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200-155 · Question #97

What native Fibre Channel technology facilitates connecting multiple Fibre Channel devices behind a single FC address?

The correct answer is C. Fibre Channel Arbitrary Loop. Fibre Channel Arbitrated Loop (FC-AL) is a native Fibre Channel technology that allows multiple devices to share a single physical loop connection.

Cisco MDS Storage Platforms

Question

What native Fibre Channel technology facilitates connecting multiple Fibre Channel devices behind a single FC address?

Options

  • AN-Port Virtualization
  • BN-Port Identification Virtualization
  • CFibre Channel Arbitrary Loop
  • DFiber Channel over Ethernet

How the community answered

(46 responses)
  • A
    4% (2)
  • B
    2% (1)
  • C
    93% (43)

Why each option

Fibre Channel Arbitrated Loop (FC-AL) is a native Fibre Channel technology that allows multiple devices to share a single physical loop connection.

AN-Port Virtualization

N-Port Virtualization (NPV) allows a Fibre Channel switch to operate like a host HBA, passing traffic to an upstream switch without consuming a domain ID, rather than consolidating multiple end devices behind a single FC address.

BN-Port Identification Virtualization

N-Port Identification Virtualization (NPIV) enables a single physical HBA port to register multiple unique World Wide Port Names (WWPNs) with a Fibre Channel switch, granting each virtual machine its own distinct FC address, not a single shared one.

CFibre Channel Arbitrary LoopCorrect

Fibre Channel Arbitrated Loop (FC-AL) is a shared-access Fibre Channel topology where multiple devices connect in a loop. When this loop is connected to a Fibre Channel fabric via an FL_Port, all devices on the loop effectively communicate through that single fabric port, appearing collectively 'behind' that connection point.

DFiber Channel over Ethernet

Fibre Channel over Ethernet (FCoE) is a protocol that encapsulates Fibre Channel frames within Ethernet frames to run over Ethernet networks, which is not a native FC technology for consolidating addresses.

Concept tested: Fibre Channel Arbitrated Loop (FC-AL) function

Source: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/5_2/configuration/guide/cli/cli_fcal.html

Topics

#Fibre Channel#FC-AL#storage networking#multiple devices

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