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Regenerate 1Z0-027 Simple Questions Latest Practice Test Questions VCE PDF Dumps

Qustion No. 1

You have two very large databases supporting OLTP workloads which run on multiple small-blade style servers in a cluster and which require optimal latency for I/O. 

You plan to migrate them to a Database Machine once a capacity planning exercise is finished. 

The database backup strategy requires that backups are written directly to media. 

High availability requirements state that you must be able to survive node failures at any time. 

Which three Database Machine components or features would you recommend to support these requirements? 

A. Use of write back flash cache 

B. Use of smart flash logs 

C. High capacity disks in the Database Machine 

D. High performance disks in the Database Machine 

E. A high capacity expansion full rack 

F. A high performance expansion full rack 

Answer: BDE 

Qustion No. 2

You have a partitioned database grid on an X3-2 full rack with two four-node RAC clusters called CLUSA and CLUSB. The storage grid, however, has not been partitioned. 

Which files on which servers must be modified after connecting an Exadata storage full expansion rack to your X3-2 Exadata Database Machine on the InfiniBand network so that the cells on the expansion rack are added to the storage grid? 

A. The CELLINIT.ORA files on database servers in CLUSA 

B. The CELLIP.ORA files on the database servers in CLUSA 

C. The CELLINIT.ORA files on the database servers in CLUSB 

D. The CELLIP.ORA files on all existing and newly added Exadata storage servers. 

E. The CELLIP.ORA files on the database servers in CLUSB 

Answer: BE 

Qustion No. 3

To guarantee proper cooling, you plan to place perforated floor tiles near your Database Machine. 

Where, in relation to the cabinet, should they be placed? 

A. On the left side, because the air flow is from left to right 

B. At the back, because the air flow is from back to front 

C. On the right side, because the air flow is from right to left. 

D. At the front, because the air flow is from front to back 

E. Underneath the cabinet, because the air flow is from bottom to top 

Answer: D 

Qustion No. 4

You plan to monitor the status of the motherboard, memory, power, fans, and network cards on the database nodes in your Database machine using Enterprise Manager. 

Where must you set the thresholds for these hardware components and why to assure that sensor readings, faults any related alerts, are visible in Enterprise Manager? 

A. Set thresholds in ILOM and in Enterprise Manager because they are not preset anywhere and must be set in both places 

B. Set thresholds only in ILOM because they are not preset anywhere but need only be set in ILOM. 

C. No thresholds need be set because they are preset in the ILOM and in Enterprise Manager. 

D. No thresholds needho set because they are preset in the ILOM and these are sufficient for monitoring. 

Answer: D 

Qustion No. 5

Which two are true about Smart Scan? 

A. a query rewrite may occur to a container table stored in Exadata but will never benefit From Smart scan. 

B. Column projection does not contribute to the performance benefit of Smart Scan 

C. It is possible to offload single row functions to the storage servers. 

D. Some joins can be offloaded to the storage servers. 

E. A query rewrite may occur to a container table stored Exadata, and it will always benefit from Smart Scan. 

F. All joins can be offloaded to the storage servers. 

Answer: CD 

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