ISC2 Certified Cloud Security Professional (CCSP) Practice Question
Your company is a SaaS provider that stores sensitive customer records in two geographically separated data centers. A recent risk assessment sets a maximum recovery time objective (RTO) of 2 hours and a recovery point objective (RPO) of 15 minutes. Currently, the platform performs a full backup of all data to off-site object storage every night and relies on manually editing DNS records to point users to a passive standby site after an outage. Which single change would most directly help the service achieve the new continuity targets?
Implement synchronous cross-region replication and enable automated global traffic failover so clients are redirected within minutes when a site becomes unavailable.
Adopt infrastructure-as-code templates to recreate the entire environment quickly in an alternate region when a disaster is declared.
Deploy network-based intrusion detection systems in both data centers to detect and alert on malicious traffic.
Add hourly incremental backups and automated integrity checks to the existing nightly full-backup process.
A 2-hour RTO requires service restoration within that time, and a 15-minute RPO allows almost no data loss. Nightly full backups-even if supplemented with hourly incremental jobs-cannot ensure data currency within 15 minutes, and restoring terabytes of data plus manually updating DNS could exceed two hours. Infrastructure-as-code accelerates environment rebuilds but still depends on data recovery and manual cut-over. Network-based IDSs improve security, not continuity metrics. Synchronous (or near-synchronous) cross-region replication keeps both sites nearly identical in real time, and automated health-based global traffic failover can redirect users within seconds or minutes, satisfying both the RPO and RTO.
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ISC2 Certified Cloud Security Professional (CCSP)
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