ACA-Database 무료 덤프문제 온라인 액세스

Which of the following are the core technologies behind Database Backup Service? (Number of correct answers: 3)

• A.Multi-cloud and multi-backend backup
• B.Online query and analysis
• C.High mount speeds (a few seconds)
• D.Real-time synchronization

How can ApsaraDB for MyBase solve problems in database security and performance interferences in the multi-tenant scenario?

• A.Isolated hosts are used. A host runs only your instances and does not run instances of other users.
• B.ApsaraDB for MyBase supports resource over commitment.
• C.Instances can be migrated. You can manually migrate instances to idle hosts.
• D.ApsaraDB for MyBase allows you to distribute different types of instances at a time.

Which of the following is the lowest recovery point objective (RPO) for Database Backup Service?

• A.Hours
• B.Minutes
• C.Days
• D.Seconds

Which of the following specifications of AnalyticDB supports tiered storage of cold and hot data?

• A.Elastic Mode
• B.Basic Edition
• C.C series
• D.S series

Which of the following features determines high performance of the performance-enhanced instances of ApsaraDB for Redis Enhanced Edition (Tair)?

• A.Extended data structure modules
• B.Global Replica
• C.Data flashback
• D.Multithreading