Oracle 1z0-338 問題集

質問 1：
Which three tools can be used on a freshly re-imaged Exadata system to create, resize, or delete ACFS filesystems? (Choose three.)
A. OUI
B. ASMCA
C. Enterprise Manager Express
D. Enterprise Manager Cloud Control
E. RMAN
F. SQL*Plus and ASMCMD
正解：B,C,F
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Which statement is true about Exadata Storage Servers?
A. Exadata requires a running database instance on all storage servers and database servers.
B. Redundancy for the user data that is stored in a database that is running on Exadata is achieved with RAID5.
C. Exadata uses network affinity to determine which storage server data is written.
D. Communication between a database and an Exadata storage flows over low latency 10 Gigabit Ethernet.
E. Exadata Storage Servers automatically delete old diagnostic and metric files.
正解：E

質問 3：
Your government customer has purchased a full rack of Exadata. The customer has two departments that would like to share the Exadata Database Machine but the concern is that department A will be able to see data from department B.
Which architecture would you suggest to solve this deployment issue?
A. Split the configuration by using Oracle Nimbula's cloud software so that four database servers and seven cells can be used by department A and the rest can be used by department B.
B. Set up instance caging to ensure that department A has access only to four database servers and seven cells and department B has access to the rest.
C. Define the split by setting up database services that are specific to department A and department B.
D. Split the configuration and use ASM-Scoped Security so that four database servers and seven cells can be used by department A and the rest can be used by department B.
正解：C

質問 4：
Oracle ILOM is an embedded service processor in many Oracle Exadata Database Machine components.
What are three features provided by Oracle ILOM? (Choose three.)
A. secure access for lights out management of the database and storage servers
B. listener access through the back-end management interface for MySQL and SQL Developer
C. web-based, secure shell, IPMI, and SNMP access for out-of-band management
D. storage cell monitoring through the CeIICLI interface
E. role-based security access to limit functions to individual user administration tasks
正解：A,C,E

質問 5：
Which two statement are true about enabling the write-back flash cache?
A. flashcachemode should be set to write back by updating cellinit.ora and restarting cellsrv.
B. When enabling the write-back-flash-cache in a rolling manner dbcli should be used to inactivate the grid disks on all cells first.
C. Before write-back-flash-cache is enabled you need to drop the flash cache first.
D. Write back flash cache requires a minimum required software version.
E. When enabling write-back-flash-cache in a non-rolling manners it is important to ensure that asmdeactivationoutcome is set to yes andasmmodestatus is set to online for all grid disks.
正解：C,D

質問 6：
Which statement explains the difference between Normal and High redundancy ASM failure groups?
A. High redundancy gives more usable storage, whereas Normal redundancy provides better I/O performance.
B. Normal redundancy (best practice) provides protection against two simultaneous disk failures, whereas High redundancy provides protection against a single disk failure or an entire storage server failure.
C. Normal redundancy protects the DATA diskgroup, whereas High redundancy protects the RECO diskgroup.
D. Normal redundancy tolerates a single cell failure, whereas High redundancy tolerates a two-cell failure.
E. Normal redundancy protects from disk failure when a cell is offline or being updated, whereas High redundancy protects the system when all the cells are offline.
正解：D

質問 7：
What are three Oracle recommended methods for migrating to Exadata with the least amount of down time? (Choose three.)
A. Expdp and Impdp
B. physical migration by using Data Guard
C. CTAS over a database link
D. Cross Platform Incremental Backup and Restore
E. logical migration by using RMAN and GoldenGate
正解：B,D,E

質問 8：
Which three steps should you perform before executing the following command which will set the cell flash cache mode to write back?
# cellcli -e alter cell flashcachemode=writeback
A. Drop the existing flash cache on the cell.
B. Shutdown the cellsrv services on the cell.
C. Inactivate the grid disks on the cell.
D. Create a new flash cache on the cell.
E. Disable the storage indexes on the cell.
F. Inactivate all physical disks on the cell.
正解：A,B,C