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Managing Exadata Cloud Infrastructure Resources

Managing Exadata Cloud Infrastructure Resources.

 

  • When you subscribe to the Exadata Database Service, the customer is responsible for managing everything that runs in the customer VMs.
  • For the Exadata Database Service, customers can install and manage additional software in the customer VM. 
  • For the Exadata Database Service on Exadata Cloud@Customer Oracle owns and manages the infrastructure.
  • For the Exadata Database Service customers are not authorized to access the Oracle infrastructure.
  • For the Exadata Database Service in the Oracle Public Cloud Oracle owns and manages the infrastructure.

 

  • To remove a user’s SSH access from the Exadata Database Service you must manually delete the SSH key from the authorized keys file for the opc and oracle users on every database server in your Exadata Database Service environment.

 

  • You can manage the power cycle functions (Stop, Start, and Reboot) of the Virtual Machines of the Exadata VM Cluster from the Exadata VM Cluster details page on the OCI console or via the REST APIs.
  • The Exadata Database Service provides Monthly Critical Security fixes for severe vulnerabilities to the infrastructure software with CVSS scores greater than 7, that must be applied within 21 days of its availability.
  • Quarterly update bundles for the Exadata Database Service provide new versions of the Exadata Image, the latest set of security fixes and other essential patches for the infrastructure components, and updates for the cloud software components that run on the infrastructure components.

 

 

 

Questions

 

Which statements is true about Managing VM Cluster resources on the Exadata Database Service?

  • A Network Security Group (known as NSG) consists of a set of ingress and egress security rules that must be applied to all of VNICs of the Subnet that they are applied to in your VCN.
  • To remove a user’s SSH access from the Exadata Database Service you must manually delete the SSH key from the authorized keys file for the opc and oracle users on every database server in your Exadata Database Service environment.
  • To create Isolated access to a single database on the Exadata Database Service, you can create a specific association between an SSH key and a database deployment.
  • You can only move the Exadata Database Service between compartments that are in a Security Zone.

 

 Which statements is true about Power Management of resources for the Exadata Database Service?

  • For the Exadata Database Service, you can only Start and Stop the Virtual Machines from the OCI Console or from the REST APIs.
  • For the Exadata Database Service, you do not have access to the Virtual Machines to power cycle (Stop, Start, and Reboot) them from the OCI Console but you can use the REST APIs.
  • For the Exadata Database Service, you do not have access to the Virtual Machines to power cycle (Stop, Start, and Reboot) them, since Oracle is responsible for Infrastructure maintenance.
  • You can manage the power cycle functions (Stop, Start, and Reboot) of the Virtual Machines of the Exadata VM Cluster from the Exadata VM Cluster details page on the OCI console or via the REST APIs.

 

Which two statements are false about updates for the Exadata Database Service?

 

  • The Exadata Database Service provides Monthly Critical Security fixes, that must be applied within 180 days of the last applied patch.
  • The Exadata Database Service only provides Quarterly Updates that include updates for Infrastructure and user managed software.
  • The Exadata Database Service provides Monthly Critical Security fixes for severe vulnerabilities to the infrastructure software with CVSS scores greater than 7, that must be applied within 21 days of its availability.
  • Quarterly update bundles for the Exadata Database Service provide new versions of the Exadata Image, the latest set of security fixes and other essential patches for the infrastructure components, and updates for the cloud software components that run on the infrastructure components.

 

Which two statements are true about Management Responsibilities for the Exadata Database Service?

 

  • To support managing the Exadata Database Service, you will need to cross train your staff to be able to manage the user managed components in the Customer VM.
  • For the Exadata Database Service, Oracle has access to manage the Customer VM but is audited to ensure data safety.
  • When you subscribe to the Exadata Database Service, the customer is responsible for managing everything that runs in the customer VMs.
  • For the Exadata Database Service, customers can install and manage additional software in the customer VM. (*)

 

 Which statement is false about Management Responsibilities for the Exadata Database Service?

  • For the Exadata Database Service on Exadata Cloud@Customer Customers conduct infrastructure maintenance using cloud automation tools.
  • For the Exadata Database Service on Exadata Cloud@Customer Oracle owns and manages the infrastructure.
  • For the Exadata Database Service customers are not authorized to access the Oracle infrastructure.
  • For the Exadata Database Service in the Oracle Public Cloud Oracle owns and manages the infrastructure.