How does virtual output queuing (VoQ) help switches avoid head-of-line blocking and enhance throughput?

Question

Options

• AIt divides each port ingress queue into different queues based on the priority and egress port of each packet
• BIt establishes a matrix of connections to multiple cross-bar switches within the switch backplane
• CIt considers traffic congestion, queues traffic, and informs the ingress port when it can use the crossbar
• DIt allows the ingress port to fragment packets and send the fragments in multiple queues over different crossbars

• A
  72% (21)
• B
  3% (1)
• C
  17% (5)
• D
  7% (2)

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