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The characteristic that is NOT a factor that impacts the capacity units for provisioning a NoSQL Database Cloud Service table is the query pattern. The query pattern refers to the frequency and complexity of the queries that are executed on the table. The query pattern does not affect the capacity units, which are based on the write and read throughput and the storage capacity of the table1.

The other options are factors that impact the capacity units for provisioning a NoSQL Database Cloud Service table because:

• A. Record size: The record size affects the write and read units, which are defined as the throughput of up to 1 KB of data per second for a write or read operation. If the record size is larger than 1 KB, then more write or read units are required to achieve the same throughput1.
• B. Durability level: The durability level affects the read units, which are defined as the throughput of up to 1 KB of data per second for an eventual consistent read operation. If the durability level is set to absolute consistent, which guarantees that the data returned is the most recent, then twice as many read units are required to achieve the same throughput1.
• C. Data model: The data model affects the storage capacity, which is defined as the amount of storage space used by the table. The data model determines the number and type of fields in each record, which in turn affects the storage size of each record. The more fields and complex data types in the record, the more storage capacity is required1.

References: 1: Oracle NoSQL Database Cloud Service Capacity Planning

Exadata Cloud@Customer is a cloud service that delivers the full power of the Exadata platform in your data center. You can create VM clusters on Exadata Cloud@Customer to run Oracle Database instances on virtual machines. You can scale up and down the following resources on your VM cluster1:

• CPU: You can increase or decrease the number of CPU cores allocated to each database node in the VM cluster. You can also enable or disable auto-scaling, which allows the system to automatically adjust the CPU cores based on the workload demand2.
• Memory: You can increase or decrease the amount of memory allocated to each database node in the VM cluster. You can also enable or disable auto-scaling, which allows the system to automatically adjust the memory based on the workload demand2.
• Local Storage: You can increase or decrease the size of the local storage allocated to each database node in the VM cluster. Local storage is used for the operating system, software installation, and temporary files. You can also enable or disable auto-scaling, which allows the system to automatically adjust the local storage based on the workload demand2.
• Exadata Storage: You can increase or decrease the size of the Exadata storage allocated to the VM cluster. Exadata storage is used for the database files, such as data files, control files, redo logs, etc. You can also enable or disable auto-scaling, which allows the system to automatically adjust the Exadata storage based on the workload demand2.

Therefore, statement E is correct, and statements A, B, C, and D are incorrect. Persistent Memory (PMEM), Flash Storage, Network, and Grid Infrastructure Bandwidth are not resources that can be scaled up and down on your VM cluster on Exadata Cloud@Customer1. References: 1: Exadata Cloud@Customer 2: Exadata Cloud@Customer’s distributed cloud database platform

• Security Lists in OCI: Security Lists act as virtual firewalls for instances within a Virtual Cloud Network (VCN). They define a set of rules for controlling network traffic at the subnet level.
• Incorrect Statements:

References:

• OCI Security Lists: https://docs.oracle.com/en-us/iaas/Content/Network/Concepts/securitylists.htm

 To connect to the NoSQL Database Cloud Service, you need to provide the following information1:

• Signing key fingerprint: This is a unique identifier for your API signing key, which is used to authenticate your requests to the service. You can find your signing key fingerprint in the Console under Identity > Users > User Details > API Keys2.
• API signing key: This is a private key that you generate and upload to the service. You use this key to sign your requests to the service. You can create and upload an API signing key using the Console or the CLI2.
• Tenancy OCID: This is the Oracle-assigned unique ID of your tenancy. You can find your tenancy OCID in the Console under Administration > Tenancy Details > Tenancy Information3.

The other options are not required to connect to the NoSQL Database Cloud Service. A passphrase is used to encrypt your private key, but it is not needed to connect to the service. A handshake key is used to establish a secure connection between two parties, but it is not used by the NoSQL Database Cloud Service. A user ID is a unique identifier for your user account, but it is not used to authenticate your requests to the service. A component ID is a unique identifier for a specific component of the service, such as a table or an index, but it is not needed to connect to the service. An admin ID is a user account that has administrative privileges on the service, but it is not used to authenticate your requests to the service. References:

• Connect to the Service - Oracle Help Center
• Required Keys and OCIDs - Oracle Help Center
• Managing Your Tenancy - Oracle Help Center

To change the backup window start time for a MySQL Database Service system, you need to select Backup Window from the Edit MySQL DB System Details page and set the start time to 4 AM. This option allows you to specify the time range during which automatic backups are performed. You can also enable or disable automatic backups from this page. The other options are incorrect because they do not apply to MySQL Database Service systems. The mysqlbackup command is a tool for backing up and restoring MySQL databases, but it is not used to configure the backup window for MySQL Database Service systems. The OCI MySQL DB System Details page does not have an option to specify the backup window start time or to enable automatic backups. The Enable Automatic Backups time is not a valid setting for MySQL Database Service systems. References:

• 3: About Oracle Base Database Service - Oracle Help Center
• 4: Back Up and Recovery in Base Database Service - Oracle Help Center
• 5: About Oracle Base Database Service - Oracle Help Center