Which statement about RAC services is correct?

Question

Options

• ASYS$BACKGROUND and SYS$USERS are external services.
• BInternal services can be deleted.
• CServices are logical abstractions for managing workloads in Oracle Database.
• DEvery service has N-2 cluster resources (where N is the number of RAC instances).

• A
  6% (2)
• B
  3% (1)
• C
  73% (24)
• D
  18% (6)

Explanation

A service is a logical grouping of sessions performing similar kind of work. They enable you to group database workloads and route work to the optimal instances that are assigned to offer the service.It is recommended that all the users who connect using a service have the same service- level requirements. We can use services to manage workloads or a group of applications. For example , all on-line users can use one service whereas batch users can use another service and reporting can use yet another service.

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