1Z0-902 by Oracle Valid Free Exam Practice Test

Question 1

What is the maximum DRAM capacity you can expand an X9M-2 DB Server?

A. 1024GB B. 512GB C. 2048GB D. 1536GB E. 768GB F. 384GB

Correct Answer: D

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Question 2

An Exadata storage server physical disk on an X9M-2 high-capacity full rack entered the predictive failure state. Which two steps must you perform to replace this failed physical disk?

A. Create a new celldisk and new griddisks on the replaced physical disk. B. Verify that the griddisks located on the physical disk have been successfully dropped from the associated ASM diskgroups. C. Add the griddisks back into the ASM diskgroup they used to be a member of. D. Replace the failed physical disk. E. Identify the griddisks located on the failed physical disk and drop them from the associated ASM diskgroups. F. Rebalance the data on the effected griddisks before performing a manual drop command.

Correct Answer: D,E

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Question 3

Exadata X9M enables virtualization using KVM. Which statement is true about virtualization on Exadata X9M?

A. Virtual guests from X8 and earlier can be migrated to X9M using VM Guard. B. Exadata X9M-8 supports up to 48 virtual guests regardless if Exadata Secure RDMA Fabric Isolation is configured. C. Up to 12 virtual guests per X9M-2 database server are supported. If the database server memory has 384GB and Exadata Secure RDMA Fabric isolation is configured 8 guests are supported D. Up to 12 virtual guests per X9M-2 database server are supported. E. Oracle KVM Manager should be installed on at least two Database servers per Exadata rack.

Correct Answer: D

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Question 4

You use Enterprise Manager to monitor all the components of your Exadata Database Machine.
Recently, you discovered that certain asmdisks were offline in one of the diskgroups used by the rac database called prod.
In which two sources would you find diagnostic messages related to this problem?

A. Enterprise Manager Alerts on the Exadata Storage Server Grid home page B. alert logs for the ASM instances C. alert logs for Enterprise Manager D. alert logs for the prod database instances E. Enterprise Manager Alerts on the ILOM home page for cell connectivity problems for the prod database instances

Correct Answer: B,D

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Question 5

You are planning the monitoring configuration for your Exadata X9M Database Machine.
Which three components are monitored directly through the use of Exadata-specific Enterprise Manager Plug-Ins?

A. the Power Distribution Units (PDUs) B. Hybrid Columnar Compression (HCC) ratios on Extended (XT) storage servers C. the RDMA over Converged Ethernet (RoCE) switches D. ASM instances E. the storage server ILOM F. Oracle clusterware on the database server

Correct Answer: A,C,E

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Question 6

Which two statements are true about the IPTables firewall configuration on a new Exadata Database Machine after initial deployment?

A. IPTables is installed and available but not configured on any server. B. IPTables is installed and available but not configured or running on the storage servers. C. IPTables is installed and available but not configured or running on the database servers. D. IPTables is configured and running with Oracle-supplied rules on the storage servers. E. IPTables is configured and running with Oracle-supplied rules on the database servers.

Correct Answer: B,C

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Question 7

Assume that the RDBMS and ASM instances are up and you are enabling write-back flash cache in one cell server at a time.
Which step(s) should you perform before executing the following command you your Exadata X9M-8 Database Machine, which will set the cell flash cache mode to write-back?
#cellcli -e alter cell flashCacheMode=WriteBack

A. Create a new flash cache on the cell. B. Disable the storage indexes on the cell. C. Inactivate the grid disks on the cell. D. Inactivate all the physical disks on the cell. E. Shut down the CELL5RV service on the cell. F. Drop the existing flash cache on the cell.

Correct Answer: A,F

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Question 8

Which three statements are true concerning the configuration or use of Enterprise Manager Cloud Control to monitor and manage Exadata Database Machine components?

A. Oracle management agents must only be installed on one compute node in a Database Machine to enable monitoring and management of all compute nodes and storage nodes. B. Cloud Control can monitor and manage a Database Machine storage Expansion rack. C. Compute nodes forward their SNMP traps to the Management Server process on the same compute node. D. Cloud Control cannot monitor partitioned Exadata Database Machine systems. E. Oracle management agents must only be installed on one storage node in a Database Machine to enable monitoring and management of all storage node. F. Storage nodes forward their SNMP traps to the Management Server process on the same storage node.

Correct Answer: A,B,E

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Question 9

Which statement is true about the patching features provided in Platinum Services?

A. The rolling and complete down time approaches are two options to patching. B. Patching is done automatically during business hours. C. Oracle Platinum Service covers Exadata storage software and firmware patching, but customers must perform the database patching. D. Patching services are available for the full software stack up to twice per year.

Correct Answer: D

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Oracle Exadata Database Machine X8M Implementation Essentials - 1Z0-902 Exam Practice Test