Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Multiple Choice Questions
Q1841: Fill in the blank: The default value for the Forward Delay field in a BPDU frame is _______ seconds for each state.
- A: 4
- B: 10
- C: 15
- D: 20
View Answer
C
Q1842: What is the purpose of the Topology Change Acknowledgment (TCA) bit in a BPDU frame?
- A: To acknowledge receipt of a configuration message with the TC bit set
- B: To signal a topology change in the network
- C: To indicate the root bridge ID
- D: To define the message type
View Answer
A
Q1843: Fill in the blank: The default Max Age value for a BPDU frame is _______ seconds.
- A: 6
- B: 15
- C: 20
- D: 40
View Answer
C
Q1844: What field in a BPDU frame helps detect and correct loops created by multiple attached bridges?
- A: Port ID
- B: Root ID
- C: Cost of path
- D: Message Age
View Answer
A
Q1845: By default, how often are BPDU frames sent after a switch is booted?
- A: Every 1 second
- B: Every 2 seconds
- C: Every 5 seconds
- D: Every 10 seconds
View Answer
B
Q1846: Fill in the blank: If the root ID in a received BPDU is _______ than the local root ID, the switch updates its local root ID.
- A: higher
- B: lower
- C: equal
- D: unavailable
View Answer
B
Q1847: What does the path cost update in a BPDU frame indicate?
- A: The distance from the switch to the root bridge
- B: The time since the last BPDU frame was sent
- C: The number of ports on the switch
- D: The MAC address of the root bridge
View Answer
A
Q1848: Fill in the blank: After a root ID update, all subsequent BPDU frames from a switch contain the new _______ and updated path cost.
- A: path cost
- B: root ID
- C: priority
- D: MAC address
View Answer
B
Q1849: What field in a BPDU frame helps determine the root bridge based on the lowest value?
- A: Bridge Priority
- B: Extended System ID
- C: MAC Address
- D: Path Cost
View Answer
C
Q1850: Fill in the blank: The extended system ID in a BPDU frame is used to include _______ information.
- A: VLAN
- B: switch
- C: MAC address
- D: root bridge
View Answer
A