A DevOps network team is introducing Infrastructure as Code (IaC) to automate switch and firewall deployments across several branch offices. Which technology should they implement first to track every proposed configuration change, maintain a history of revisions, and enable rapid rollbacks when errors are detected?
A source control (version-control) system to manage configuration files
A high-performance Layer 3 switch to lower network latency
A next-generation firewall and IDS cluster for added security
A remote power-cycling console to physically manage devices
Version-control repositories such as Git store each revision of configuration files, record who made the change and when, and support branching, merging, and rollbacks. This collaborative history prevents accidental overwrites and provides an auditable trail-capabilities the other choices do not offer.
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