Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Chapter: 99
Q1141:
Fill in the blank: OSPFv3 advertises routes for ____ addresses, whereas OSPFv2 advertises routes for ____ addresses.
A. IPv6, IPv4
B. IPv4, IPv6
C. IPv4, IPv4
D. IPv6, IPv6
Correct Answer:
A
Chapter: 99
Q1142:
What is the default reference bandwidth value used in OSPF for calculating the cost of an interface?
A. 10^6 (1,000,000)
B. 10^8 (100,000,000)
C. 10^9 (1,000,000,000)
D. 10^5 (100,000)
Correct Answer:
B
Chapter: 99
Q1143:
Fill in the blank: To configure OSPFv3 to use a specific process ID and area ID, you use the command _____.
A. ipv6 ospf process-id area area-id
B. ospf area-id
C. ipv6 ospf area
D. ospf ipv6 process
Correct Answer:
A
Chapter: 99
Q1144:
What is the multicast address used by OSPFv3 for the DR/BDR election?
A. 224.0.0.6
B. FF02::6
C. 239.0.0.6
D. 255.255.255.6
Correct Answer:
B
Chapter: 99
Q1145:
Fill in the blank: In OSPFv3, the routing protocol is the same as in OSPFv2, but it uses ____ as the network layer transport.
A. IPv4
B. IPv6
C. IPv4 and IPv6
D. MPLS
Correct Answer:
B
Chapter: 100
Q1146:
What type of network can have both OSPFv2 and OSPFv3 enabled simultaneously?
A. Dual-stacked
B. Single-stacked
C. Triple-stacked
D. Multi-stacked
Correct Answer:
A
Chapter: 100
Q1147:
Fill in the blank: IPv6 link-local addresses are automatically created using the prefix _____.
A. FE80::/10
B. FE00::/10
C. FEC0::/10
D. FFFF::/10
Correct Answer:
A
Chapter: 100
Q1148:
Which command confirms that global IPv6 addresses are configured and interfaces are enabled?
A. show ipv6 interface brief
B. show ip ospf interface
C. show ip ospf neighbor
D. show ipv6 route
Correct Answer:
A
Chapter: 100
Q1149:
Fill in the blank: The EUI-64 format involves using the 48-bit Ethernet MAC address, inserting _____ in the middle, and flipping the seventh bit.
A. FFFE
B. FFFF
C. EEEE
D. FFFE-EFFE
Correct Answer:
A
Chapter: 100
Q1150:
What prefix is used for link-local addresses in IPv6?
A. FE80 to FEBF
B. FE00 to FEFF
C. FEC0 to FECF
D. FF00 to FFFF
Correct Answer:
A
Chapter: 100
Q1151:
Fill in the blank: To configure a link-local address manually, you use the _____ keyword with the ipv6 address command.
A. link-local
B. global
C. local
D. ipv4
Correct Answer:
A
Chapter: 100
Q1152:
Which command is used to configure the OSPFv3 router ID?
A. router ospf
B. ospf router-id
C. ipv6 ospf router-id
D. ospf configuration
Correct Answer:
C
Chapter: 100
Q1153:
Fill in the blank: For serial interfaces, Cisco uses the MAC address of an _____ interface to create the link-local address.
A. Ethernet
B. IPv6
C. Serial
D. Loopback
Correct Answer:
A
Chapter: 100
Q1154:
Which IPv6 address range is used for link-local addresses?
A. FE80 to FEBF
B. 2000::/3
C. 2400::/3
D. 2600::/3
Correct Answer:
A
Chapter: 100
Q1155:
Fill in the blank: Configuring OSPFv3 on a router with dual IPv4 and IPv6 addresses involves setting up both OSPFv2 and _____ protocols.
A. OSPFv3
B. BGP
C. EIGRP
D. IS-IS
Correct Answer:
A
Chapter: 101
Q1156:
What command is used to verify OSPFv3 neighbor adjacencies?
A. show ipv6 protocols
B. show ip ospf neighbors
C. show ipv6 ospf neighbor
D. show ip protocols
Correct Answer:
C
Chapter: 101
Q1157:
Fill in the blank: If two routers do not establish a neighbor adjacency, ______ information is not exchanged.
A. OSPF protocol
B. link-state
C. routing
D. interface
Correct Answer:
B
Chapter: 101
Q1158:
Which OSPF state indicates that two routers have identical OSPF LSDBs?
A. 2WAY
B. INIT
C. FULL
D. DOWN
Correct Answer:
C
Chapter: 101
Q1159:
Fill in the blank: Incomplete LSDBs can cause inaccurate ______ trees and routing tables.
A. OSPF
B. BGP
C. SPF
D. RIP
Correct Answer:
C
Chapter: 101
Q1160:
What does the Dead Time field in the show ipv6 ospf neighbor command represent?
A. Time before declaring a neighbor down
B. Time before routing table update
C. Time before SPF recalculation
D. Time before interface reset
Correct Answer:
A