Cisco 200-125 Exam

Which two of these are characteristics of the 802.1Q protocol? (Choose two.)

  • A. It modifies the 802.3 frame header, and thus requires that the FCS be recomputed.
  • B. It is used exclusively for tagging VLAN frames and does not address network reconvergence following switched network topology changes.
  • C. It is a Layer 2 messaging protocol which maintains VLAN configurations across networks.
  • D. It is a trunking protocol capable of carrying untagged frames.
  • E. It includes an 8-bit field which specifies the priority of a frame.
Answer: Option A. D.
Explanation: 
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