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TT0-201 · Question #160

How does the 3-bit User Priority field found in an 802.1q frame help voice quality in LAN-based communications?

The correct answer is B. It establishes classes of service on the LAN. See the full explanation below for the reasoning.

Question

How does the 3-bit User Priority field found in an 802.1q frame help voice quality in LAN-based communications?

Options

  • AIt allows wireless services to be established.
  • BIt establishes classes of service on the LAN.
  • CIt determines the MAC address for each system on the LAN.
  • DIt modifies the Realtime Protocol (RTP) traffic for QoS.

How the community answered

(42 responses)
  • A
    5% (2)
  • B
    71% (30)
  • C
    7% (3)
  • D
    17% (7)

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Full TT0-201 Practice