Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Multiple Choice Questions
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
View Answer
C
Q472: What is a primary function of a router?
- A: Routing IP packets
- B: Switching frames
- C: Forwarding packets
- D: Managing traffic
View Answer
C
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
View Answer
C
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
View Answer
B
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
View Answer
B
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
View Answer
C
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
View Answer
C
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
View Answer
B
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
View Answer
B
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
View Answer
C