QuestionQ50

Operations

A DevOps engineer is carrying out maintenance on the mail servers for a company’s web application. This maintenance includes reviewing core operating-system updates. The servers currently run version 3.2 of the operating system. The engineer has two update choices—version 4.1 or version 3.7. Both versions are fully supported by the operating-system manufacturer. Which of the following best describes the action the engineer should take?

Explanation

Release notes identify upgrade prerequisites, compatibility considerations, deprecated features, and potentially breaking changes. Reviewing the release notes for the 4.1 major-version update is necessary before selecting an upgrade path or planning a production rollout.

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