Comprehensive and Detailed In-Depth Explanation:
Reliability in service quality refers to the consistent and dependable delivery of promised services.
ISO 9001:2015 emphasizes reliability through:
Clause 8.2.1 (Customer Communication) – Ensuring clarity in service commitments.
Clause 8.5.1 (Control of Service Provision) – Ensuring processes meet requirements consistently.
Other options do not fully define reliability:
Option A (Safe services) relates to safety, not reliability.
Option B (Readiness and goodwill) relates to responsiveness, not reliability.
Option D (Low cost) focuses on pricing, not quality.
[Reference:, ISO 9001:2015, Clause 8.2.1 – Customer Communication, ISO 9001:2015, Clause 8.5.1 – Control of Service Provision, , , , ]
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