[2018 New] Oracle certification 1Z0-070 practice exam

By | February 10, 2018

1Z0-070 exam is a required test for Oracle Certified Expert, Oracle Exadata X5 Administrator certification. Testpassport Oracle 1Z0-070 exam practice questions cover all the exam topics of real test. Besides, you can use coupon code “spring” to enjoy 21% discount on Testpassport Oracle 1Z0-070 exam questions now.

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Share some Engineered Systems 1Z0-070 exam questions and answers below.
Which two statements are true about Exadata X5 cell metrics and alerts?
A. Cell alerts on each storage server are accumulated in memory by the CELLSRV process and stored on a filesystem-based repository.
B. Cell metrics are written to disk every hour by default.
C. Cell metrics on each storage server are accumulated in memory by the CELLSRV process and written to a filesystem-based repository.
D. Cell alerts on each server are accumulated in memory by the MS process and stored on a filesystem-based repository.
E. Cell alerts are written to disk every hour by default.
Answer: B,D

You plan to migrate a database supporting an OLTP workload to your new X5 Database Machine.The current database instance supports a large number of short duration sessions and a very high volume of short transactions.Which three X5 Database Machine features can improve performance for this type of workload?
A. An improved highly efficient undo and redo architecture
B. Faster optimization due to an Exadata-specific optimizer
C. Reduced I/O latency for writes due to writeback flashcache on all Exadata X5 and later models
D. Ultra high I/O performance for reads and writes when using Exadata Extreme Flash in X5 and later models
E. Reduced I/O latency for reads due to read flashcache on all Exadata X5 and later models
Answer: A,C,D

Which two must be true for a Smart Scan to occur on a table?
A. Sessions querying the table must set cell_offload_processing = true.
B. It must be stored in an ASM diskgroup with a 4MByte AU size.
C. It must be heap organized.
D. It must be accessed using direct path reads.
E. The table must not be compressed.
Answer: A,D

Which three statements are true about the EXADCLI utility?
A. It may be run interactively.
B. It can be used to execute EXACLI scripts on multiple storage servers in parallel.
C. It can be used to execute O/S commands on multiple storage servers in parallel.
D. It can be used to execute EXACLI commands on multiple storage servers in parallel.
E. It uses the same security mechanism as the EXACLI command.
F. It may be used to execute DBMCLI commands on multiple database nodes in parallel.
Answer: D,E,F

You plan to migrate a database supporting both DSS and OLTP workloads to your new X5 Database machine.The workloads contain many complex aggregating functions and expensive joins on large partitioned tables in the DSS workload and indexed access for OLTP workloads.Which three benefits accrue as a result of this migration?
A. Superior compression capability designed specifically for OLTP workloads
B. Columnar storage capability for data in row major data blocks that is held in flash cache
C. Superior compression capability designed specifically for data warehouse tables
D. Superior compression capability designed specifically for archival data
E. Superior flash cache compression technique
F. Cell offload processing for indexed-organized table access
Answer: A,C,D

Your X6 Exadata Database Machine is running Oracle Database 12c, and has a large database with some very large tables supporting OLTP workloads.High-volume insert applications and high-volume update workloads access the same tables.You wish to compress these tables without causing unacceptable performance overheads to the OLTP workload.Which three are true regarding this requirement?
A. Compression is performed on database servers when using row store compress advanced in an Exadata environment.
B. Using row store compress advanced will compress the data more than if using column store compress for archieve low.
C. The compression method column store compress for archive high is the worst fit for this requirement.
D. Compression is performed on Exadata Storage Servers when using row store compress advanced in an Exadata environment.
E. Using row store compress advanced will compress the data less than if using column store compress forquery low.
Answer: A,B,D

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