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• Exadata Database Machine Site and Implementation Planning (OECA&OEDA)
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• Exadata Database Machine Updates
• Exadata Database Machine Installation
• Exadata Database Machine Security

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q59-Q64):

NEW QUESTION # 59
You must drop all celldisks on all the storage servers in an X9M-2 quarter rack as part of a reconfiguration project.
Which three statements describe the account on the storage servers which you should use and the tool that may be used to drop the celldisks?

• A. to an administrator-created storage server user with appropriate privileges on celldisk objects by calling CELLCLI on all cells using exadcli
• B. to the CELLMONITOR account using cellcli interactively on each storage server
• C. to the CELLADMIN account using cellcli interactively on each storage server
• D. to the CELLMONITOR account calling CELLCLI on all cells using DCLI
• E. to the CELLADMIN account by calling CELLCLI on all cells using DCLI
• F. to an administrator-created storage server user with appropriate privileges on celldisk objects by calling EXACLI on all cells using exadcli

Answer: A,C,E Explanation:
To drop all celldisks on all the storage servers in an X9M-2 quarter rack, you should use the CELLADMIN account, which has the necessary privileges to perform this task. You can use the CELLCLI command-line interface to drop the celldisks. The best way to do this is by calling CELLCLI on all cells using DCLI (Oracle Database Command Line Interface) which allows you to run commands on multiple servers at once. Alternatively, you can use an administrator-created storage server user with appropriate privileges on celldisk objects by calling CELLCLI on all cells using exadcli. It is not recommended to use the CELLMONITOR account, as it has a more limited set of privileges. It is also important to note that EXACLI is not a valid tool for this task
NEW QUESTION # 60
Which two activities are supported on the storage servers in an Exadata Database Machine?

• A. upgrading the Storage Server software package using rpm
• B. upgrading a device driver for hard disks when inserting a replacement disk after a hard disk failure
• C. installing an alternative package manager
• D. changing the root password
• E. configuring secure shell user equivalency for the cellmonitor user

Answer: D,E Explanation:
According to the web search results123, the storage servers in an Exadata Database Machine are mainly used for processing data at the storage level and offloading some SQL operations from the database servers. Therefore, the two activities that are supported on the storage servers are:
1. changing the root password
2. configuring secure shell user equivalency for the cellmonitor user
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmso/exadata-introduction.html
NEW QUESTION # 61
Which are two correct statements for managing virtual deployment using Oracle Exadata Deployment Assistant (OEDA)?

• A. OEDA allows customers to have both bare metal (BM) and virtual machine (VM) in an Exadata X9M Quarter Rack.
• B. There is no limit on the number of VMs in an Exadata rack as long as the Exadata rack has adequate resources.
• C. OEDA deployment steps include calibrate cells, create cell disks, and resecure machine.
• D. OEDA sets up key-based authentication for the root user by using the setuprootssh.sh utility included with OEDA.

Answer: C,D Explanation:
1. OEDA deployment steps include calibrate cells, create cell disks, and resecure machine2.
2. OEDA sets up key-based authentication for the root user by using the setuprootssh.sh utility included with OEDA2.
NEW QUESTION # 62
For which four component failures on an X9M Database Machine does Auto Service Request (ASR) raise service requests?

• A. RoCE network interface cards in the storage servers
• B. RoCE network interface cards in the database servers
• C. Cisco management switch
• D. fans in the storage servers
• E. Cisco RDMA over Converged Ethernet (RoCE) switches
• F. power distribution units
• G. power supplies in the database servers

Answer: A,E,F,G Explanation:
According to the Oracle Auto Service Request (ASR) documentation1, ASR raises service requests for qualified Oracle products that are detected with specific faults. The qualified Exadata products include2:
Database servers
Storage servers
InfiniBand switches
Cisco switches (X8M and later systems)
Power distribution units (PDUs)
NEW QUESTION # 63
I/O performance of the prod database on your Exadata Database Machine has degraded slightly over the past month. The database has been allocated to the OLTP I/O Resource Management (IORM) category.
Which two monitoring tools might be useful in examining I/O performance for the prod database?

• A. OS I/O metrics using OS tools such as iostat on the database servers
• B. I/O-specific dynamic performance views such as v$iostatfiie, v$iostatfunction, and v$iostatconsumergroup from the prod
  database instances using SQL *p1us
• C. OS I/O metrics using OS tools such as iostat on the storage servers
• D. cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk
• E. OS I/O metrics using Enterprise Manager host pages for the storage servers

Answer: A,D
NEW QUESTION # 64
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