Oracle Real Application Clusters 12c Essentials v8.0 (1z0-432)

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Total 85 questions

On a new OracleGrid Infrastructure 12cR1 system,you notice that Oracle Flex ASM has been configured.Which two reasons are valid for configuring Grid Infrastructureinthis manner?

  • A. Increased highavailability of database instances
  • B. Simple gridinfrastructure configuration and easiermaintenance
  • C. Increased spare memory on reserved nodes
  • D. Better performance for the underlying storage hardware


Answer : A,B

Which statement about Allocation Units is incorrect?

  • A. Every Oracle ASM disk is divided into allocation units(AUs)
  • B. An AU is the fundamental unit of allocation within a diskgroup
  • C. A file extent consists of one or moreAUs
  • D. The au size disk group attribute can have the following values; 1, 8, 16, 32, 64, or 128 MB.


Answer : D

Which tasks andinwhich order must be performed, before you can change the mode of a standard cluster to Flex?

  • A. 1.The node role must be set for each nodeinthe cluster. 2. You must ensure that the GNS is configured with a fixed VIP. 3.Flex ASM must be enabled for the cluster. 4.Clusterware must be started on each node.
  • B. 1.Clusterware must be stopped on each node. 2.You must set the Flex ASM cardinality. 3.Flex ASM must be enabled for the cluster. 4.Clusterware must be started on each node.
  • C. 1.You must ensure that the GNS is configured with a fixed VIP. 2.Flex ASM must be enabled for the cluster. 3.Clusterware must be stopped on each node. 4. Clusterware must be started on each node.
  • D. 1.Clusterware must be stopped on each node. 2.New Application VIPs must be created 3.You must ensure that the GNS is configured with a fixed VIP 4.Clusterware must be started on each node.


Answer : C

Which statement about the AU_SIZE disk group attribute is incorrect?

  • A. It specifies the size of the allocation unit for a disk group.
  • B. It can be changed at anytime for any disk group.
  • C. You can view the value of thisattributeintheALLOCATION_UNIT_SIZE column of theV$ASM_DISKGROUP view
  • D. The default sizeis 1 MB.


Answer : B

Which new syntax has been introduced in ASM release 12cR1?

  • A. Alter diskgroup DATA replace disk data_0001 with '/dev/disk02';
  • B. Alterdiskgroup DATAoffline quorum disk data_0001 drop after 1 m;
  • C. Alterdiskgroup DATA set ownership owner = oracle for file '/dev/disk02';
  • D. Alter diskgroup DATA drop disk '/dev/disk02' force;


Answer : A

Identify three characteristics of a RAC 12cR1service.

  • A. Service Time Service name
  • B. Instance Preference
  • C. Server Pool Assignment
  • D. Database Edition
  • E. Cloud Policy


Answer : B,C,D

You want to convert an Oracle Clusterware Standard Cluster to an Oracle Flex Cluster.
Which commands will you execute?

A)crsct1 config gns -
crsct1 add gns vip myvip| IP address
srvct1 stop cluster node mynode
srvct1 modify cluster node flex
B)srvct1 get cluster mode status
# if GNS not configured then must be configured with a fixed VIP find GNS status srvct1 set config gns srvct convert cluster mode flex
C)crsct1 get cluster mode status
# if GNS not configured then must be configured with a fixed VIP find GNS status srvct1 config gns crsct1 set clustermode flex crsct1 stop crs crsct1 start crs -wait

D)crsct1 set clusterware hub -
crsct1 set clustermode flex
srvct1 show cluster mode status

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D


Answer : C

Which code must youuse to increase the cardinality of the ASM inthe cluster?
A)[root@o16r02 bin]# ./srvct1 add asm count 1
[root@o16r02 bin]# ./srvct1 modify asm

ASM home: /u01/app/12.1.0/grid -

Password file: +DATA/orapwASM -

ASM listener: LISTENER -

ASM instance count: 1 -
Cluster ASM listener: ASMNETILSNR_ASM
B)[root@o16r02 bin]# ./crvct1modifyasm count 1
[root@o16r02 bin]# ./crvct1addasm

ASM home: /u01/app/12.1.0/grid -

Password file: +DATA/orapwASM -

ASM listener: LISTENER -

ASM instance count: 1 -
Cluster ASM listener: ASMNETILSNR_ASM
C)[root@o16r02 bin]# ./srvct1 modify asm count 1
[root@o16r02 bin]# ./srvct1 config asm

ASM home: /u01/app/12.1.0/grid -

Password file: +DATA/orapwASM -

ASM listener: LISTENER -

ASM instance count: 1 -
Cluster ASM listener: ASMNETILSNR_ASM
D)[root@o16r02 bin]# ./crvct1 modify asm count 1
[root@o16r02 bin]# ./srvct1 config asm

ASM home: /u01/app/12.1.0/grid -

Password file: +DATA/orapwASM -

ASM listener: LISTENER -

ASM instance count: 1 -
Cluster ASM listener: ASMNETILSNR_ASM

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D


Answer : C

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

  • A. ADVM proxy instance is required for ADVM and ACFS to connect to flex ASM.
  • B. An ADVM proxy instance must run on the same node as ADVM and ACFS.
  • C. The ADVM proxy instance is configured on all Hub and Leaf nodes in a Flex cluster.
  • D. The ADVM proxy instance has its ORACLE_SID set to +APX<node number>.
  • E. Administrators can shut down the ADVM proxy if ACFS is not running on the node.


Answer : C

Which statement about multipathing is incorrect?

  • A. Multipathing solutions provide failover by using redundant physical path components
  • B. Multipathing is a software technology implemented at the operating system device level
  • C. Multipathing improves system performance by distributing theI/0 load across all available paths.
  • D. Multipathingis automatically configured when Oracle ASM discovers multiple paths to the same disk space.


Answer : D

Identifythecorrectsrvct1commandto add thecrm01 instanceto the COB RAC
12cR1databasecrm onthe gm01node.

  • A. Srvct1add cdb instance–dbcrm -instance crm01 -node gm01
  • B. Srvct1add instance–dbcrm -instance crm01 -node gm01
  • C. Srvct1add non-cdb instance–dbcrm -instance crm01 -node gm01
  • D. Srvct1add pdb instance–dbcrm -instance crm01 -node gm01


Answer : B

Oracle 12cR1 Flex Cluster introduces a new topology, which allows for a higher level of scalability. Which four statements accurately describe the new topology's properties?

  • A. Hub and Leaf topologies allow tightly and loosely coupled server membership
  • B. Hub and Leaf topologies supportimplicit Server Pools.
  • C. Leaf servers are standard as in previousversions.
  • D. Leaf servers arelight-weight, no shared storage, no peer-to-peer communication and dedicatedtoapplication service.
  • E. Hub servers do not support Oracle ASM.
  • F. Oracle Flex Cluster 12cR1 supports bare metal and OVM serversincommon cluster


Answer : A,B,D,F

Which three statements best describe how Oracle ACFS takes advantage of Oracle ASM?

  • A. File systems can be dynamically resized.
  • B. Performance can be maximized through direct access to Oracle ASM disk groups.
  • C. Oracle ACFS maximizes availability through a dedicated path on the Cluster Interconnect.
  • D. Data reliability in Oracle ACFS is enhanced by Oracle ASM mirroring.
  • E. All file systems are mirrored across Oracle ASM Disk Groups to increase reliability.


Answer : A,B,D

The ACFS volume that contains video data needs a snapshot before a bulk load.Which creates a snapshot?

  • A. $ acfsutil snap create snapshot_before_ load /adsmount/ads_vol1
  • B. $ acfsutil create snap snapshot_before_load /adsmount/ads_voll
  • C. $ acfsutil-c -s snapshot_before_load /adsmount/ads_vol1
  • D. $ acfsutil-s -1 snapshot_before_load -v /adsmount/ads_vol1


Answer : A

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 silentCLUSTER_NEW_NODES=(hosr03)
CLUSTER_NEW_VIRTUAL_HOSTNAMES=(host03-vip,)
CLUSTER_NEW_NODE_ROLES=(hub1leaf)

  • A. 1, 2, 3, 4, 5, 6
  • B. 1, 2, 5, 3, 6, 4
  • C. 3, 5, 6, 2, 1, 4
  • D. 3, 6, 5, 1, 2, 4
  • E. 5, 6, 3, 1, 4, 2


Answer : B

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Total 85 questions