Oracle Exadata Database Machine 2014 Implementation Essentials (1z0-485) Free Practice Test

Question 1

Consider the following software changes that are performed manually on a Linux server:
1.Changes for Linux kernel firewall configuration
2.Changes for custom performance monitoring tools
3.Changes for security scan tools
4.Changes for Linux system performance optimization
Which of the software changes listed are permitted on Exadata Storage Servers?

A. only 2 and 3

B. 1, 2, 3, and 4

C. only 2

D. only 1 and 2

E. none

F. only 3 '

Correct Answer: D

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Question 2

Identify two ways to reduce the risks associated with the software updates that are performed on a production Exadata system.

A. Updating an engineered system has no risk.

B. Patch all systems at once instead of one at a time.

C. Create a system-wide firmware and software snapshot first.

D. Test on an Exadata system that is identical to the production system first.

E. Patch on the standby system first by using Data Guard Standby First Patch Apply.

Correct Answer: D,E

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Question 3

Which Exadata feature uses Flash as a parallel write cache to Disk Controller Cache?

A. InfiniBand network cache

B. Hybrid Columnar Compression

C. Smart Flash Log

D. Exadata DRAM

E. high performance SAS disks

Correct Answer: C

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Question 4

What would be the best way to ensure that batch Jobs do not impact performance of online queries that use the same database?

A. Configure and enable Parallel Query.

B. Build a Database Resource Management Plan, giving priority to query workload.

C. Deploy Instance Caging to control batch jobs.

D. Configure IORM to disable Flash Cache usage for batch workload.

E. Configure resource plans by using the I/O Resource Manager on the storage cells, giving priority to query workload.

Correct Answer: B

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Question 5

Which is the best location to point your customer to, for finding the latest Exadata patches?

A. MyOracle Support note 888828.1

B. Patch database in MyOracle Support

C. MyOracle Support for database patches, ULN for OS patches, and Sun Support for Server and InfiniBand patches.

D. owner's guide

Correct Answer: B

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Question 6

Identify three Exadata Storage Server software processes and their purpose?

A. CELLSRV: The Cell Server is responsible for servicing disk I/O and predicate processing offload.

B. CELLSRV: The Cell Server is responsible for balancing workload to other storage servers.

C. MS: The Management Server is responsible for starting a local Enterprise Manager agent.

D. RS: The Restart Server is responsible for Automatic Storage Management (ASM) instance restart.

E. RS: The Restart Server is responsible for CELLSRV and MS monitoring and restart.

F. MS: The Management Server is responsible for storage cell management and configuration.

Correct Answer: A,E,F

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Question 7

Which table compression technique will not work on Exadata without licensing the Oracle Advanced Compression Option?

A. COMPRESS FOR ARCHIVE

B. COMPRESS BASIC

C. COMPRESS FOR QUERY

D. COMPRESS FOR OLTP

E. COMPRESS

Correct Answer: D

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Question 8

Consider this CellCLI command:
CellCLI> CREATE GRIDDISK ALL HARDDISK PREFIX=data, size=423G;
Which two statements describe what happens when you execute this command?

A. It creates one 423 GB grid disk on each available cell hard disk.

B. It creates an Exadata Smart Flash Cache on all flash drives.

C. It creates one 423 GB grid disk on the first available cell hard disk.

D. It creates grid disks on the innermost 423 GB that is available on each hard disk.

E. It creates grid disks on the outermost 423 GB that is available on each hard disk.

Correct Answer: A,E

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Oracle Exadata Database Machine 2014 Implementation Essentials (1z0-485) Free Practice Test