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Which three statements are true about services and load balancing for Oracle 19c clients connecting to Oracle 19c RAC database instances? (Choose three.)

A.

Services support the balancing of client connections across RAC database instances.

B.

In server-side load balancing, node listener redirects the client to another node listener for connection to an instance.

C.

Load balancing can be done by the client or the listener, but not both, for any one connection request.

D.

Client-side connect-time load balancing can balance connection requests across SCAN listeners.

E.

Load balancing can be done by the client, the listener, or both, for any one connection request.

Examine these descriptions of ASM instance shutdown behavior:

1) The ASM instance shuts down immediately without an orderly dismount of disk groups.

2) Active SQL statements are allowed to complete before an orderly dismount of all disk groups occurs and then the ASM instance shuts down without waiting for connected sessions to disconnect. If any ASM clients are connected to the instance, then the shutdown returns an error.

3) Active SQL statements are allowed to complete before an orderly dismount of all of disk groups occurs and then the ASM instance shuts down after waiting for connected sessions to disconnect. If any ASM clients are connected to the instance, then the shutdown returns an error.

Which two lists are correct matches for these descriptions? (Choose two.)

A.

2 = NORMAL, 3 = TRANSACTIONAL, 1 = ABORT

B.

2 = NORMAL, 3 = IMMEDIATE, 1 = ABORT

C.

3 = NORMAL, 2 = TRANSACTIONAL, 1 = ABORT

D.

3 = NORMAL, 2 = ABORT, 1 = IMMEDIATE

E.

3 = NORMAL, 2 = IMMEDIATE, 1 = ABORT

Which two actions guarantee that time is synchronized properly on all nodes in a cluster after installing Oracle Grid Infrastructure 19c? (Choose two.)

A.

If network time protocol (NTP) time servers are unreachable on any cluster node, then Oracle Cluster Time Synchronization Service (CTSSD) will start automatically in active mode when the clusterware is started.

B.

Configure network time protocol (NTP) on all cluster nodes, and then start the Oracle Cluster Time Synchronization Service (CTSSD) in active mode on all cluster nodes.

C.

If network time protocol (NJP) is not configured properly on all cluster nodes, then Oracle Cluster Time Synchronization Service (CTSSD) will start automatically in active mode when the clusterware is started.

D.

Configure network time protocol (NTP) on all cluster nodes; Oracle Cluster Time Synchronization Service (CTSSD) will then start automatically in observer mode when the clusterware is started.

E.

Deactivate network time protocol (NTP) on all cluster nodes; Oracle Cluster Time Synchronization Service (CTSSD) will then start automatically in active mode when the clusterware is started.