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Exam 350-601 topic 1 question 159 discussion

Actual exam question from Cisco's 350-601
Question #: 159
Topic #: 1
[All 350-601 Questions]

Which statement describes the MAC address that the FCoE Initialization Protocol chooses for use by an E-Node in an FCoE implementation?

  • A. The FCoE Initialization Protocol uses a 24-bit FC-MAP and concatenates a 24-bit Fibre Channel ID to create a fabric-provided MAC address.
  • B. The FCoE Initialization Protocol uses the burned-in MAC address of the converged network adapter for all FCoE operations.
  • C. FCoE does not use a MAC address. The FCoE Initialization Protocol is used to acquire a Fibre Channel ID, and the address is used for all FCoE communications in the same way as Fibre Channel Protocol.
  • D. The FCoE Initialization Protocol uses 01.00.0C as the first 24 bits of the MAC address and appends a 24-bit Fibre Channel ID to derive a full 48-bit FCoE MAC address.
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Suggested Answer: A 🗳️
FCoE uses a Fabric Provided MAC Address (FPMA) for SAN traffic. The ENode still gets a
24-bit FCID. FPMA is built by concatenating a 24-bit FCoE MAC address prefix (FC-MAP), ranging from 0x0E-FC-00 to 0x0E-FC-FF, to the 24-bit FCID, as shown in Figure 8-13.
Being able to build a unique MAC address for the ENode directly from its FCID saves the switch from having to maintain a table that associates FCID and MAC addresses.

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Rocky_Truth
9 months, 2 weeks ago
Selected Answer: A
Correct A
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