Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Chapter: 43
Q461:
Which command provides a summary of all interfaces, including the IPv4 address and current operational status?
A. show interfaces
B. show ip route
C. show ip interface brief
D. show running-config
Correct Answer:
C
Chapter: 43
Q462:
What does the show ip route command display?
A. Interface packet flow count
B. Contents of the IPv4 routing table
C. Commands configured on an interface
D. Detailed IPv4 information for interfaces
Correct Answer:
B
Chapter: 43
Q463:
In Cisco IOS 15, what code represents a directly connected interface in the routing table?
A. R
B. S
C. L
D. C
Correct Answer:
D
Chapter: 43
Q464:
Which command shows the commands configured on a specified interface?
A. show interfaces
B. show ip interface brief
C. show running-config interface
D. show ip interface
Correct Answer:
C
Chapter: 43
Q465:
What additional information does the show interfaces command provide?
A. IPv4 address of each interface
B. Interface packet flow count
C. IPv4 routing table entries
D. Operational status of all interfaces
Correct Answer:
B
Chapter: 43
Q466:
Which command provides detailed IPv4-related information for all interfaces on a router?
A. show ip route
B. show ip interface
C. show ip interface brief
D. show running-config
Correct Answer:
B
Chapter: 43
Q467:
Fill in the blank: The _______ command is used to verify the contents of the IPv4 routing table.
A. show ip interface
B. show running-config
C. show ip route
D. show interfaces
Correct Answer:
C
Chapter: 43
Q468:
Fill in the blank: To view the packet flow count for all interfaces, use the _______ command.
A. show ip interface brief
B. show running-config interface
C. show interfaces
D. show ip route
Correct Answer:
C
Chapter: 43
Q469:
Which command is most useful for quickly identifying the status of all interfaces on a router?
A. show ip interface
B. show ip route
C. show ip interface brief
D. show interfaces
Correct Answer:
C
Chapter: 43
Q470:
When an interface is active and operational, which status should be shown in the output of the show ip interface brief command?
A. Down
B. Up
C. Disabled
D. Testing
Correct Answer:
B
Chapter: 43
Q471:
The show running-config interface command helps administrators verify:
A. Packet flow count
B. Routing table entries
C. Commands configured on the interface
D. IPv4 address and subnet mask
Correct Answer:
C
Chapter: 44
Q472:
What is a primary function of a router?
A. Routing IP packets
B. Switching frames
C. Forwarding packets
D. Managing traffic
Correct Answer:
C
Chapter: 44
Q473:
Which step does a router perform first when it receives a packet destined for another network?
A. Forward the packet out the exit interface
B. Examine the routing table
C. De-encapsulate the Layer 3 packet
D. Re-encapsulate the packet in a Layer 2 frame
Correct Answer:
C
Chapter: 44
Q474:
What happens to Layer 3 IP addresses as a packet travels through routers?
A. They change at each hop
B. They remain the same
C. They are removed
D. They are encapsulated
Correct Answer:
B
Chapter: 44
Q475:
In which layer do the data link addresses change as a packet is forwarded by routers?
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 4
Correct Answer:
B
Chapter: 44
Q476:
What does the router do after determining the exit interface for a packet?
A. Drops the packet
B. De-encapsulates the packet
C. Encapsulates the packet into a new Layer 2 frame
D. Updates the IP address
Correct Answer:
C
Chapter: 44
Q477:
Fill in the blank: When a router receives a packet, it first _______ the Layer 3 packet by removing the Layer 2 frame header and trailer.
A. encapsulates
B. forwards
C. de-encapsulates
D. reconfigures
Correct Answer:
C
Chapter: 44
Q478:
Fill in the blank: After removing the Layer 2 frame, the router examines the destination _______ to find the best path.
A. MAC address
B. IP address
C. Frame address
D. VLAN
Correct Answer:
B
Chapter: 44
Q479:
Which of the following processes describes the forwarding of packets through a router?
A. Routing
B. Packet switching
C. Path determination
D. Frame switching
Correct Answer:
B
Chapter: 44
Q480:
What type of frame is likely to be used when a packet is forwarded out of a serial interface on a router?
A. Ethernet
B. FastEthernet
C. PPP (Point-to-Point Protocol)
D. Frame Relay
Correct Answer:
C