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NEW QUESTION # 34
You have a group called Database Admins and you need to allow them to create Exadata Database Services.
Which is the correct IAM policy to use?
- A. Allow group DatabaseAdmins to manage databases in tenancy
- B. Allow group DatabaseAdmins to create database-family in tenancy
- C. Allow tenancy DatabaseAdmins to manage database-family in group
- D. Allow group DatabaseAdmins to manage database-family in tenancy
- E. Allow databases in tenancy to be managed by DatabaseAdmins
Answer: D
Explanation:
The correct IAM policy to use to allow a group called DatabaseAdmins to create Exadata Database Services is to allow the group to manage the database-family resource type in the tenancy. The database-family resource type includes all the resources related to Oracle Database services, such as DB systems, databases, backups, patches, and Exadata infrastructure1. The syntax for the policy statement is as follows2:
Allow group DatabaseAdmins to manage database-family in tenancy
This policy statement grants the DatabaseAdmins group the permission to perform any action on any resource in the database-family resource type within the tenancy. This includes creating, updating, deleting, and viewing Exadata Database Services and other database resources12.
The other options are not correct IAM policies to use for this purpose. Option A is not a valid syntax, as the tenancy cannot be used as a target for a policy statement. Option B is not a valid syntax, as the databases cannot be used as a principal for a policy statement. Option D is not sufficient, as it only grants the permission to create database-family resources, but not to manage them. Option E is not comprehensive, as it only grants the permission to manage databases, but not other database-family resources, such as Exadata infrastructure12. References:
* Resource Types - Oracle Help Center
* Policy Syntax - Oracle Help Center
NEW QUESTION # 35
You define a maintenance window for your MySQL DB systems.
When the automatic maintenance process takes place, which two activities does the system perform while its status is set to UPDATING?
- A. It analyzes, rebuilds, and optimizes MySQL database tables and indexes.
- B. It patches the underlying operating system of the MySQL database.
- C. It patches the MySQL server itself along with any underlying hardware.
- D. It upgrades the associated compute instance to the latest Linux operating system version.
Answer: C
NEW QUESTION # 36
Which are the three strategies to migrate Oracle Database to Oracle Cloud Infrastructure (OCI)? (Choose three.)
- A. Zero Downtime Migration
- B. Migration Workbench
- C. Real Application Clusters
- D. Autonomous migration
- E. GoldenGate
Answer: A,B,E
Explanation:
The three strategies to migrate Oracle Database to Oracle Cloud Infrastructure (OCI) are:
* Zero Downtime Migration: This is a tool that provides a simplified and automated migration experience, providing zero to negligible downtime for the production system. It supports migrating Oracle Database versions 11.2.0.4 and later, running on any platform, to any OCI Database service, including Exadata, Cloud@Customer, and Autonomous1.
* Migration Workbench: This is a feature of Oracle Enterprise Manager that provides a user interface to perform database migrations using various methods, such as Data Pump, Transportable Tablespaces, or Cross-Platform Transportable PDBs. It supports migrating Oracle Database versions 11.2.0.4 and later, running on any platform, to any OCI Database service, including Exadata, Cloud@Customer, and Autonomous2.
* GoldenGate: This is a software product that enables data replication and integration across heterogeneous databases and platforms. It supports migrating Oracle Database versions 10.2 and later, running on any platform, to any OCI Database service, including Exadata, Cloud@Customer, and Autonomous. It also supports bi-directional replication and zero downtime upgrades3.
B is incorrect, because autonomous migration is not a strategy to migrate Oracle Database to OCI, but a feature of Oracle Autonomous Database that allows you to migrate data from other sources, such as Oracle Database, MySQL, MongoDB, or Amazon S3, to an Autonomous Database instance using Oracle Data Pump or SQL Developer Web4.
C is incorrect, because Real Application Clusters (RAC) is not a strategy to migrate Oracle Database to OCI, but a feature of Oracle Database that provides high availability and scalability by enabling multiple instances to access the same database across a cluster of servers5.
References: 1: Get started with Zero Downtime Migration 2: Migrate Oracle Databases to OCI 3: Oracle GoldenGate 4: Migrate Data to Autonomous Database 5: Oracle Real Application Clusters (RAC)
NEW QUESTION # 37
After you have provisioned a virtual machine (VM) database (DB) system, what action can you take to meet changes in block storage requirements?
- A. If you want to increase or decrease the storage, you must change the shape of the VM DB system.
- B. After you have provisioned a VM DB system, you cannot increase or decrease block storage.
- C. If a VM DB system requires more block storage, you can increase the storage at any time without impacting the system.
- D. If a VM DB system has different requirements for block storage, you can increase or decrease the storage at any time without impacting the system.
Answer: C
NEW QUESTION # 38
You want to check if cloud tools are up-to-date in Exadata Database Service.
Which two steps should you perform to obtain the current version of cloud tooling on a database server?
(Choose two.)
- A. Run the rpm -qa|grep -i dbaastools_exadata command.
- B. You must first connect to Exadata Cloud Service as opc and sudo to the root user.
- C. Run the dbaascli patch tools list command.
- D. You must first connect to Exadata Cloud Service as the oracle user.
Answer: A,B
Explanation:
To check if cloud tools are up-to-date in Exadata Database Service, you need to perform the following two steps1:
* You must first connect to Exadata Cloud Service as opc and sudo to the root user. This is because the cloud tools are installed and updated by the root user on the database servers1. The opc user is the default administrative user that has sudo privileges to run commands as root1. The oracle user is the default database user that owns the Oracle software and the database files, but it does not have access to the cloud tools1.
* Run the rpm -qa|grep -i dbaastools_exadata command. This command will list the installed packages that match the dbaastools_exadata pattern, which is the name of the cloud tooling package for Exadata Database Service1. The output will show the current version of the cloud tooling package, such as dbaastools_exadata-20.4.1-1.el7.x86_641. You can compare this version with the latest version available from the Oracle Base Database Service documentation1.
The other option, running the dbaascli patch tools list command, is incorrect because it is not a valid command for Exadata Database Service. The dbaascli utility is a command-line interface that provides various functions for managing the database service, such as patching, backup, recovery, and encryption1. However, the patch tools subcommand is not supported for Exadata Database Service, as the cloud tools are automatically updated by Oracle1. Therefore, the correct answer is C and D. References:
* 4: About Oracle Base Database Service - Oracle Help Center
NEW QUESTION # 39
Which statement is true about MySQL Database Service?
- A. It supports MySQL Enterprise Edition version 5.7 with InnoDB Storage Engine.
- B. It is a public cloud service built on MySQL Community Edition.
- C. It is a fully managed Oracle Cloud Infrastructure (QCI) native service.
- D. Its users are responsible for database and operating system patching tasks.
Answer: C
NEW QUESTION # 40
Which two statements are true when enabling Data Guard on Exadata Database Service? (Choose two.)
- A. You can use Active Data Guard, which extends Oracle Data Guard capabilities by providing read/write functionality on the Standby or Disaster Recovery system.
- B. You can enable Data Guard to support your Standby or Disaster Recovery (DR) needs with a single API call or mouse click in the Ul using cloud automation.
- C. You should use similar configurations for your Primary and Standby databases to ensure you meet the same performance service level after a role transition.
- D. You cannot edit your configuration to change between synchronous or asynchronous transport of data to the DR site, after enabling Data Guard.
- E. You must configure Data Guard manually to create the Standby or DR instance for your Primary Exadata Database.
Answer: B,C
Explanation:
When enabling Data Guard on Exadata Database Service, the following two statements are true:
* You should use similar configurations for your Primary and Standby databases to ensure you meet the same performance service level after a role transition. This is a best practice recommended by the Oracle Maximum Availability Architecture (MAA) to avoid any performance degradation or unexpected behavior when switching roles between the primary and standby databases1. Similar configurations include the same database version, edition, shape, storage, and network settings2.
* You can enable Data Guard to support your Standby or Disaster Recovery (DR) needs with a single API call or mouse click in the Ul using cloud automation. This is one of the benefits of using Data Guard on Exadata Database Service, as it simplifies the creation and management of the standby database. You can use the Oracle Cloud Infrastructure Console, the REST API, or the CLI to enable Data Guard when creating a new database or to add Data Guard to an existing database3.
C is incorrect, because Active Data Guard does not provide read/write functionality on the standby or disaster recovery system, but read-only functionality. Active Data Guard allows you to open the standby database for read-only access while it is synchronized with the primary database, enabling real-time query and reporting on the standby database4.
D is incorrect, because you do not have to configure Data Guard manually to create the standby or DR instance for your primary Exadata Database. As mentioned above, you can use cloud automation to enable Data Guard with a single API call or mouse click in the UI3.
E is incorrect, because you can edit your configuration to change between synchronous or asynchronous transport of data to the DR site, after enabling Data Guard. You can use the Oracle Cloud Infrastructure Console, the REST API, or the CLI to modify the Data Guard association and change the protection mode, which determines the data transport method5.
References: 1: Disaster Recovery Best Practices for Exadata Database Machine using Oracle Data Guard 2: About Configuring Oracle Data Guard for Oracle Exadata Database Service on Dedicated Infrastructure 3: Using Oracle Data Guard in Exadata Cloud Service 4: About Oracle Active Data Guard 5:
Modifying a Data Guard Association
NEW QUESTION # 41
NoSQL Database Cloud Service supports all three types of big data.
Which is NOT considered big data?
- A. unstructured data
- B. structured data
- C. free-structured data
- D. semi-structured data
Answer: C
Explanation:
Big data is a term that refers to large and complex data sets that are beyond the capacity of traditional data processing systems. Big data can be classified into three types based on the structure and format of the data1:
* Structured data: This is data that has a predefined schema and can be easily stored, queried, and analyzed in relational databases. Examples of structured data include customer records, sales transactions, product catalogs, etc.
* Semi-structured data: This is data that does not have a fixed schema, but has some elements of structure that can be extracted and processed. Examples of semi-structured data include XML, JSON, HTML, log files, etc.
* Unstructured data: This is data that has no structure or format and cannot be easily stored or analyzed in relational databases. Examples of unstructured data include text, images, audio, video, social media
* posts, etc.
Therefore, statement D is incorrect, and statements A, B, and C are correct. Free-structured data is not a valid term for describing big data types. NoSQL Database Cloud Service supports all three types of big data by providing a flexible and scalable data model that can store and query data in various formats, such as JSON, key-value, or fixed-schema2. References: 1: [Oracle Cloud Infrastructure Documentation], Big Data 2:
[Oracle Cloud Infrastructure Documentation], NoSQL Database Cloud Service Overview
NEW QUESTION # 42
You are asked to measure useful quantitative data about a MySQL Database Service system. You must provide information such as current connection information, statement activity, latency, and host OCPU, memory, and disk I/O utilization.
Which three Oracle Cloud Infrastructure monitoring methods should you use? (Choose three.)
- A. Queries
- B. Alarms
- C. Notifications
- D. Data points
- E. Metrics
Answer: A,D,E
Explanation:
Oracle Cloud Infrastructure (OCI) provides various methods to monitor the performance and availability of your MySQL Database Service system. You can use the following methods to collect and analyze useful quantitative data about your system1:
* Data points: A data point is a single value that represents a metric at a specific point in time. Data points are collected by the OCI Monitoring service and stored in a time series database. You can use data points to track the changes in your system over time and compare different metrics2.
* Metrics: A metric is a named set of data points that share the same namespace, dimensions, and unit of measurement. Metrics are used to measure the behavior and utilization of your system, such as connection count, statement count, latency, OCPU usage, memory usage, and disk I/O. You can use
* metrics to create charts and dashboards to visualize your system performance3.
* Queries: A query is a way to retrieve and manipulate data points from the time series database. You can use queries to filter, aggregate, transform, and analyze metrics data. You can also use queries to create alerts and notifications based on certain conditions or thresholds4.
Therefore, statements B, D, and E are true, and statements A and C are false. Notifications and alarms are not methods to measure data, but rather methods to notify you when certain data points meet certain criteria5.
References: 1: Monitor your MySQL Database Service using MySQL Enterprise Monitor 2: [Oracle Cloud Infrastructure Documentation], Monitoring Overview 3: [Oracle Cloud Infrastructure Documentation], Metrics Overview 4: [Oracle Cloud Infrastructure Documentation], Query Language Reference 5: [Oracle Cloud Infrastructure Documentation], Alarms Overview
NEW QUESTION # 43
You enable automatic backups on your Exadata Cloud@Customer.
Which type of file is NOT backed up by default and is the customer's responsibility to back up?
- A. database control files
- B. Transparent Data Encryption (TDE) keystore (wallet)
- C. database archiveloq files
- D. server parameter file
Answer: B
NEW QUESTION # 44
In addition to Automatic backups of your Oracle database, you want to take On-Demand backups of the database on Exadata Database Service on Dedicated Infrastructure in the public cloud.
How can you do this?
- A. On-Demand backups are not allowed on Exadata Database Service because they use Automatic backups.
- B. Disable Automatic backup and then take an On-Demand backup.
- C. Use the Create Backup button in the backup section of the Database Details page to take an On-Demand backup.
- D. Connect to Exadata Database Service as oracle user first and then take an On-Demand backup.
Answer: C
Explanation:
The correct way to take an On-Demand backup of the database on Exadata Database Service on Dedicated Infrastructure in the public cloud is to use the Create Backup button in the backup section of the Database Details page1. This will create a full backup of the database and store it in the backup destination that you have configured for the database1. You can use this option to take an On-Demand backup at any time, regardless of the automatic backup schedule that you have set up1.
The other options are incorrect because:
* Connecting to Exadata Database Service as oracle user first and then taking an On-Demand backup is not supported. You cannot use the dbaascli utility or the RMAN commands to initiate an On-Demand backup on Exadata Database Service on Dedicated Infrastructure2. You can only use the Console or the API to create an On-Demand backup1.
* Disabling Automatic backup and then taking an On-Demand backup is not necessary. You can take an On-Demand backup without disabling the Automatic backup feature1. Disabling Automatic backup will stop the regular backups of the database, which is not recommended for data protection and recovery1.
* On-Demand backups are allowed on Exadata Database Service, as explained above. They are not restricted by the Automatic backup feature, which is also available and recommended for Exadata Database Service1.
References:
* Managing Database Backup and Recovery on Oracle Exadata Database Service on Dedicated Infrastructure
* Exadata Database Service on Dedicated Infrastructure
NEW QUESTION # 45
You are asked to create a MySQL Database Service system. You log in to the group's Oracle Cloud Infrastructure tenancy and access the assigned compartment, and find that all policies have been configured and tested.
What is the next step to create a MySQL Database Service?
- A. Create a Linux compute instance.
- B. Create a Virtual Cloud Network by using the VCN Wizard.
- C. Create the MySQL DB system.
- D. Connect to the MySQL Database Service system endpoint.
Answer: C
Explanation:
The next step to create a MySQL Database Service system is to create the MySQL DB system. This is the main resource that represents a MySQL database in Oracle Cloud Infrastructure1. To create a MySQL DB system, you need to provide some basic information, such as the name, shape, version, and credentials of the database. You also need to select the compartment, availability domain, and subnet where the MySQL DB system will be deployed2. You can create a MySQL DB system using the Oracle Cloud Infrastructure Console, the REST API, or the CLI2.
B is incorrect, because connecting to the MySQL Database Service system endpoint is not the next step, but a subsequent step after creating the MySQL DB system. You need to have a MySQL DB system up and running before you can connect to it using a MySQL client or application3.
C is incorrect, because creating a Linux compute instance is not required to create a MySQL Database Service system. A Linux compute instance is an optional resource that you can use to access your MySQL DB system from a public subnet, as MySQL DB systems are deployed in private subnets by default4. However, you can create a Linux compute instance after creating the MySQL DB system, not before.
D is incorrect, because creating a Virtual Cloud Network by using the VCN Wizard is not the next step, but a prerequisite step before creating the MySQL DB system. You need to have a VCN with a private subnet and a security list configured to allow traffic to and from the MySQL DB system5. The question states that all policies have been configured and tested, which implies that the VCN has already been created.
References: 1: About MySQL Database Service 2: Creating a MySQL DB System 3: Connecting to a MySQL DB System 4: Accessing a MySQL DB System from a Public Subnet 5: Creating a Virtual Cloud Network
NEW QUESTION # 46
Which two tools are used to monitor Exadata Database Service? (Choose two.)
- A. Oracle Management Cloud
- B. Service Console
- C. Oracle Enterprise Manager
- D. Oracle Cloud Monitor
- E. Oracle Internet Monitoring Suite (IMS)
Answer: B,C
Explanation:
Oracle Enterprise Manager and Service Console are two tools that can be used to monitor Exadata Database Service. Oracle Enterprise Manager is a comprehensive management solution that provides a single interface for monitoring and managing all Exadata, ExaDB-D and ExaDB-C@C systems, along with any other targets1. Oracle Enterprise Manager enables you to visualize storage and compute data, view performance metrics of your Exadata components, and perform administrative tasks such as patching, backup, and recovery1. Service Console is a web-based user interface that allows you to monitor and manage your Exadata Cloud Service instances2. Service Console provides information about the status, configuration, and utilization of your Exadata systems, and enables you to perform operations such as scaling, patching, backup, and restore2.
The other options are not valid tools for monitoring Exadata Database Service because:
* B. Oracle Management Cloud is a suite of cloud services that provides integrated monitoring, management, and analytics for applications, databases, middleware, and infrastructure3. Oracle Management Cloud is not specific to Exadata Database Service, and does not provide the same level of functionality and integration as Oracle Enterprise Manager4.
* C. Oracle Cloud Monitor is not a real tool, but a fictitious name. There is no such tool as Oracle Cloud Monitor in Oracle Cloud Infrastructure or Oracle Cloud Services.
* D. Oracle Internet Monitoring Suite (IMS) is also not a real tool, but a fictitious name. There is no such tool as Oracle Internet Monitoring Suite in Oracle Cloud Infrastructure or Oracle Cloud Services.
NEW QUESTION # 47
Which is NOT an Oracle best practice for updating Virtual Machine DB System databases?
- A. Run the grecheck operation before you apply any update.
- B. Back up your databases before you apply any updates to your system.
- C. Patch the DB System before updating a database for DB Systems with Grid Infrastructure/ASM storage management.
- D. Ensure all servers and database instances are stopped before applying patch to your DB system to avoid data corruption.
Answer: D
Explanation:
Oracle recommends that you do not stop any servers or database instances before applying a patch to your DB system. Stopping the servers or instances can cause the patching process to fail or take longer than expected.
Instead, you should run the precheck operation before you apply any update to verify that your DB system meets the patching prerequisites. You should also back up your databases before you apply any updates to your system, and patch the DB system before updating a database for DB systems with Grid Infrastructure/ASM storage management. Therefore, statement D is not an Oracle best practice and the rest are. References:
* 3: In-Place Upgrade for Database Cloud Service (DBCS) VM DB Systems
* 4: Update a DB System - Oracle Help Center
NEW QUESTION # 48
Which two statements are true about using a Service Gateway? (Choose two.)
- A. The Service Gateway can be used to connect to the Internet.
- B. The Service Gateway with a public subnet can be used to access Object Storage.
- C. The Service Gateway can connect to services in other regions outside of the VCN.
- D. The Service Gateway can connect to services in the same region of its VCN.
- E. The Service Gateway with a private subnet can be used to access Object Storage.
Answer: D,E
Explanation:
A Service Gateway is a virtual router that enables private access to multiple Oracle services in the Oracle Services Network, a conceptual network that is reserved for Oracle services and composed of a list of regional CIDR blocks1. A Service Gateway can be used to access Object Storage, which is one of the Oracle services supported by the Service Gateway2. A Service Gateway can only connect to services in the same region of its VCN, not in other regions3. A Service Gateway cannot be used to connect to the Internet, as it does not have a public IP address4. A Service Gateway can be used with either a private or a public subnet, as long as the subnet has a route table that directs traffic to the Service Gateway5. References: 1: Service Gateway | Oracle 2: [Oracle Cloud Infrastructure Documentation] 3: [Oracle Cloud Infrastructure Documentation] 4:
[Oracle Cloud Infrastructure Documentation] 5: [Oracle Cloud Infrastructure Documentation]
NEW QUESTION # 49
What permissions do you need to perform actions on a NoSQL table?
- A. NOSQL_TABLE_WRITE, NOSQL_ROWS_INSERT
- B. NOSQL_TABLE_INSPECT, NOSQL_TABLE_UPDATE
- C. NOSQL_TABLE_DESTROY, NOSQL_TABLE_ALTER
- D. NOSQL_ROWS_READ, NOSQL_ROWS_DELETE
Answer: A
Explanation:
To perform actions on a NoSQL table, such as creating, updating, deleting, or querying rows, you need to have the appropriate permissions granted by an IAM policy. The permissions are defined by the combination of the verb and the resource type. For example, the NOSQL_TABLE_WRITE permission allows you to create or update a table, and the NOSQL_ROWS_INSERT permission allows you to insert rows into a table1.
The other options are not correct permissions to perform actions on a NoSQL table. The NOSQL_ROWS_READ and NOSQL_ROWS_DELETE permissions only allow you to read or delete rows from a table, but not to insert or update them1. The NOSQL_TABLE_INSPECT and NOSQL_TABLE_UPDATE permissions only allow you to list or modify the properties of a table, but not to create or delete it1. The NOSQL_TABLE_DESTROY and NOSQL_TABLE_ALTER permissions only allow you to drop or alter a table, but not to create or update it1. References:
* Oracle NoSQL Database Cloud Service Policies Reference
NEW QUESTION # 50
You want to check if cloud tools are up-to-date in Exadata Database Service.
Which two steps should you perform to obtain the current version of cloud tooling on a database server? (Choose two.)
- A. Run the dbaascli patch tools list command.
- B. You must first connect to Exadata Cloud Service as opc and sudo to the root user.
- C. Run the rpm -qa|grep -i dbaastools_exadata command.
- D. You must first connect to Exadata Cloud Service as the oracle user.
Answer: A,B
NEW QUESTION # 51
You are designing an Exadata Database Service-based architecture for a customer who has a requirement that all maintenance, including database upgrades, be completed with as little downtime as possible.
Which technology should be used?
- A. Active Data Guard
- B. ASM instead of LVM
- C. Multitenant
- D. Application Continuity
- E. RMAN
Answer: A
NEW QUESTION # 52
Which statement is FALSE about a compartment?
- A. Compartments are not tenancy-wide, across regions.
- B. After creating a compartment, you need to write at least one policy for it.
- C. It can be organized in a hierarchical fashion.
- D. It allows you to isolate resources.
Answer: A
Explanation:
A compartment is a logical container that can hold resources such as databases, compute instances, networks, etc. A compartment can be organized in a hierarchical fashion, with parent and child compartments1. After creating a compartment, you do not need to write any policies for it, unless you want to grant access to other users or groups2. Compartments are tenancy-wide, meaning that they are available across all the regions that the tenancy subscribes to3. A compartment allows you to isolate resources for different purposes, such as development, testing, production, etc. Therefore, statement C is false, and statements A, B, and D are true.
References: 1: Become an Oracle Base Database Services Professional (2023), Section 2.1.1:
Compartments 2: Base Database Service, Section 1.2.1: Compartments 3: Oracle Base Database Services 2023 Professional, Section 2.1.1: Compartments : [Oracle Cloud Infrastructure Documentation], Compartments and Subcompartments
NEW QUESTION # 53
Which two statements are true about cloning a Virtual Machine DB System? (Choose two.)
- A. When creating a clone of the Virtual Machine DB system, you need to specify a new SSH key and admin password.
- B. Cloning only creates a copy of a source Virtual Machine DB system as it exists at the time of the cloning operation, but does not include the storage configuration software and database volumes.
- C. When creating a clone, you must use the same SSH key and admin password as the source Virtual Machine DB system.
- D. Cloning creates a copy of a source Virtual Machine DB system as it exists at the time of the cloning operation, including the storage configuration software and database volumes.
Answer: A,D
Explanation:
The statements that are true about cloning a Virtual Machine DB System are:
* When creating a clone of the Virtual Machine DB system, you need to specify a new SSH key and admin password1. This is because the clone is a new DB system that requires its own credentials for security and access purposes1.
* Cloning creates a copy of a source Virtual Machine DB system as it exists at the time of the cloning operation, including the storage configuration software and database volumes12. This means that the clone will have the same database software, patches, configuration, and data as the source DB system at the time of cloning12.
The statements that are false about cloning a Virtual Machine DB System are:
* When creating a clone, you must use the same SSH key and admin password as the source Virtual Machine DB system. This is false, as explained above, you need to specify a new SSH key and admin password for the clone1.
* Cloning only creates a copy of a source Virtual Machine DB system as it exists at the time of the cloning operation, but does not include the storage configuration software and database volumes. This is false, as explained above, cloning includes the storage configuration software and database volumes of the source DB system12.
References:
* Clone a DB System
* Virtual machine DB system cloning available for single-node systems using LVM storage management
NEW QUESTION # 54
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