What is a best practice for Capacity Management?

Question

Options

• AA Capacity plan documenting the actual performance and the expected requirements should
• BDecisions about service provision should be based on cost effectiveness comparisons.
• CThe resilience of the infrastructure components should be measured and included in the
• DThe Service Catalog should be maintained and kept up-to-date.

• A
  75% (36)
• B
  15% (7)
• C
  8% (4)
• D
  2% (1)

Explanation

Maintaining a Capacity Plan that documents actual performance alongside expected future requirements is the cornerstone of Capacity Management because it gives IT teams a structured, evidence-based way to anticipate and respond to demand - preventing both over-provisioning (waste) and under-provisioning (outages). Without this documented baseline and forecast, capacity decisions become reactive guesswork.

Why the distractors are wrong:

• B is wrong because while cost-effectiveness matters, Capacity Management decisions are driven primarily by performance and demand data, not cost comparisons alone - that framing better fits Financial Management or portfolio decisions.
• C is wrong because measuring infrastructure resilience is the domain of Availability Management, not Capacity Management, even though the two processes collaborate closely.
• D is wrong because maintaining the Service Catalog is a best practice for Service Catalog Management - a completely separate ITIL process.

Memory tip: Think of Capacity Management as the process that answers "Do we have enough, and will we have enough tomorrow?" The Capacity Plan is how you answer that question with data. If an answer choice sounds like it belongs to Availability, Financial, or Catalog Management, it's a distractor.

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