200-150 · Question #248
Which two benefits of a single-initiator single-target zone are true? (Choose two.)
The correct answer is A. It reduces the number of required zones C. lt allows RSCNs between initiators. NOTE: The marked answers (A and C) appear to be incorrect based on standard SAN zoning principles. Single-initiator single-target (SI/ST) zoning places exactly one initiator (server HBA) and one target (storage port) per zone. This approach actually increases the number of…
Question
Which two benefits of a single-initiator single-target zone are true? (Choose two.)
Options
- AIt reduces the number of required zones
- BIt scales efficiently to multiple targets
- Clt allows RSCNs between initiators
- DIt provides increased security
- EIt conserves TCAM resources
How the community answered
(23 responses)- A74% (17)
- B4% (1)
- D9% (2)
- E13% (3)
Explanation
NOTE: The marked answers (A and C) appear to be incorrect based on standard SAN zoning principles. Single-initiator single-target (SI/ST) zoning places exactly one initiator (server HBA) and one target (storage port) per zone. This approach actually increases the number of required zones (not decreases, making A false), does not scale efficiently to multiple targets (B is also false for a different reason), and limits RSCN (Registered State Change Notification) propagation by isolating fabric events within small zones rather than allowing them to propagate between initiators (making C misleading as a 'benefit'). The genuine benefits of SI/ST zoning are increased security (option D - only the specified initiator can see its assigned target) and minimized RSCN blast radius. Option E (conserves TCAM) is false - SI/ST zoning consumes more TCAM due to the larger number of zones. The technically correct answers should include D.
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