Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Chapter: 105
Q1221:
The best paths to destinations within an area in OSPF are calculated based on which LSA types?
A. Type 1 and Type 2
B. Type 3 and Type 4
C. Type 5 and Type 6
D. Type 7 and Type 8
Correct Answer:
A
Chapter: 105
Q1222:
How are interarea routes noted in an OSPF routing table?
A. O
B. O E1
C. O IA
D. O E2
Correct Answer:
C
Chapter: 105
Q1223:
What is the routing designator for external OSPF routes?
A. O E1 or O E2
B. O IA
C. O
D. O Stub
Correct Answer:
A
Chapter: 105
Q1224:
OSPF external LSAs marked as type 5 are associated with which type of routes?
A. Intra-area routes
B. Stub area routes
C. Interarea routes
D. External routes
Correct Answer:
D
Chapter: 105
Q1225:
Which of the following routes is NOT calculated in a stub area?
A. Interarea routes
B. Intra-area routes
C. External routes
D. Summary routes
Correct Answer:
C
Chapter: 105
Q1226:
What designator does the routing table use for OSPF intra-area routes?
A. O
B. O IA
C. O E1
D. O E2
Correct Answer:
A
Chapter: 105
Q1227:
Which OSPF LSAs are associated with external type 1 (E1) or external type 2 (E2) routes?
A. Type 1
B. Type 5
C. Type 3
D. Type 2
Correct Answer:
B
Chapter: 105
Q1228:
What is the purpose of the OSPF SPF algorithm?
A. Build LSDB
B. Build the SPF tree
C. Flood LSAs
D. Calculate OSPF costs
Correct Answer:
B
Chapter: 105
Q1229:
Which OSPF route is added to the routing table after calculating the best path to other areas?
A. Intra-area route
B. Interarea route
C. External route
D. Backbone route
Correct Answer:
B
Chapter: 105
Q1230:
What does OSPF designate as the best path to destinations outside the OSPF autonomous system?
A. Intra-area routes
B. Interarea routes
C. External routes
D. Stub area routes
Correct Answer:
C
Chapter: 105
Q1231:
OSPF summary LSAs are received by which router type?
A. DR
B. ASBR
C. ABR
D. Internal router
Correct Answer:
C
Chapter: 105
Q1232:
What descriptor is used in the OSPF routing table for intra-area routes?
A. O
B. IA
C. E1
D. E2
Correct Answer:
A
Chapter: 105
Q1233:
How does OSPF note routes learned from external autonomous systems in the routing table?
A. O
B. O IA
C. O E1
D. O Stub
Correct Answer:
C
Chapter: 105
Q1234:
Which routers in OSPF do NOT calculate paths to external autonomous systems?
A. Backbone routers
B. Stub routers
C. Area border routers
D. Internal routers
Correct Answer:
B
Chapter: 105
Q1235:
What are the OSPF routes noted as 'O E1' or 'O E2'?
A. Interarea routes
B. External routes
C. Intra-area routes
D. Stub area routes
Correct Answer:
B
Chapter: 105
Q1236:
What happens after a router converges in OSPF?
A. It can communicate within its area only
B. It can communicate with any network within or outside the OSPF autonomous system
C. It stops receiving LSAs
D. It stops recalculating the best path
Correct Answer:
B
Chapter: 105
Q1237:
Which type of route is noted with 'O' in the OSPF routing table?
A. Interarea routes
B. External routes
C. Intra-area routes
D. Summary routes
Correct Answer:
C
Chapter: 106
Q1238:
How many steps are involved in implementing multiarea OSPF?
A. 2
B. 3
C. 4
D. 5
Correct Answer:
C
Chapter: 106
Q1239:
What is the first step in planning a multiarea OSPF implementation?
A. Gather network requirements and parameters
B. Define OSPF areas
C. Configure OSPF
D. Verify OSPF
Correct Answer:
A
Chapter: 106
Q1240:
In multiarea OSPF, what is used to decrease the LSDB size?
A. Dividing the network into areas
B. Using a single-area network
C. Adding more routers
D. Increasing the routing table
Correct Answer:
A