1z0-1093-23 Exam Dumps - Oracle Database Cloud Service Questions and Answers

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]

When you permanently delete a MySQL database system, the backups that are associated with the deleted database system are not automatically deleted. They are retained for their retention periods, which are specified when you create the backup policy for the database system. You can view, restore, or delete the backups from the Oracle Cloud Infrastructure Console or the API1. References: 1: MySQL Database Service Backups

The users created on Database Servers that can be used for both Oracle database and host management of your Exadata Database Service are the root, opc, oracle, and grid users1. These users have different roles and privileges as follows:

• root: The root user is the superuser on the Database Servers. The root user can perform any administrative task on the host, such as installing software, configuring the network, and managing the file system. The root user can also access the Oracle Database as the SYSDBA user1.
• opc: The opc user is the default user that you use to connect to the Database Servers using SSH. The opc user has sudo privileges to run commands as root or other users. The opc user can also access the Oracle Database as the SYSDBA user1.
• oracle: The oracle user is the owner of the Oracle Database software and the Oracle Database home directory. The oracle user can perform database administration tasks, such as creating and managing databases, tablespaces, and users. The oracle user can also access the Oracle Database as the SYSDBA user1.
• grid: The grid user is the owner of the Oracle Grid Infrastructure software and the Oracle Automatic Storage Management (ASM) home directory. The grid user can perform ASM administration tasks, such as creating and managing disk groups, volumes, and files. The grid user can also access the Oracle Database as the SYSASM user1.

The other options are incorrect because:

• B. root, opc, oracle, grid, and cloud users: The cloud user is not a valid user on the Database Servers. The cloud user is a user that you create in the Oracle Cloud Infrastructure Identity and Access Management (IAM) service to access the Oracle Cloud resources. The cloud user cannot access the Oracle Database or the host management of the Exadata Database Service2.
• C. opc, oracle, and grid users: This option is missing the root user, which is a valid user on the Database Servers that can access the Oracle Database and the host management of the Exadata Database Service1.
• D. root, oracle, and grid users: This option is missing the opc user, which is the default user on the Database Servers that can access the Oracle Database and the host management of the Exadata Database Service1.

References: 1: Users on Database Servers 2: Users and Roles in Oracle Cloud Infrastructure

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