ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Practice Question
Your team hosts a private Git repository for a payment-processing microservice. Management wants assurance that only reviewed and authenticated code can reach the main branch, reducing the likelihood of malicious injections. Which repository control BEST accomplishes this requirement?
Schedule hourly off-site backups of repository mirrors to immutable storage.
Enable Git Large File Storage (LFS) to store binaries outside the repository.
Allow force-push access to the main branch for repository administrators to expedite hotfixes.
Require GPG-signed commits and enforce a protected branch that only allows merges after two peer pull-request reviews.
Requiring cryptographically signed commits proves that the code came from an authorized developer, while a protected branch with mandatory pull-request reviews ensures that changes cannot be merged without peer inspection. Together, these measures block unauthorized code or silent modifications. Large File Storage affects only binary handling, backups protect availability rather than integrity, and allowing force-pushes increases rather than reduces the risk of unreviewed or tampered code reaching production.
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What is a GPG-signed commit?
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How do protected branches enhance repository security?
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Why are pull-request (PR) reviews crucial in secure software development?
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What is a GPG-signed commit?
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What does a 'protected branch' mean?
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Why are peer pull-request reviews mandatory for secure repositories?
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ISC2 Certified Secure Software Lifecycle Professional (CSSLP)
Secure Software Supply Chain
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