Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Multiple Choice Questions
Q1001: What is the purpose of a Type 2 DBD packet in OSPF?
- A: To provide an abbreviated list of the sending router's LSDB
- B: To request more information about an entry in the DBD
- C: To reply to an LSR packet
- D: To advertise routing updates
View Answer
A
Q1002: Fill in the blank: The OSPF Type 4 LSU packet is used to ________.
- A: Reply to an LSR packet
- B: Send Hello packets
- C: Advertise parameters for DR/BDR election
- D: Create an adjacency with a neighbor
View Answer
A
Q1003: What are OSPF LSAs used for?
- A: To contain information about OSPF routing updates
- B: To establish neighbor adjacencies
- C: To calculate SPF trees
- D: To perform routing table lookups
View Answer
A
Q1004: Fill in the blank: OSPF Hello packets are transmitted to multicast address _______ in IPv6.
- A: FF02::5
- B: FF02::1
- C: FF02::2
- D: FF02::3
View Answer
A
Q1005: What does the OSPF Packet Header identify?
- A: Router ID and Area ID
- B: Type of OSPF packet
- C: Dead Interval
- D: Link-State Advertisement
View Answer
B
Q1006: What is the role of the Dead Interval in OSPF?
- A: It determines how long a router waits before declaring a neighbor down
- B: It specifies the frequency of sending Hello packets
- C: It identifies the OSPF router ID
- D: It determines the router's priority in DR/BDR election
View Answer
A
Q1007: Fill in the blank: An LSU packet can contain up to ______ different types of OSPFv2 LSAs.
- A: 11
- B: 12
- C: 13
- D: 14
View Answer
A
Q1008: What information does the Data Link Ethernet Frame Header in OSPF messages contain?
- A: Destination multicast MAC addresses
- B: OSPF packet type
- C: IPv4 protocol field
- D: OSPF packet type information
View Answer
A
Q1009: What is the purpose of the Hello packet in OSPF?
- A: To establish neighbor adjacencies
- B: To flood LSAs
- C: To synchronize LSDBs
- D: To elect the DR and BDR
View Answer
A
Q1010: Fill in the blank: The router ID in OSPF is used to _______.
- A: Uniquely identify each router
- B: Determine the Hello Interval
- C: Set the Dead Interval
- D: Establish the DR and BDR election
View Answer
A