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Free Oracle 1z0-078 Practice Exam with Questions & Answers | Set: 2

Questions 11

Which two statements are true concerning Oracle 19c Clusterware-managed application VIPs? (Choose two.)

Options:
A.

An application VIP is created on the default network by the appvipcfg utility.

B.

Application VIPs do not fail over to surviving cluster nodes when the node hosting the VIP fails.

C.

If an application sends messages to be displayed and sets the display variable, then an application VIP is required.

D.

An application VIP can be created with the crsccl utility.

E.

An application VIP is created on the interconnect network by the crsccl utility.

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Questions 12

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

Options:
A.

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

B.

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

C.

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

D.

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

E.

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

F.

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

Questions 13

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

Options:
A.

A copy of an encrypted file is not encrypted unless it is created in an encrypted directory.

B.

An ACFS snapshot can be ACFS encrypted.

C.

acfsutil encr off can be run by an encryption manager who may not have system administrator privileges.

D.

acfsucil encr on can be used to specify the encryption key length for a directory or file.

E.

acfsutil encr inic is used to establish role separation between encryption managers and encryption auditors.

Questions 14

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

Options:
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.

Questions 15

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

Options:
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 be of the same size for optimal performance.

C.

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

D.

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

E.

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

Questions 16

Examine the output of this command:

1z0-078 Question 16

TheACFSdisk group is a normal redundancy disk group with 5 GB of free space.

To increase the size of theACFSfile system, you execute this command as therootuser:

$ /sbin/acfsutil size +200M /u01/app/grid/acfsmount

Which two statements are true regarding the outcome of this command? (Choose two.)

Options:
A.

It fails to resize voli because it must be executed as a user belonging to the sysasm group.

B.

It fails to resize the filesystem because it must be unmounted before resizing.

C.

It succeeds but leaves the file system unmounted.

D.

It resizes voli.

E.

It resizes the filesystem mounted on /u01/app/grid/acfsmount.

Questions 17

You want to create a tablespace,SALES, with these requirements:

1. Its data file has an alias namesales.dbf.

2. Its data file is stored in the directoryCURRENT_YRin the disk groupDATA.

Examine this command:

SQL> CREATE TABLESPACE sales;

Which two tasks must you perform to meet these requirements? (Choose two.)

Options:
A.

Create the current yr directory in the root directory (+).

B.

Create the current yr directory in the +data disk group.

C.

Add the DATAFILE '+DATA/CURRENT YR/sales.dbf clause to the command.

D.

Add the autoextend on clause to the command.

E.

lAdd the DATAFILE '/CURRENT YR/sales.dbf clause to the command.

Questions 18

Examine this command:

1z0-078 Question 18

Which two statements are true about this disk group, created using Grid Infrastructure 19c? (Choose two.)

Options:
A.

Any database instance with the COMPATIBLE parameter set to 12.2 or later can access it.

B.

It can contain ASM Dynamic Volume Manager (ADVM) volumes.

C.

Each disk in each of the three fail groups is a mirror of the corresponding disk of the other two failure groups.

D.

The ASM compatible attributes can be changed to 12. l for this disk group.

E.

Files created in this disk group always have two copies for each allocation unit: one primary and one secondary.

Questions 19

Which two statements are true concerning diagnostic components and requirements of Oracle 19c Clusterware? (Choose two.)

Options:
A.

The clusterware log files are stored inside the Grid Infrastructure Management Repository database used by the cluster health monitor

B.

The diagcolleccion.pl script must be run from the Grid home directory as the arid infrastructure owner.

C.

There is one ologgerd 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.

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

Questions 20

Examine this query and output:

1z0-078 Question 20

Performance analysis revealed severe SQ enqueue contention on the SEQ1 sequence.

TheSEQ1sequence is incremented from all instances equally and is frequently used.

Which two statements should you execute to reduce SQ enqueue contention? (Choose two.)

Options:
A.

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

B.

alter sequence seal cache 10000;

C.

alter sequence seql noorder;

D.

alter sequence seql keep;

E.

alter sequence seql order;

Exam Code: 1z0-078
Certification Provider: Oracle
Exam Name: Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration
Last Update: Jul 9, 2025
Questions: 77
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