Cisco
350-029 · Question #140
What is the importance of using Virtual Output Queues on ingress Line Cards in a high-end router?
The correct answer is A. Prevents head-of-line blocking. The 12000 uses virtual output queues to eliminate the Head of Line Blocking within the switch
Quality of Service (QoS)
Question
What is the importance of using Virtual Output Queues on ingress Line Cards in a high-end router?
Options
- APrevents head-of-line blocking
- BUses less memory
- CIncreases forwarding performance
- DSimplifies configuration
How the community answered
(25 responses)- A84% (21)
- B8% (2)
- C4% (1)
- D4% (1)
Explanation
The 12000 uses virtual output queues to eliminate the Head of Line Blocking within the switch
Topics
#VOQ#head-of-line blocking#ingress queuing#router architecture
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