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200-150 · Question #193

Which statement accurately describes the Single initiator Target zone model?

The correct answer is D. One initiator HBA card connects to one disk controller.. The Single Initiator Target zone model defines a SAN zone in which one initiator HBA card is connected to one target disk controller, providing controlled and isolated access at the adapter level.

Cisco Data Center Storage

Question

Which statement accurately describes the Single initiator Target zone model?

Options

  • AOne initiator node connects to one SAN array.
  • BOne initiator HBA port connects to one disk controller
  • COne initiator node connects to one SAN fabric.
  • DOne initiator HBA card connects to one disk controller.

How the community answered

(59 responses)
  • A
    2% (1)
  • B
    7% (4)
  • C
    5% (3)
  • D
    86% (51)

Why each option

The Single Initiator Target zone model defines a SAN zone in which one initiator HBA card is connected to one target disk controller, providing controlled and isolated access at the adapter level.

AOne initiator node connects to one SAN array.

Connecting an initiator node to an entire SAN array is too broad and describes connectivity to a whole storage system rather than the specific HBA-to-controller relationship that defines this zone model.

BOne initiator HBA port connects to one disk controller

Specifying an HBA port (a single port) connecting to a disk controller describes a more granular Single Initiator Single Target (SIST) port-level zoning model, not the card-level Single Initiator Target model.

COne initiator node connects to one SAN fabric.

Connecting an initiator node to a SAN fabric describes fabric membership, which is a network topology concept and not a zoning model that governs initiator-to-target communication paths.

DOne initiator HBA card connects to one disk controller.Correct

In the Single Initiator Target model, a complete initiator HBA card (which may contain multiple ports) is zoned to communicate exclusively with one disk controller, establishing a clear access boundary at the adapter level that simplifies management, access control, and fault isolation within the SAN fabric.

Concept tested: SAN zoning - Single Initiator Target model definition

Source: https://www.cisco.com/c/en/us/td/docs/storage/san_switches/mds9000/sw/rel_8_x/config/guide/b_Cisco_MDS_9000_NX-OS_FC_Alias_and_Zone_Configuration_Guide_8x/b_Cisco_MDS_9000_NX-OS_FC_Alias_and_Zone_Configuration_Guide_8x_chapter_010.html

Topics

#SAN zoning#single initiator target#HBA port#disk controller

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