In the Scenario of Protecting the Database, the Slave Uses

question 404

Multiple Choice

In the scenario of protecting the database, the slave uses the virtual snapshot method to verify the services of the production end and the DR-side and discover the data of the DR on the disaster recovery end. What are the possible reasons that the library can not start normally? (Multiple choice.)

• A) After a snapshot of the LUN of the redundancy site is created, the snapshot is not activated at the same time.
• B) Disaster recovery side of the data stored in the cache, not yet written to the hard disk.
• C) When creating a snapshot on the disaster recovery end LUN, the production end is copying data to the disaster recovery end.
• D) The production end and disaster recovery end adopt the disaster recovery solution of incremental LUN copy, and the incremental data link is abnormal during the synchronization.

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Definitions:

Crystallized Intelligence

The ability to use knowledge, skills, and experience, which generally increases with age, contrasting with fluid intelligence.

Crystallized Intelligence

a form of intelligence that involves the ability to use learned knowledge and experience.

Fluid Intelligence

The capability to think logically and solve problems in novel situations, independent of acquired knowledge.

Fluid Intelligence

The ability to reason and tackle new problems using logic, without relying on previously learned information.