Oracle Cloud Infrastructure 2019 Developer Associate — Question 44

Which two are true for achieving High Availability on Oracle Cloud Infrastructure? (Choose two.)

Answer options

• A. Store your database across multiple regions so that half of the data resides in one region and the other half resides in another region.
• B. Attach your block volume form Availability Domain 1 to a compute instance in Availability Domain 2 (and vice versa) so that they are highly available.
• C. Configure your database to have Data Guard in another Availability Domain in Sync mode within a region.
• D. Store your database files on Object Storage so that they are available in all Availability Domains in all regions.
• E. Distribute your application servers across all Availability Domains within a region.

Correct answer: B, E

Explanation

Options B and E are correct because they both promote high availability by ensuring resources are not concentrated in a single Availability Domain, allowing for failover and redundancy. Option A is incorrect as it suggests splitting data across regions, which does not enhance availability within a region. Option C, while useful for replication, does not directly address high availability in multiple Availability Domains. Option D may not provide the same level of performance and redundancy as utilizing block storage in this context.