High Availability and Disaster Recovery Flashcards
6 cards from real Google Cloud Certified - Professional Cloud Architect practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 High Availability and Disaster Recovery flashcards as text
Which GCP service provides managed backup, disaster recovery, and application consistent backups for Compute Engine, SQL, and VMware workloads?
Answer: Google Cloud Backup and DR Service
Google Cloud Backup and DR Service is a centralized, managed solution providing application-consistent backups for GCE, databases, and VMware.
A financial company needs an RTO of less than 15 minutes for their GCP-hosted trading platform. Which architecture best achieves this?
Answer: Hot standby in a second region with automated health-check-driven failover
A hot standby with automated failover enables sub-minute failover detection and traffic rerouting, well within a 15-minute RTO.
What is the benefit of using regional Persistent Disks in Google Compute Engine?
Answer: Synchronous replication across two zones for higher durability and availability
Regional Persistent Disks replicate data synchronously across two zones in a region, providing resilience against single-zone failures.
A company experiences a GCP regional outage affecting their primary Cloud SQL instance. Their cross-region replica is in us-west1. What must they do to use it?
Answer: Manually promote the cross-region replica to a standalone primary instance
Cross-region read replicas must be manually promoted to standalone primary instances — they do not automatically failover like HA replicas.
Which GCP multi-region option for Cloud Storage ensures data is stored redundantly across at least two geographic regions?
Answer: Dual-region or Multi-region location
Dual-region and multi-region Cloud Storage locations replicate data across geographically separated regions for highest durability and availability.
What does the term 'error budget' mean in the context of SRE practices on GCP?
Answer: The allowable amount of downtime or failures before an SLO is breached
The error budget is the amount of unreliability (downtime, errors) that is acceptable within a given period before breaching the SLO.
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