[2026] Oracle Real Application Clusters 12c Essentials

문제1

Consider the server pools configured in the following scenario.There are no servers inthecluster, and all server pools are empty.

When server1 joins the cluster, it will be assigned to...

A. sp2 and sp2_1

B. sp3

C. sp2 and sp2_2

D. sp2, sp2_1,and sp2_2

E. sp1

F. sp2

정답: A

문제2

In a clustered Oracle ASM environment, a diskgroup is mounted in restricted mode. Which
statement is correct?

A. You can mount the disk group on all the nodes.

B. You know that nobody is using the disk group, so you can perform a fast rebalancing on the disk group.

C. You can open the database on this disk group only in restricted mode.

D. You can open the database located on this disk group only in standalone mode.

E. You can issue any command, as long as you are using the force option.

정답: B

문제3

Which statement about ACFS and ADVM under Flex ASM is incorrect?

A. Administrators can shut down the ADVM proxy if ACFS is not running on the node.

B. The ADVM proxy instance has its ORACLE_SID set to +APX<node number>.

C. The ADVM proxy instance is configured on all Hub and Leaf nodes in a Flex cluster.

D. An ADVM proxy instance must run on the same node as ADVM and ACFS.

E. ADVM proxy instance is required for ADVM and ACFS to connect to flex ASM.

정답: C

문제4

You want to add host03 to a Flexcluster.In which order will you execute these commands?
1.[grid@host01]$ cluvfy stage -post hwos -n host03 2.[grid@host01]$ cluvfy comp peer -refnode host01 -n host03 -orainv oinstall -osdba 3.[grid@host01]$ cluvfy stage -pre nodeadd -n host03 -fixup 4.[grid@host01]$ cluvfy stage -post nodeadd -n host03 -verbose 5.[grid@host01]$ oclumon manage -get resize
6.[grid@host01]$ ./addnode.sh -silent"CLUSTER_NEW_NODES=(hosr03)"
"CLUSTER_NEW_VIRTUAL_HOSTNAMES=(host03-vip,)" "CLUSTER_NEW_NODE_ROLES=(hub1leaf)"

A. 1, 2, 5, 3, 6, 4

B. 3, 6, 5, 1, 2, 4

C. 1, 2, 3, 4, 5, 6

D. 5, 6, 3, 1, 4, 2

E. 3, 5, 6, 2, 1, 4

정답: A

문제5

The DISK_REPAIR_TIME attribute has expired after a transient disk error. What happens next?

A. Oracle ASM drops the disk.

B. Nothing, it was only a warning. All the disks are OK

C. This means that Oracle will use ASM Fast Mirror Resync to sync the rest of the disks.

D. This means that the disk is repaired and is put backinthe ASM disk group.

정답: A

문제6

A node isevicted from a three-node cluster due to poor latency of the underlying storage Which two statements arecorrectin describing the instancerecovery process?

A. Upon startup of failed instance,the SMON process performs instance crash recovery by using checkpoints to determine which data needs to be append to data files.

B. Upon startup, the SMON/LMS processes perform instance crash recovery.

C. Upon startup, PMON (process monitor) performs instance crashrecovery automatically User intervention is not required

D. Perform a restore of archive redo from flashrecovery area to recover database

E. User intervention is not required.

정답: A,E

문제7

The Flex ASM instancesinyour four-node cluster currently have a cardinality of two.Identify the correct command that willchange the cardinality to three:

A. $srvctlmodify flex count = 3

B. $srvctlupdate asm -count=3

C. $srvctlmodify asm -count 3

D. $ srvctlmodify asm -cardinality 3

정답: C

문제8

You are building a new 12c cluster to accommodate the upcoming projects.You arecurrently working with the networkadmin team to define the requirementsneeded. Currently, thenetworkteam wouldlike to get cleared on the protocols beingused by the various network interface needed. Which three statements about Clusterware communication are correct?

A. There is no mandatory requirement for the protocol being supported for bothprivate and public interfaces.Oracle RAC andClusterware aulomatically detect and support any current standard industry protocol

B. For the private network, the interface must support the user datagram protocol (UDP) using high speed network adapters and switches that support TCP/IP. This holds true inthe Linux/Unix environment.

C. For the publicnetwork, each network adapter needs tosupport only UDP, which provides lowlatency.This requirement holds true for both MicrosoftWindows and Linux/Unixenvironments

D. For the public network, each network adapter must support TCP/IP. This requirement holds true for both Microsoft Windows and Linux/Unix environments

E. For the private network,thenetworkadapters must use high-speed network adapters and switches that support TCP/IP. This requirement holds true inthe Microsoft Windows environment

정답: B,D,E

문제9

You want to change an existingOracle Clusterware standard Cluster to an Oracle Flex Cluster Thereis Grid Naming Service (GNS) and Flex ASM configured right now.In what order do you need to take the following steps?
1.StopOracle Clusterware 2.Determine the current mode of thecluster 3.Ensure that the GNSisconfigured with a fixed VIP. 4.Change the mode of the cluster to be an Oracle Flex Cluster. 5.Use theOracle Automatic Storage Management Configuration Assistant (ASMCA) to
enable Oracle Flex ASMinthe cluster 6.Start Oracle Clusterware

A. 2,3,5, 4, 1,6

B. 1,2,3,5,4,6

C. 1, 2,3, 4,5,6

D. 2,3,4,5,1,6

정답: D

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