1z1-902試験無料問題集（87題）「Oracle Exadata Database Machine X8M Implementation Essentials 認定」

出題：1

Which two statements are true about the initial storage configuration after the standard (non-virtualized) deployment of a new Exadata Database Machine with High Capacity storage servers?

A. There is free space available on flashdisks inside the Exadata storage servers to configure Exadata Smart Flash Logs.

B. The DATA_<DBM_Name> and RECO_<DBM_NAME> ASM diskgroups are built on with DATA on the outer-most tracks and RECO on the inner-most tracks of the physical disk.

C. There is free space available on flashdisks inside the Exadata storage servers for possible use for storage indexes.

D. There is free space available on the hard disks inside the database servers for possible extension of the /uoi file system.

E. The sparse_<DBM_NAME> diskgroup is created automatically.

正解：A,C 解答を投票する

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出題：2

I/O performance of the prod database on your Exadata Database Machine has degraded slightly over the past month. The database has been allocated to the OLTP I/O Resource Management (IORM) category.
Which two monitoring tools might be useful in examining I/O performance for the prod database?

A. OS I/O metrics using OS tools such as iostat on the storage servers

B. OS I/O metrics using Enterprise Manager host pages for the storage servers

C. cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk

D. I/O-specific dynamic performance views such as v$iostat_fiie, v$iostat_function, and v$iostat_consumer_group from the prod database instances using SQL *p1us

E. OS I/O metrics using OS tools such as iostat on the database servers

正解：C,D 解答を投票する

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出題：3

You use Enterprise Manager to monitor all the components of your Exadata Database Machine.
Recently, you discovered that certain asmdisks were offline in one of the diskgroups used by the rac database called prod.
In which two sources would you find diagnostic messages related to this problem?

A. alert logs for the prod database instances

B. alert logs for the ASM instances

C. Enterprise Manager Alerts on the ILOM home page for cell connectivity problems for the prod database instances

D. Enterprise Manager Alerts on the Exadata Storage Server Grid home page

E. alert logs for Enterprise Manager

正解：A,B 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

What is the maximum DRAM capacity you can expand an X9M-2 DB Server?

A. 384GB

B. 1536GB

C. 768GB

D. 512GB

E. 1024GB

F. 2048GB

正解：B 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

Your system administrator reports an amber, non-blinking light on one of your Exadata storage disks. You immediately execute the 'list physicaldisk where diskType=HardDisk and status=failed DETAIL' command on the Exadata storage system and the specified disk is indeed reported as failed. Platinum Support has not been enabled for this system. Enterprise Manager Cloud Control is monitoring the system.
What is the next step that you should perform before you do anything else?

A. Check the database to see if any rebalance operations are active.

B. Download and run the latest exadiag tool.

C. Ask the system administrator to replace the broken disk with a spare.

D. Call Oracle Support and make an appointment so that the drive can be replaced.

E. Wait for a blue light to appear on the disk if the rebalance operation is running.

F. Wait for the email of the failure that Exadata or Enterprise Manager will send.

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：6

Which statement is FALSE about the OEDA command line interface (OEDACU)?

A. Resize Oracle ASM disk groups.

B. Add or remove additional databases.

C. Add or remove Oracle Database home directories.

D. Support ZDLRA life cycle management operation.

E. OEDACU has Edit mode and Deploy mode.

F. Add nodes to and remove nodes from a VM cluster.

正解：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：7

You are in the process of upgrading your nonvirtualized X9M-2 Database Machine elastic configuration with 4 database servers and 7 HC storage servers with an additional 4 database servers and 7 HC storage servers.
The new storage servers are called DM01CEL08 through dmoicel14.
After creating 96 new griddisks, you issued this SQL statement:

How many failgroups if any, will be added to the DATE diskgroup by executing this SQL statement?

A. 12 consisting of seven griddisks each

B. 96 consisting of one griddisk each

C. 7 consisting of 12 griddisks each

D. 0 because the new griddisks will be added to the existing faiigroups

E. 1 consisting of all 96 griddisks

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：8

Which statement is true about the disks that are used in ASM diskgroups on the Exadata platform?

A. Extreme Flash (EF) and High Capacity (HC) disks can be mixed to any capacity within the same diskgroup.

B. If High redundancy is selected, grid disks from the primary and secondary Exadata Database Machine must be specified.

C. In an Exadata storage server, each disk is placed into a separate failure group.

D. Sparse diskgroups are virtual objects allocated from the DATA diskgroup.

E. The grid disks in ASM diskgroups must have similar performance characteristics in addition lo having the same size.

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：9

You are hardening the security posture of your Exadata Database Machine. Before disabling ssh access to the storage servers, what should you do to enable REST access to the MS process?

A. Install Oracle Rest Data Services on each Database server and install the MS APEX application.

B. The MS Process on the storage servers is natively endowed with REST services, but are not enabled by default.

C. Install Oracle Rest Data Services on each Storage server and install the MS APEX application.

D. The MS Process on the storage servers is natively endowed with REST services and are enabled by default, however, appropriate roles and users should be created to ensure security.

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

1z1-902試験無料問題集「Oracle Exadata Database Machine X8M Implementation Essentials 認定」