1z0-078試験無料問題集（79題）「Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration 認定」

出題：1

Which two statements are true about High Availability NFS (HANFS)? (Choose two.)

A. HANFS does not depend on NFS services provided by the underlying operating system.

B. HANFS' performance depends on the characteristics of the underlying ASM disks.

C. NFS client requests are distributed by DNS in a round-robin fashion to the cluster nodes that export the NFS

D. HANFS provides high availability in case of an NFS client failure.

E. HANFS provides high availability in case of cluster node failure.

正解：B,E 解答を投票する

出題：2

You administer a six-instance, policy-managed, multitenant RAC database CDB1 with three PDBs: PDB_1,PDB_2, and PDB_3.
Server pool prod_pool has a cardinality of three and all six hosts of the cluster are up.
Examine these commands executed on HOST01:

Which two statements are true regarding the AR service? (Choose two.)

A. AR can fail over to any one of the available CD31 instances.

B. AR is available on any one available CDBl instance in prod pool at any one time.

C. AR runs as a singleton service in the server pool prod pool and the AR service is available in each of the CDBl instances.

D. AR can fail over to any other available CDBl instance in prod pool.

E. AR is available only on the CDBl instance on host01.

正解：B,D 解答を投票する

出題：3

Which three statements are true about ASM Cloud File System (ACFS) auditing? (Choose three.)

A. acfsutil audit purge can be run by an audit manager.

B. acfsutil audit init must be run by a system administrator.

C. Audit information gathered by each cluster node can be consolidated into the unified ACFS audit trail.

D. acfsutil audit archive must be used to archive audit files that are larger than 10 MB.

E. acfsutil audit read marks audit files to indicate that it is safe to purge them.

正解：A,B,C 解答を投票する

出題：4

Which statement describes the purpose of colocation_tag for client routing with Oracle database 19c?

A. When possible, clients with the same colocation_tag are routed to the same available instance even if a preferred instance is available.

B. When possible, clients with the same colocation_tag could be routed across a set of preferred instances based on a specific load balancing option.

C. When possible, clients with the same colocation_tag are routed to the same available instance when a preferred instance is not available.

D. When possible, clients with the same colocation_tag are routed to the same instance that offers a given service.

正解：D 解答を投票する

出題：5

Which three statements are true concerning activation of a user-defined policy in Oracle 19c Clusterware? (Choose three.)

A. When a policy is activated, nodes may be reassigned to server pools based on the policy definition.

B. When a policy is first created, it is initially inactive.

C. When a policy is first created, it is initially active.

D. When a policy is activated, resources can be automatically stopped to comply with the policy definition.

E. When a policy is activated, resources cannot be automatically started to comply with the policy definition.

F. An administrator-defined policy may be activated using the srvctl utility.

正解：B,D,F 解答を投票する

出題：6

Examine this query and output:

Performance analysis revealed severe SQ enqueue contention on the SEQ1 sequence.
The SEQ1 sequence is incremented from all instances equally and is frequently used.
Which two statements should you execute to reduce SQ enqueue contention? (Choose two.)

A. alter sequence seql order;

B. alter sequence seal cache 10000;

C. alter sequence seql noorder;

D. exec sys.dbms shared pool.keep('SEQ1','Q'>

E. alter sequence seql keep;

正解：B,C 解答を投票する

出題：7

A Java application using thick JDBC connections will soon be deployed, and you must configure a RAC database to support highly available connections.
Broken connections must be re-established as quickly as possible.
Which feature will support this requirement?

A. Fast Connection Failover (FCF) with Transparent Application Failover (TAF)

B. Transparent Application Failover (TAF)

C. Transparent Application Failover (TAF) using Fast Application Notification (FAN)

D. Fast Connection Failover (FCF)

正解：D 解答を投票する

出題：8

Which method should be used to convert a single-instance Oracle 19c Database to a RAC Database?

A. Using the rconfig utility to create a template from the single-instance database and then using dbca to create a RAC database on the cluster using that template

B. Using dbca to create a template from the single-instance database and then to create a RAC database on the cluster using that template

C. Using the rconfig utility to migrate the database to shared storage and then using dbca to start one or more RAC database instances on the cluster

D. Using dbca to migrate the database to shared storage and then to start one or more RAC database instances on the cluster

正解：D 解答を投票する

1z0-078試験無料問題集「Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration 認定」