Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Chapter: 88
Q981:
Which version of OSPF is used for IPv4?
A. OSPFv1
B. OSPFv2
C. OSPFv3
D. OSPFv4
Correct Answer:
B
Chapter: 88
Q982:
Fill in the blank: OSPF version 2 was introduced in RFC __________.
A. 1131
B. 1247
C. 2328
D. 5340
Correct Answer:
B
Chapter: 88
Q983:
What feature does OSPF support by design?
A. Classless routing
B. IPv6 addressing
C. Static routing
D. Distance vector routing
Correct Answer:
A
Chapter: 88
Q984:
What does OSPF use to determine the best path?
A. SPF algorithm
B. Dijkstra’s algorithm
C. Bellman-Ford algorithm
D. Distance vector algorithm
Correct Answer:
A
Chapter: 88
Q985:
Fill in the blank: The default administrative distance of OSPF is ________.
A. 100
B. 110
C. 120
D. 130
Correct Answer:
B
Chapter: 88
Q986:
Which packet type is NOT used in OSPF?
A. Hello packet
B. Database description packet
C. Link-state request packet
D. Echo request packet
Correct Answer:
D
Chapter: 88
Q987:
What is the first step in the OSPF link-state routing process?
A. Establish Neighbor Adjacencies
B. Exchange Link-State Advertisements
C. Build the Topology Table
D. Execute the SPF Algorithm
Correct Answer:
A
Chapter: 88
Q988:
Fill in the blank: After establishing neighbor adjacencies, OSPF routers exchange __________.
A. Link-State Advertisements (LSAs)
B. Hello packets
C. Database description packets
D. Forwarding information
Correct Answer:
A
Chapter: 88
Q989:
In a multiarea OSPF configuration, what is the role of Area Border Routers (ABR)?
A. Interconnecting different areas
B. Establishing neighbor adjacencies
C. Executing the SPF algorithm
D. Maintaining the adjacency database
Correct Answer:
A
Chapter: 88
Q990:
What is the primary advantage of hierarchical routing in OSPF?
A. Reduces link-state update overhead
B. Increases the size of routing tables
C. Increases the frequency of SPF calculations
D. Simplifies the link-state advertisement process
Correct Answer:
A
Chapter: 88
Q991:
Fill in the blank: With multiarea OSPF, topology changes within an area cause OSPF to __________.
A. Rerun the SPF algorithm
B. Update the routing tables of all areas
C. Flood LSAs to all areas
D. Increase the frequency of SPF calculations
Correct Answer:
A
Chapter: 88
Q992:
What happens if there are too many routers in one OSPF area?
A. LSDBs become very large and CPU load increases
B. OSPF routing tables become smaller
C. SPF calculations become faster
D. Routing updates are less frequent
Correct Answer:
A
Chapter: 88
Q993:
Fill in the blank: OSPF uses the __________ algorithm to process neighbor and topology tables.
A. SPF
B. Bellman-Ford
C. Distance Vector
D. Dijkstra’s
Correct Answer:
A
Chapter: 88
Q994:
Which of the following is NOT a type of OSPF packet?
A. Hello packet
B. Link-State Request packet
C. Link-State Update packet
D. Routing Information Protocol packet
Correct Answer:
D
Chapter: 89
Q995:
Which multicast address is used for OSPF Hello packets in IPv4?
A. 224.0.0.1
B. 224.0.0.5
C. 224.0.0.6
D. 224.0.0.7
Correct Answer:
B
Chapter: 89
Q996:
Fill in the blank: OSPF Hello packets are transmitted every ______ seconds by default on multiaccess networks.
A. 10
B. 20
C. 30
D. 40
Correct Answer:
A
Chapter: 89
Q997:
What is the default Dead Interval for multiaccess networks in OSPF?
A. 10 seconds
B. 20 seconds
C. 40 seconds
D. 80 seconds
Correct Answer:
C
Chapter: 89
Q998:
Fill in the blank: The OSPF Type 1 packet is known as the ______ packet.
A. Hello
B. Database Description
C. Link-State Request
D. Link-State Update
Correct Answer:
A
Chapter: 89
Q999:
What does the Router Priority field in an OSPF Hello packet determine?
A. Router ID
B. Dead Interval
C. DR/BDR election
D. Link-State Advertisement
Correct Answer:
C
Chapter: 89
Q1000:
Fill in the blank: The OSPF Link-State Update (LSU) packet is used to forward _______.
A. Routing updates
B. Hello packets
C. Database Description packets
D. Link-State Request packets
Correct Answer:
A