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 enabling write-back flash cache?

A. Write-back flash cache is on by default for High Capacity Storage Servers in High Redundancy configurations.

B. Write-back Flash Cache cannot be used on Extreme Flash Storage Servers.

C. When enabling write-back flash cache in a non-rolling manner, you need to drop the Persistent Memory Commit Accelerator (PMEMLog) first.

D. When enabling write-back flash cache in a rolling manner, DBCLI should be used to inactivate the grid disks on all cells first.

E. Before write-back flash cache is enabled, you need to drop the Flash Cache first.

正解：A,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 of the below is NOT a precaution that should be adhered to in order to ensure the site is safe and ready for

A. Be sure that each grounding wire used for Oracle Exadata Rack is used exclusively for Oracle Exadata Rack.

B. Do not place anything on top of Oracle Exadata Rack.

C. Do not install Oracle Exadata Rack near a photocopy machine.

D. Do not install Oracle Exadata Rack in a location that is exposed to direct sunlight.

E. When using shared grounding, the grounding resistance must not be greater than 10 ohms.

F. Do not use a flathead screwdriver to disconnect connector locks on LAN cables.

正解：C 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：3

You are monitoring PMEM cache to see if it is being used effectively with RDMA. Which two of these sources contain information about the RDMA I/O statistics?

A. Database lOs section in AWR Report

B. Database Statistics (v$ View)

C. PMEM Cache Space Usage section in AWR Report

D. Exadata Metrics (LIST METRICCURRENT)

E. PMEM Cache User Reads section in AWR Report

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

An Exadata storage server physical disk on an X9M-2 high-capacity full rack entered the predictive failure state. Which two steps must you perform to replace this failed physical disk?

A. Verify that the griddisks located on the physical disk have been successfully dropped from the associated ASM diskgroups.

B. Add the griddisks back into the ASM diskgroup they used to be a member of.

C. Replace the failed physical disk.

D. Identify the griddisks located on the failed physical disk and drop them from the associated ASM diskgroups.

E. Rebalance the data on the effected griddisks before performing a manual drop command.

F. Create a new celldisk and new griddisks on the replaced physical disk.

正解：C,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：5

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

解説: (GoShiken メンバーにのみ表示されます)

出題：6

Which two Exadata 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. File permissions on the griddisks in each database server

B. Using EXADCLI instead of CELLCLI to create the griddisks

C. Exadata storage realms using ASM-scoped security mode

D. Exadata storage realms using database-scoped security mode

E. File permissions on the griddisks in each storage server

正解：C,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 have been asked to design a backup solution for an Exadata X9M-2 Quarter Rack with Extreme Flash Storage Servers connected to a new ZFS Storage Appliance ZS7 with 2 Storage Controllers with 100Gb Ethernet cards and 3 Storage Trays. You are using Oracle Exadata Configuration Assistant to validate the rack layout.
1. Use "Add Equipment" to add the Exadata X9M EF Storage Servers, starting from RU10.
2. Use drop down to add ZFS Storage Appliance Controllers.
3. You cannot add ZFS Storage Appliance to an Exadata Rack.
4. Use "Add Equipment" to add the ZFS Storage Trays, starting from RU1.
5. Use drop down to add ZFS Storage Trays.
6. Use "Add Equipment" to add the Exadata X9M Database Servers, starting from RU16.
7. Use "Add Equipment" to add the Exadata X9M EF Storage Servers, starting from RU1.
8. Use drop down to add Exadata X9M EF Storage Servers.
9. Use "Add Equipment" to add the ZFS Storage Controllers, starting from RU27.
10. Use drop down to add Exadata X9M Database Servers.
11. Use "Add Equipment" to add the ZFS Storage Trays, starting from RU31.
Which of these steps are correct and what is their correct order?

A. 10, 8, 2, 5

B. 10, 8, 9, 11

C. 4,1, 6, 9

D. 7,6,9,11

E. 3

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：8

You have configured a multirack Database Machine with two X9M-8 full racks all in a single cluster and storage grid comprising a total of 4 X9M-8 Database servers and 28 X9M-8 Storage servers.
Which two options are true regarding the servers on which Enterprise Manager agents must be deployed in order to monitor all components of this multirack configuration?

A. on all database servers in both racks and one storage server in each rack

B. on all database servers in the second rack

C. on all storage servers in both racks

D. on all database servers and at least two storage servers in both racks

E. on at least two storage servers in both racks

F. on all database servers in the first rack

G. on only one database server in both racks

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：9

Which statement is true about the patching features provided in Platinum Services?

A. Patching services are available for the full software stack up to twice per year.

B. Patching is done automatically during business hours.

C. The rolling and complete down time approaches are two options to patching.

D. Oracle Platinum Service covers Exadata storage software and firmware patching, but customers must perform the database patching.

正解：A 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」