
- D: LSR packets
View Answer
A
Q1017: What must be satisfied before adjacent routers are considered synchronized and in a full state?
- A: All LSRs
- B: All DBD packets
- C: All Hello packets
- D: All LSUs
View Answer
A
Q1018: Fill in the blank: On multiaccess networks, OSPF elects a _______ to be the collection and distribution point for LSAs.
- A: Designated Router (DR)
- B: Backup Designated Router (BDR)
- C: Router ID
- D: Neighbor
View Answer
A
Q1019: What is the role of the Backup Designated Router (BDR) in OSPF?
- A: To take over if the DR fails
- B: To manage the Hello packets
- C: To maintain the LSDB
- D: To synchronize databases
View Answer
A
Q1020: Fill in the blank: The OSPF protocol ensures that updates are sent only when _______.
- A: A change is perceived or every 30 minutes
- B: A change is perceived every hour
- C: Every 10 minutes
- D: An LSR packet is received
View Answer
A