ITIL4F ITIL Service Value System Practice Question
A cloud service provider guarantees 99.99% uptime for its infrastructure. According to ITIL 4, which aspect of service is being addressed?
⚠ Common exam trap
Watch out — candidates often confuse utility (what the service does) with warranty (how well it is delivered), often selecting utility because they think uptime is a feature of the service rather than a guarantee of its reliability.
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
Warranty in ITIL 4 refers to the assurance that a service will meet agreed-upon availability, capacity, continuity, and security requirements. A 99.99% uptime guarantee directly addresses the availability aspect of warranty, ensuring the service is reliable and accessible as promised.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Outcome
Why it's wrong here
An outcome represents the result achieved by a stakeholder, enabled by the use of a service. While a highly available service (like one with 99.99% uptime) can certainly contribute to positive business outcomes, the uptime guarantee itself is a characteristic of the service's performance, not the ultimate business result or benefit that the consumer realizes. The outcome is what the customer *achieves* because the service is available, not the availability promise itself.
- ✗
Output
Why it's wrong here
An output is a tangible or intangible deliverable produced by an activity. Examples include a processed transaction, a report, or a specific feature of a product. A 99.99% uptime guarantee is a service level commitment or a characteristic of the service's reliability and performance, not a direct deliverable or a specific item produced by the service. It describes *how* the service will be delivered, rather than *what* it delivers.
- ✗
Utility
Why it's wrong here
Utility refers to the functionality offered by a service to meet a particular need; it describes what the service *does* and whether it is 'fit for purpose'. While a service must be available to be useful, the 99.99% uptime guarantee specifically addresses the service's performance and reliability, ensuring it meets agreed requirements for availability. This aspect of 'how the service performs' falls under 'fit for use', rather than the core functionality of 'what the service does'.
- ✓
Warranty
Why this is correct
Warranty assures that a service will meet agreed requirements, ensuring it is 'fit for use'. This includes aspects such as availability, capacity, continuity, and security. A cloud service provider's guarantee of 99.99% uptime directly specifies the availability component of the service, promising a certain level of performance and reliability. This commitment directly addresses whether the service will consistently perform as expected, making it a clear example of warranty.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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