Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Chapter: 106
Q1241:
What is the role of an ABR in OSPF?
A. Provides IP address to routers
B. Routes traffic within a single area
C. Routes traffic between different areas
D. Manages external routing
Correct Answer:
C
Chapter: 106
Q1242:
What does a good IP addressing plan help in OSPF multiarea design?
A. Enhance LSDB calculation
B. Scale the network and optimize LSA behavior
C. Prevent routing loops
D. Increase bandwidth
Correct Answer:
B
Chapter: 106
Q1243:
Which router type has interfaces in multiple OSPF areas?
A. Internal router
B. Backbone router
C. Area Border Router (ABR)
D. Designated Router
Correct Answer:
C
Chapter: 106
Q1244:
What command is required to implement multiarea OSPF on a router?
A. Enable multiarea OSPF
B. No special command is required
C. Configure routing table
D. Set ABR status manually
Correct Answer:
B
Chapter: 106
Q1245:
What is the router ID assigned to R1 in the given OSPF topology?
A. 0.0.0.0
B. 2.2.2.2
C. 1.1.1.1
D. 3.3.3.3
Correct Answer:
C
Chapter: 106
Q1246:
What message is seen after configuring R2 in a multiarea OSPF network?
A. Adjacency with R1
B. Adjacency with R3
C. Neighbor lost
D. Routing table updated
Correct Answer:
A
Chapter: 106
Q1247:
Which interface on R1 is part of OSPF area 0 in the example?
A. Serial
B. LAN
C. Loopback
D. Ethernet
Correct Answer:
A
Chapter: 106
Q1248:
Which step in implementing multiarea OSPF focuses on determining the OSPF parameters?
A. Step 1
B. Step 2
C. Step 3
D. Step 4
Correct Answer:
B
Chapter: 106
Q1249:
In a multiarea OSPF design, what helps define primary and backup links?
A. OSPF cost
B. OSPF ID
C. LSDB
D. LSA propagation
Correct Answer:
A
Chapter: 106
Q1250:
What kind of router is R2, considering all of its interfaces are in area 0?
A. Internal backbone router
B. Area Border Router (ABR)
C. External Router
D. Stub Router
Correct Answer:
A
Chapter: 106
Q1251:
Fill in the blank: _______ is used to divide an OSPF network into multiple areas.
A. Subnetting
B. Area division
C. LSDB
D. IP addressing
Correct Answer:
B
Chapter: 106
Q1252:
Fill in the blank: R1 becomes an ABR when it has interfaces in ________.
A. the same area
B. multiple areas
C. one area
D. an external network
Correct Answer:
B
Chapter: 106
Q1253:
Fill in the blank: In OSPF, _______ messages inform about adjacency between routers.
A. Configuration
B. Informational
C. Hello
D. Update
Correct Answer:
B
Chapter: 106
Q1254:
What is the function of summarization in OSPF?
A. Increase routing speed
B. Reduce the size of routing tables
C. Establish a connection between routers
D. Ensure packet delivery
Correct Answer:
B
Chapter: 106
Q1255:
Which step in OSPF focuses on verifying the multiarea implementation?
A. Step 1
B. Step 2
C. Step 3
D. Step 4
Correct Answer:
D
Chapter: 106
Q1256:
What does OSPF rely on to ensure optimal network performance in a multiarea design?
A. LSA propagation
B. Subnet masks
C. IP addressing plan
D. Summarization
Correct Answer:
C
Chapter: 106
Q1257:
Fill in the blank: The _______ topology is used to create multiple areas in OSPF.
A. ring
B. hierarchical
C. mesh
D. star
Correct Answer:
B
Chapter: 107
Q1258:
What does summarization help with in OSPF?
A. Simplifying configuration
B. Reducing routing table size
C. Increasing network speed
D. Improving security
Correct Answer:
B
Chapter: 107
Q1259:
Which type of LSAs are generated inside each area in OSPF?
A. Type 1 and Type 2
B. Type 3 and Type 5
C. Type 1 and Type 3
D. Type 2 and Type 4
Correct Answer:
A
Chapter: 107
Q1260:
In OSPF, which type of LSA is used for advertising routes between areas?
A. Type 1
B. Type 2
C. Type 3
D. Type 5
Correct Answer:
C