The New 1z0-078 2024 Updated Verified Study Guides & Best Courses [Q44-Q62]

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The New 1z0-078 2024 Updated Verified Study Guides & Best Courses

Authentic 1z0-078 Exam Dumps PDF - 2024 Updated


Oracle 1z0-078 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Configure the RAC database to use ARCHIVELOG mode and the fast recovery area
  • Convert a single instance Oracle database to RAC
Topic 2
  • Explain use of Affinity to reduce Global Resource Contention
  • Define undo tablespaces in a RAC environment
Topic 3
  • Perform ongoing maintenance tasks on ASM disk groups
  • Explain how ASM files, directories and aliases are created and managed
Topic 4
  • Configure server-side connect-time load balancing
  • Use DBCA to convert a single-instance database to a RAC One Node database
Topic 5
  • Configure client-side connect-time load balancing and failover
  • Convert an Oracle RAC One Node database to a RAC database
Topic 6
  • Describe the multitenant architecture in RAC and non-RAC environments
  • Use Automatic Database Diagnostic Monitor (ADDM) in RAC
Topic 7
  • Explain the types of patches and upgrades available
  • Explain the hivh availability components of Oracle Clusterware
Topic 8
  • Install the Oracle database software
  • Modify initialization parameters in a RAC environment
Topic 9
  • Describe the architecture and components of Flex ASM
  • Monitor ASM instances using the V$ASM dynamic performance views
Topic 10
  • Explain global enqueue and instance lock management
  • Explain the benefits of Fast Application Notification (FAN)

 

NEW QUESTION # 44
Which two operating system users and groups must be created on each node before installing Oracle Grid Infrastructure 19c? (Choose two.)

  • A. an O/S group called dba
  • B. an O/S user to own the Clusterware installation and a different O/S user own the Automatic Storage Management (ASM) installation
  • C. an O/S user to own the Grid Infrastructure installation
  • D. A group to own Automatic Storage Management (ASM) Filter Driver-provisioned storage
  • E. an O/S group to own the software inventory
  • F. an 0/S user to own the Oracle Database installation

Answer: C,E


NEW QUESTION # 45
Which method should be used to convert a single-instance Oracle 19c Database to a RAC Database?

  • A. Using dbca to migrate the database to shared storage and then to start one or more RAC database instances on the cluster
  • 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 create a template from the single-instance database and then using dbca to create a RAC database on the cluster using that template
  • D. 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

Answer: A


NEW QUESTION # 46
Which three statements are true about ASM Cloud File System (ACFS) encryption? (Choose three.)

  • A. acfsutil encr inic is used to establish role separation between encryption managers and encryption auditors.
  • B. A copy of an encrypted file is not encrypted unless it is created in an encrypted directory.
  • 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. An ACFS snapshot can be ACFS encrypted.

Answer: A,D,E


NEW QUESTION # 47
Which two commands will stop the Oracle High Availability Services (OHAS) and prevent it from starting automatically at system boot on the local node? (Choose two.)

  • A. crsctl stop cluster
  • B. crsctl stop crs
  • C. crsctl config crs
  • D. crsctl disable crs

Answer: B,D


NEW QUESTION # 48
Which two statements are true regarding ASM Dynamic Volume Manager (ADVM)? (Choose two.)

  • A. Only one ADVM volume can be created in an ASM disk group.
  • B. An ADVM volume is individually named and can contain only one file system.
  • C. To create an ADVM volume, disk group attributes COMPATIBLE.ASM and COMPATIBLE.ADVM must be minimally set to 12.1.<.span>.
  • D. File systems contained in ADVM volumes may only contain database files.
  • E. ADVM extends ASM by providing a device driver interface to storage backed by an ASM disk group.

Answer: B,E


NEW QUESTION # 49
Examine this command:
SQL> CREATE PLUGGABLE DATABASE pdb3 FROM pdb1;
Which three conditions must be true for successful execution of this command on a RAC database? (Choose three.)

  • A. All running CDB instances must be open in restricted mode.
  • B. It can be executed only by a common user with the create pluggable database system privilege connected to the root container.
  • C. The source pdb must use a global temporary
  • D. Oracle Managed Files must be enabled or PD3 file name convert must be set.
  • E. The source PD3 must be closed on the CDS instance from where the command is executed.
  • F. The source PD3 must be in read only mode on all CD3 instances if the CDB is in No Archive mode.

Answer: B,D,E


NEW QUESTION # 50
Examine this command executed on the first node of a four-node cluster:
$ < DATABASE_ORACLE_HOME >/OPatch/opatch apply 33575673
What does this command do?

  • A. It applies a patch to all database oracle homes with the same release on all cluster nodes.
  • B. It applies a patch to all oracle homes with the same release only on the first cluster node.
  • C. It applies a patch to one oracle home only on the first cluster node.
  • D. It applies a patch to one database ORACLE home on alll cluster nodes.
  • E. It applies a patch to all database oracle homes with the same release only on the first cluster node.

Answer: C


NEW QUESTION # 51
Which three statements are true about the Global Resource Directory (GRD) in Oracle 19c RAC database and in Clustered ASM? (Choose three.)

  • A. All GRD Enqueue Resource master metadata is held in the large pool of the same database instance.
  • B. RAC databases have GRD cache resources distributed among all the database instances and stored in the shared pool of each instance.
  • C. RAC databases have GRD cache resources distributed among all the database instances and stored in the large pool of each instance.
  • D. Shadow GRD resources may exist in more than one database instance for a resource.
  • E. Clustered ASM has GRD resources distributed among all ASM instances.
  • F. All GRD Enqueue Resource master metadata is held in the shared pool of the same database instance.
  • G. Only one GRD shadow resource may exist for an Enqueue Resource.

Answer: C,D,E


NEW QUESTION # 52
Which three statements are true about the Oracle Clusterware 19c Flex Cluster architecture? (Choose three.)

  • A. Each leaf node must be connected to storage shared across all cluster nodes.
  • B. Each leaf node must be connected to storage shared across all leaf nodes.
  • C. Each hub node must be connected to storage shared across all hub nodes.
  • D. Hub nodes require direct access to the OCR file.
  • E. Leaf nodes require direct access to the voting disks.
  • F. Hub nodes require direct access to the voting disks.

Answer: C,D,F


NEW QUESTION # 53
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 when a preferred instance is not 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 even if a preferred instance is available.
  • D. When possible, clients with the same colocation_tag are routed to the same instance that offers a given service.

Answer: D


NEW QUESTION # 54
Which two steps must always be performed to delete node host04 from an Oracle 19c Clusterware cluster that does not use Grid Naming Service (GNS)? (Choose two.)

  • A. Run the crsctl unpin css - host04 command as root on host01, or on either host02 or host03.
  • B. Run the rootcrs.pl -deconfig -force command as root on host04.
  • C. Run the crsctl delete node -n host04 command as root on host01, or on either host02 or host03.
  • D. Run the crsct1 unpin css - host04 command as root on host04.
  • E. Run the rootcrs.pl -deconfig -force command as root on host01, or on either host02 or host03.
  • F. Run the crsctl delete node -n host04 command as root on host04.

Answer: B,C


NEW QUESTION # 55
Which two actions guarantee that time is synchronized properly on all nodes in a cluster after installing Oracle Grid Infrastructure 19c? (Choose two.)

  • 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; Oracle Cluster Time Synchronization Service (CTSSD) will then start automatically in observer mode when the clusterware is started.
  • 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. 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.
  • E. 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.

Answer: B,C


NEW QUESTION # 56
Identify three prerequisites for the successful installation of Oracle Grid Infrastructure 19c when using Full Featured Grid Naming Service (GNS). (Choose three.)

  • A. A DHCP service on the private network for the cluster is required to allocate virtual IP addresses for HAIP.
  • B. You must create a Grid Management Repository database.
  • C. You must enable the Name Server Cache Daemon
  • D. A DHCP service on the public network for the cluster is required to allocate virtual IP addresses as required by the cluster.
  • E. Each cluster node must have at least two network interface cards.
  • F. DNS must be configured to delegate name resolution for the cluster subdomain to the cluster.

Answer: C,D,F


NEW QUESTION # 57
Examine the output of the asmcmd and srvctl commands:

Then you execute this command:
$ srvctl relocate asm -currentnode host03 -targetnode host02
Which three statements are true regarding the execution of this command based on the output shown? (Choose three.)

  • A. It fails because an ASM instance is not configured to run on HOST02.
  • B. It succeeds and 19c database instances connected to the ASM instance on HOST03 can be reconnected to the ASM instance on HOST02.
  • C. It fails because the ASM instance has not been shut down first on HOST03.
  • D. It succeeds and starts an ASM instance on HOST02 and shuts down the ASM instance on HOST03.
  • E. It succeeds and 19c database instances connected to the ASM instance on HOST03 can be reconnected to the ASM instance on HOST01.
  • F. It succeeds and starts an ASM instance on HOST02 but the ASM instance on HOST03 is not shut down until all connected clients disconnect.

Answer: A,B,F


NEW QUESTION # 58
Which two statements are true regarding ASM when installing Oracle Grid Infrastructure 19c? (Choose two.)

  • A. The Installer permits the creation of a disk group for use by the voting disks and OCR file.
  • B. The Installer permits the creation of a disk group to be used for the Recovery Area for the ASM instance.
  • C. ASM disk groups used for voting files and OCR files require a quorum failqroup.
  • D. If no ASM disk groups are specified during installation, then ASM instances are not started after the installation completes on any cluster node.
  • E. If ASM disk groups are configured for the Clusterware files, then ASM must be used for all databases on the cluster.

Answer: A,D


NEW QUESTION # 59
Which two statements are true concerning Oracle 19c Clusterware-managed application VIPs? (Choose two.)

  • A. If an application sends messages to be displayed and sets the display variable, then an application VIP is required.
  • B. An application VIP is created on the default network by the appvipcfg utility.
  • C. An application VIP can be created with the crsccl utility.
  • D. Application VIPs do not fail over to surviving cluster nodes when the node hosting the VIP fails.
  • E. An application VIP is created on the interconnect network by the crsccl utility.

Answer: B,C


NEW QUESTION # 60
Which three statements are true regarding ASM on a four-node cluster? (Choose three.)

  • A. ASM Cluster File System (ACFS) can be deployed on any nodes.
  • B. A database instance on a node can only be a client of an ASM instance running on the same node.
  • C. A database instance on a node cannot be a client of an ASM instance running on other nodes.
  • D. An ASM instance and database instances can coexist on the same node.
  • E. A database instance on a node can be a client of an ASM instance running on any node.
  • F. A database instance on a node uses an ASM instance as an I/O server when requesting I/O to diskgroups.

Answer: D,E,F


NEW QUESTION # 61
Which three statements are true about ASM Cloud File System (ACFS) replication? (Choose three.)

  • A. Replication is automatically terminated if the primary file system has less than 2 GB free space.
  • B. ACFS auditing information is replicated from the primary file system to the standby file system.
  • C. Standby redo log files are required on the standby site for synchronous redo transport.
  • D. The privilege sysrepl has been introduced for ACFS replication.
  • E. One site of an ACFS replication configuration can host both primary and standby file systems.

Answer: B,D,E


NEW QUESTION # 62
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