ITIL4F ITIL Service Value System Practice Question
A company offers a cloud storage service with a guaranteed uptime of 99.9% and data encryption at rest. A customer reports that the service is unavailable due to a server outage. According to ITIL 4, the service is failing to meet which aspect of service?
⚠ Common exam trap
Many candidates confuse 'Utility' (what the service does, like encryption) with 'Warranty' (how it is delivered, like uptime), because both are mentioned in the scenario, but the outage specifically tests the warranty aspect of availability.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Warranty
The customer reports that the service is unavailable due to a server outage, which means the service is not accessible when needed. In ITIL 4, Warranty refers to the assurance that a service will meet agreed-upon conditions such as availability, capacity, continuity, and security. A guaranteed uptime of 99.9% is a warranty promise, and an outage causing unavailability directly violates that warranty, not the utility (which is about functionality).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Output
Why it's wrong here
An output is a tangible or intangible deliverable of an activity, such as a report, a processed transaction, or a specific feature. While a service produces outputs, the *availability* of the service itself, which is what an outage impacts, is not an output but rather a characteristic of the service's performance. Therefore, an outage directly affects the service's ability to deliver its promised characteristics, not the nature of the outputs themselves.
- ✗
Utility
Why it's wrong here
Utility refers to the functionality offered by a service to meet a particular need, describing what the service *does* and whether it is "fit for purpose." For a cloud storage service, its utility includes the ability to store, retrieve, and share files. An outage does not typically change the *functionality* the service is designed to provide, but rather prevents users from accessing that functionality, making it "unfit for use" temporarily.
- ✗
Outcome
Why it's wrong here
An outcome is a result achieved by a stakeholder, enabled by the use of a service, that contributes to their objectives. For a cloud storage service, an outcome might be "employees can collaborate efficiently on documents." While an outage certainly *hinders* the achievement of desired outcomes, the outage itself is a failure of a service attribute (availability), not an outcome in its own right. Outcomes are the *results* of service consumption, not the characteristics of the service itself.
- ✓
Warranty
Why this is correct
Warranty refers to the assurance that a service will meet agreed-upon requirements, often described as "fit for use." This includes aspects like availability, capacity, security, and continuity. A guaranteed uptime for a cloud storage service is a direct component of its availability, and thus falls under warranty. An outage directly violates this guarantee, demonstrating a failure in the service's warranty to be available as promised.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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