Resilience & DR

Multi-AZ** — redundancy within a region. RDS Multi-AZ: Used for failover uses synchronous replication to standby. Automatic failover via DNS. Not for read scaling.

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Practice questions

Generated from this module’s study material.

1. What best describes "Multi-AZ" in this context?

log aggregation, production-to-test replication.redundancy within a region. RDS Multi-AZ: Used for failover uses synchronous replication to standby. Automatic failover via DNS. Not for read scaling.bridge between on-premises and AWS cloud storage:Cold HDD. Cheapest. Infrequently accessed large data.

2. What best describes "Tape Gateway" in this context?

100 PB capacity. A truck. For exabyte-scale transfers.replace physical tape libraries. Virtual Tape Library backed by S3 and Glacier.back up data to S3/Glacier. Restore from scratch when disaster hits. Highest RTO, lowest cost.Provisioned IOPS SSD. High-performance DBs. io2 Block Express: up to 256,000 IOPS.

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