ISC2 Certified Cloud Security Professional (CCSP) Practice Question

A cloud security professional must integrate availability-management controls for a revenue-critical SaaS workload that runs on ten Linux VMs spread evenly across two availability zones. The business guarantees 99.95 % monthly uptime and insists that weekly OS security patches be applied without causing customer-visible outages. Which action best satisfies the availability objective while still allowing timely patching?

  • Use rolling updates with the auto-scaling group so only a subset of instances is taken out of service at a time and traffic is routed to healthy nodes in both zones.

  • Migrate the workload to a single larger virtual machine with live kernel-patching enabled to avoid reboots during updates.

  • Perform in-place patching on all instances simultaneously during a weekly two-hour maintenance window when traffic is historically low.

  • Install host-based intrusion-detection agents on every virtual machine to alert on missing patches.

ISC2 Certified Cloud Security Professional (CCSP)
Cloud Security Operations
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