Oracle Exadata 1Z0-027 Certification

Oracle Exam 1Z0-027 Oracle Exadata X3 and X4 Administration

Oracle Exadata 1Z0-027

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QUESTION NO: 1 Which one is true to erase all flash cache? A. CellCLI> DROP CELLDISK ALL FLASHDISK ERASE=7pass B. CellCLI> DROP CELLDISK ALL FLASHDISK ERASE=1pass C. CellCLI> DROP CELLDISK ALL FLASHDISK ERASE=3pass D. CellCLI> DROP GRIDDISK ALL FLASHDISK FORCE NOWAIT Answer: A Explanation – Buy Full Product QUESTION NO: 2 Which two are Oracle recommendations for media based backups performed for a database running on a Database Machine? A. Allocate equivalent number of channels and instances per tape drive. B. Perform periodic level 0 backups and daily cumulative level-1 backups. C. Use the InfiniBand network between the database server and media server. D. Configure Recovery Manager (RMAN) channels to connect to the least loaded instances. E. Use InfiniBand network between the media server and the storage servers. Answer: A,C Explanation – Buy Full Product QUESTION NO: 3 What is the benefit of bonding the client access network configuration?

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A. Improved performance B. Improved reliability C. Both improved performance and reliability D. A Single Client Access Name (SCAN) E. Improved monitoring Answer: B Explanation – Buy Full Product QUESTION NO: 4 We have to migrate database using transportable database to exadata database machine. Oracle database version is 11gr2. Which four are true for this migration? A. Source oracle software version must be at list 11.1 B. Source oracle software version must be at least 11.2 C. Oracle software version is not dependent for transportable database migration D. Source operating system architecture must be little endian format E. Source operating system architecture must be high endian format F. Target and source oracle software version must be same G. Target and source operating system architecture must be same Answer: B,D,F,G Explanation – Buy Full Product





QUESTION NO: 5 Identify two valid reasons for creating multiple grid disks on a Single cell disk. A. To segregate storage into multiple pools with different performance characteristics B. To facilitate normal or high redundancy ASM disk groups C. To enable disk mirroring for the system area D. To segregate storage into multiple pools that can be assigned to different databases E. To segregate storage into multiple pools that can be assigned to different resource consumer groups in the same database. Answer: A,D Explanation – Buy Full Product QUESTION NO: 6 You plan to migrate an Oracle database that supports an online transaction processing (OLTP) workload to your Database Machine. Following are details for the source database: Database version: 10.2.0 Byte order: Big Endian HP-UX (64-bit) Database size: 24 TB Storage: ASM with 1 MB allocation unit size Which two are supported migration methods? A. Physical migration using ASM online Migration B. Physical migration using Transportable Database C. Logical migration using Oracle Streams D. Local migration using Oracle Streams




E. Logical migration using logical standby Answer: B,C Explanation – Buy Full Product QUESTION NO: 7 You have configured a multi-rack Database Machine with two X3-8 full racks all in a single cluster and storage grid. Which two are true regarding the servers on which Enterprise manager agents must be deployed in order to monitor all components of the multi-rack Database Machine? A. On only one database server in the first rack B. On all storage servers in all racks C. On at least two storage servers in the first rack D. On all database servers in the first rack E. On only one database server in second rack F. On all database servers in second rack G. On at least two storage servers in the second rack Answer: D,F Explanation – Buy Full Product QUESTION NO: 8 You are about to run the oplan utility to patch the servers on your test Database Machine before patching the production environment. The following task might be performed:





A. Test the failback procedure B. Run the exachk utility C. Read the README file. D. Automate the patch application process as appropriate. E. Verify that the patch provides the functionality it is meant to. F. Apply the patch. G. Evaluate the system performance. In which order should the tasks be performed to patch in the recommended fashion? A. C, B, D, F, B, E, A B. C, D, F, B, E, G, A, B C. C, B, D, F, E, G, A D. C, B, D, F, E, A, G E. C, B, D, F, B, E, G, A Answer: E Explanation – Buy Full Product QUESTION NO: 9 You plan to migrate your Oracle Version 11.1.0.2 database to your Exadata Database Machine. The database supports an online transaction processing (OLTP) workload and is currently hosted on a Little Endian platform Which two are the supported and appropriate migration methods to minimize downtime? A. Upgrade source database to 11.2.0 and migrate using a physical standby database.




B. Migrate using Data Pump. C. Migrate using Golden Gate. D. Migrate using cross platform Transportable Database. E. Migrate using ASM online migration. Answer: A, C Explanation – Buy Full Product QUESTION NO: 10 Identify the correct sequence of commands to completely power off a Database Machine in an Orderly fashion: 1. Execute “crsctl stop cluster –all” as the grid user from one database server. 2. Execute “crsctl stop cluster –all” as the root user from one database server. 3. Power off all network switches using their power switch. 4. Execute “crsctl stop cluster –all” as the root user from one database server. 5. Execute “crsctl stop cluster –all” as the grid user from one database server. 6. Power off the rack using the power switches on the PDUs. 7. Execute “shutdown –h now” on all database servers. 8. Execute “shutdown –h now” on all Exadata storage servers. 9. Execute “shutdown –h now” on all servers. A. 1, 9, 3 and 6 B. 2, 9 and 6 C. 4, 7, 8, 3 and 6




D. 5, 8, 7, 3 and 6 E. 2, 8, 7, 3 and 6 F. 1, 8, 7, 3 and 6 G. 2, 7, 8 and 6 H. 2, 8, 7 and 6 Answer: C Explanation – Buy Full Product QUESTION NO: 11 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 Explanation – Buy Full Product QUESTION NO: 12 Identity the resource bottleneck for which QoS Management can generate recommendation?





A. CPU resource bottlenecks B. Global Cache resource bottlenecks C. I/O resource bottlenecks D. Network resource bottlenecks Answer: A Explanation – Buy Full Product


Oracle Exadata 1Z0-027 Certification

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