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SG0-001 · Question #313

Which two (2) processes occur during a fabric merge? (Choose two.)

The correct answer is B. zone set passing D. name server communication. During a Fibre Channel fabric merge, the active zone set information is synchronized across switches, and the name server databases are updated with new device registrations.

Storage Connectivity

Question

Which two (2) processes occur during a fabric merge? (Choose two.)

Options

  • ATOV negotiation
  • Bzone set passing
  • CFSPF trunk negotiation
  • Dname server communication
  • Esubordinate switch negotiation

How the community answered

(51 responses)
  • A
    2% (1)
  • B
    92% (47)
  • C
    4% (2)
  • E
    2% (1)

Why each option

During a Fibre Channel fabric merge, the active zone set information is synchronized across switches, and the name server databases are updated with new device registrations.

ATOV negotiation

TOV (Time Out Value) negotiation relates to fabric initialization and stability, but is not a distinct, primary process of a fabric merge in the same way zone set synchronization and name server updates are.

Bzone set passingCorrect

During a fabric merge, the principal switch broadcasts its zone set information to all switches, ensuring a consistent zoning policy across the merged fabric. This includes the active zone set passing from the principal switch to other switches to enforce access rules.

CFSPF trunk negotiation

FSPF (Fabric Shortest Path First) is a routing protocol that converges after a merge, but 'FSPF trunk negotiation' is not a specific process that occurs during the fabric merge itself.

Dname server communicationCorrect

Name server communication is critical during a fabric merge as switches exchange information about registered devices (N_Ports, F_Ports) to build a unified name server database for the entire fabric. This allows devices in the newly merged fabric to discover and communicate with each other correctly.

Esubordinate switch negotiation

Subordinate switch negotiation is an aspect of principal switch election, where switches establish roles, but it is not a specific process that occurs during a fabric merge.

Concept tested: Fibre Channel fabric merge processes

Source: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/4_1/configuration/guides/zoning/zoning_41_cg/zoning_merge.html

Topics

#fabric merge#Fibre Channel#zone set#name server communication

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