Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Multiple Choice Questions
Q1021: What information does the ExStart state establish between routers?
- A: Master and slave relationship
- B: DR and BDR election
- C: Hello packet exchange
- D: LSA entry headers
View Answer
A
Q1022: Fill in the blank: To avoid creating excessive adjacencies and flooding on multiaccess networks, OSPF uses _______ to manage LSAs.
- A: Designated Router (DR)
- B: Backup Designated Router (BDR)
- C: DROTHER routers
- D: LSR packets
View Answer
A
Q1023: What is OSPFv2 designed as an alternative to?
- A: RIP
- B: BGP
- C: EIGRP
- D: OSPFv3
View Answer
A
Q1024: In OSPF, what does the router ID uniquely identify?
- A: Network topology
- B: Neighbor router
- C: Specific router
- D: Interface of the router
View Answer
C
Q1025: When does the election of the Designated Router (DR) occur in OSPF?
- A: During router reboot
- B: During network initialization
- C: During data transmission
- D: During OSPF link failure
View Answer
B
Q1026: What happens if there is no priority configured for a router during the DR election in OSPF?
- A: The router with the highest priority is elected
- B: The router with the lowest IP address is elected
- C: The router with the highest router ID is elected
- D: The router with the lowest priority is elected
View Answer
C
Q1027: What is the most recommended method to assign a router ID?
- A: By explicitly configuring the router ID
- B: By using the highest loopback IPv4 address
- C: By using the highest physical interface address
- D: By automatically selecting the router ID
View Answer
A
Q1028: What command is used to manually assign a router ID to an OSPF router?
- A: router-id rid router configuration mode command
- B: network network-address wildcard-mask command
- C: ip ospf router-id command
- D: clear ip ospf process command
View Answer
A
Q1029: Which of the following is the least recommended method to assign a router ID?
- A: By explicitly configuring the router ID
- B: By using the highest IPv4 address of a loopback interface
- C: By using the highest IPv4 address of any physical interface
- D: By using the lowest IPv4 address of any interface
View Answer
C
Q1030: What command is used to verify the OSPF router ID on a router?
- A: show ip protocols
- B: show ospf router-id
- C: clear ip ospf process
- D: show running-config
View Answer
A