The correct answer is D. Service-level objective. Here's why:
* Context of the Question: The organization wants to understand the term used in Site Reliability Engineering (SRE) for defining the desired level of reliability and performance.
* Google Cloud Product Relevance:
* A Service-Level Objective (SLO) is a key term in SRE, representing the target level of reliability or performance for a specific service. SLOs define acceptable levels of service in terms of availability, latency, or other performance metrics. They are used to set clear expectations and help measure whether services meet the desired reliability levels.
* SLOs are closely tied to Service-Level Agreements (SLAs) and Service-Level Indicators (SLIs), where SLIs measure specific aspects of service performance, and SLOs set the target levels based on those indicators.
* Why Not Other Options:
* A. Enhanced support: This is a support option for Google Cloud customers and is not related to SRE concepts.
* B. Scalable infrastructure: This refers to cloud infrastructure's ability to scale resources up or down but is not specific to reliability and performance metrics.
* C. Service-level indicator: An SLI measures a specific aspect of the service's performance but does not define the target level of performance.
Google Cloud Digital Leader References:
* Refer to the Site Reliability Engineering (SRE) documentation to learn more about SLOs, SLIs, and SLAs.