1Z0_068 questions • Exam prepare

Exam contains 149 questions

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Question 91 🔥

Which three statements are true concerning diagnostic components and requirements of Oracle 12c Clusterware? (Choose three.)

Which database solution meets these requirements?

A. There is one ologgered service for the cluster health monitor (CHM) on each cluster node regardless of cluster size.

B. The Grid Infrastructure Management Repository database must run on a hub node if Flex Clusters are used.

C. There is one osysmond service for the cluster health monitor (CHM) on each cluster node regardless of cluster size.

D. The oclumon utility may be used to get and set parameters for the cluster health monitor (CHM) repository.

E. The diagcollection.pl script must be run from the Grid home directory as the Grid infrastructure owner.

F. The clusterware log files are stored inside the Grid Infrastructure Management Repository database used by the cluster health monitor (CHM).

Discussion of the question

Question 92 🔥

Which two statements are true about Oracle Clustered ASM performance? (Choose two.)

Which database solution meets these requirements?

A. Data files, redo logs, and RMAN backup pieces must be stored in different ASM disk groups for optimal performance.

B. All ASM Disks belonging to a disk group should have the same hardware specifications and storage attributes for optimal performance.

C. To improve performance a database must have two disk groups; one for data and one for the fast recovery area.

D. Hardware-based mirroring combined with ASM mirroring guarantees optimal performance.

E. All ASM Disks belonging to a disk group should be of the same size for optimal performance.

Discussion of the question

Question 93 🔥

You must replace a failed disk that was dropped from a disk group.You want the rebalance operation to occur with minimal performance impact.Which two options exist to achieve this? (Choose two.)

Which database solution meets these requirements?

A. Make sure that the ASM_POWER_LIMIT parameter is set to 1 before rebalancing the disk group.

Highly voted

B. Increase the value of the DISK_REPAIR_TIME attribute for the disk group.

C. Use the WAIT clause with the ALTER DISKGROUP command.

D. Decrease the value of the DISK_REPAIR_TIME attribute for the disk group.

E. Set the POWER clause to 1 in the ALTER DISKGROUP command.

Highly voted

Discussion of the question

Question 94 🔥

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

Which database solution meets these requirements?

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

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

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

Discussion of the question

Question 95 🔥

Examine the output of the asmcmd and srvct1 commands:You execute this command:$ srvctl modify asm count 2All databases on the cluster are running from Oracle 12c homes.Which statement is true about the outcome of this command?

Which database solution meets these requirements?

A. One ASM instance is shut down and the instance count is reduced by one.

B. ASM instances continue running on all three nodes until all database instances connected to one of the ASM instances shut down.

C. The command fails because one ASM instance must be shut down manually before executing the command.

D. The command fails because the instance count cannot be reduced to less than the minimum value of 3.

Discussion of the question

Question 96 🔥

Disk group DGRP1 has these attributes:1. Normal redundancy2. Two failure groups FG1 and FG2 with two disks each3. Compatibility settings set to 12.1The FG1 failure group goes offline due to hardware failure.Which two statements are true? (Choose two.)

Which database solution meets these requirements?

A. The redundancy is lowered until the FG1 failgroup is restored and the disk group resynchronized.

B. New allocation units are mirrored in the FG2 failure group until FG1 is restored and the disk group resynchronized.

C. Transactions on database objects stored in tablespaces in the DGRP1 disk group fail.

D. New allocation units are not mirrored but changes to allocation units are tracked in the FG2 failure group.

Discussion of the question

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Exam contains 149 questions

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