1z1-070試験無料問題集（105題）「Oracle Exadata X5 Administration 認定」

出題：1

Which three are sources for alerts from storage servers in an X5 Database Machine?

A. Hardware sensor alerts reported by the CELLSRV process on the storage servers

B. Software errors reported by the RS process on the storage servers

C. Hardware sensor alerts detected by the ILOM on the storage servers

D. Software errors reported by the MS process on the storage servers

E. Metrics that have administrator-defined thresholds on the storage servers

正解：A,D,E 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：2

Which two activities are supported on the storage servers in an Exadata X6 Database Machine?

A. Configuring secure shell user equivalency for the cellmonitor user

B. Upgrading a device driver for hard disks when inserting a replacement disk after a hard disk failure

C. Upgrading the Storage Server software package using RPM

D. Installing an alternative package manager

E. Changing the root password

正解：C,D 解答を投票する

出題：3

You plan to migrate an Oracle database that supports an online transaction processing (OLTP) workload to your X6 Database Machine. The Database Machine database version is 11.2.
You plan to perform a physical database migration using Transportable Database.
Which two are requirements for this method?

A. The source database must use only bigfile tablespaces.

B. The source database must be at least 11.1.

C. The source database must be deployed on a Big Endian platform.

D. The source database must be at least 11.2.

E. The source database must be deployed on a Little Endian platform,

F. The source database must not use bigfile tablespaces.

正解：D,E 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：4

You issued these commands to all Exadata Storage Servers in an X6 Exadata Database Machine using dcli:
alter iormplan objective = low_latency
alter iormplan active
There are no database or category plans defined.
You are encountering disk I/O performance problems at certain times, which vary by day and week.
DSS and Batch workloads perform well some of the time.
Further investigation shows that at times, the workloads are all OLTP I/Os, at other times all batch I/Os, and sometimes a bit of each.
You wish to have disk I/O managed so that performance will be optimized for all workloads.
Which statements would you issue to all Exadata Storage Servers to achieve this?

A. alter iormplan objective=low_latency

B. alter iormplan objective=high_throughput

C. alter iormplan objective=' '

D. alter iormplan objective=balanced

E. alter iormplan objective=auto

正解：E 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：5

Which two Exadata X5 security features would you configure to control which databases can access which griddisks, when multiple databases share space on your storage servers in an unpartitioned storage grid?

A. Using EXADCLI instead of CELLCLI to create the griddisks

B. file permissions on the griddisks in each storage server

C. Exadata storage realms using ASM-scoped security mode

D. file permissions on the griddisks in each database server

E. Exadata storage realms using database-scoped security mode

正解：C,E 解答を投票する

出題：6

You plan to migrate a very large database supporting a DSS workload to your new X5 Database Machine.
It will be the only database on this full rack.
Which three statements are true about Database Machine features that improve performance for the DSS workload?

A. Full table scan operations can improve due to the default Smart Flash Cache implementation.

B. Smart Storage operations can improve the performance of scans.

C. Hybrid Columnar Compression can reduce the amount of physical I/O required to scan large tables.

D. Smart Storage operations can improve the performance of joins.

E. Hybrid Columnar Decompression overheads can be offloaded from the database servers for index full scans.

正解：A,B,E 解答を投票する

出題：7

Which two statements are true about the EXACLI utility?

A. It requires access through a cell user that has role-based privileges granted.

B. It can be executed using the EXADCLI utility.

C. It requires the same privileges as the celladmin linux user to create CELLDISKS and GRIDDISKS.

D. It can be executed directly on cells.

E. It supports all CELLCLI commands.

F. It can execute commands on multiple cells in parallel.

正解：B,F 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：8

Which two statements are true about backup performance when using Recovery Manager (RMAN) on an X5 Database Machine?

A. Backups are fast, because physical I/Os operations are reduced by the use of the Storage Index by cellsrv.

B. Backups are fast because the Infiniband network is faster than fiber channel storage, so RMAN read I/O operations are faster than in traditional storage networks.

C. Backups are fast, because all data blocks are read from the Exadata Smart Flash Cache.

D. Backups are fast, because data blocks are read from the Database Flash Cache.

E. For incremental backups using Block Change Tracking, cellsrv filters blocks and returns only those that have changed since the last backup.

正解：C,E 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：9

Which two statements are true about Auto Service Request (ASR) with an X5 Database Machine?

A. ASR Manager must be installed and configured on a dedicated server external to the Database Machine.

B. ASR communicates with Oracle support services using HTTPS.

C. ASR Manager must be installed and configured on one of the database servers.

D. ASR Manager opens a service request (SR) automatically after sensors detect hardware faults.

E. ASR can upload configuration metadata to support problem resolution.

F. Configuring ASR is mandatory for all Database Machine assets.

正解：A,D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：10

You plan to migrate an existing production database supporting online transaction processing (OLTP) workloads to an X6 Exadata Database Machine.
The database currently supports an application requiring fast response times to satisfy stringent business requirements, and most of the application queries use indexed access to tables.
For which two cases would you consider dropping indexes that are not used for constraints after the migration to assure that Smart Scans occur?

A. if Smart Scan performs better that any type of index scan on the corresponding table.

B. if Smart only occur instead of index skip scans on the corresponding table.

C. if Smart only occur instead of index range scans on the corresponding table.

D. if Smart Scans performs equally well to any type of index scan on the corresponding table.

正解：A,C 解答を投票する

1z1-070試験無料問題集「Oracle Exadata X5 Administration 認定」