Oracle 1Z0-902 問題集

質問 1：
Which two options describe the flash memory capabilities of the Exadata X9M-2 database and storage severs?
A. No flash storage on the database server
B. 4 x 6.4 TB NVMe flash cards on the High Capacity (HC) storage server
C. 8 x 6.4 TB NVMe flash cards on the Extreme Flash (EF) storage server
D. 8x 6.4 TB NVMe flash cards on the Extended (XT) storage server
E. 4 x 6.4 TB NVMe flash cards on the database server
正解：B,C
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Which dbmcli command is NOT valid on Exadata X9M?
A. dbmcli -e "LIST METRICHISTORY WHERE name LIKE 'DS_.*'"
B. dbmcli -e "LIST METRICCURRENT WHERE name = 'DS_TEMP' "
C. dbmcli -e "LIST ALERTHISTORY WHERE agelnMinutes < 15"
D. dbmcli -e "LIST IBPORT DETAIL"
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Which three statements are true about Oracle Configuration Manager (OCM) for an Exadata Database Machine?
A. It is mandatory to install OCM on at least one database server.
B. Collected configuration information can be uploaded manually to Oracle.
C. It collects configuration information on demand.
D. It is mandatory to install OCM on all database servers.
E. It collects configuration information automatically.
F. Collected configuration information can be uploaded automatically to Oracle.
正解：C,E,F
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Which three steps are required to expand an Exadata X9M-2 Database Server with the lowest memory configuration available to the highest memory configuration?
A. Shutdown the Database Server if running.
B. Add 32x 64GB DIMMs.
C. Add 12x 32GB DIMMs.
D. Add 24x 32GB DIMMs.
E. Add 16x 32GB DIMMs.
F. Memory cannot be expanded on Exadata X9M-2 Database Servers.
G. Remove existing memory modules.
H. Add 12x 64GB DIMMs.
I. Add 16x 64GB DIMMs.
正解：A,B,G
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Which two quarantine types can disable Smart Scan for multiple databases that offload SQL statements to a cell on an Exadata Database Machine?
A. SQL Plan Quarantine
B. Cell Offload Quarantine
C. Disk Region Quarantine
D. Database Quarantine
E. Manually created Quarantine
正解：A,B
解説: (Topexam メンバーにのみ表示されます)

質問 6：
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. Sparse diskgroups are virtual objects allocated from the DATA diskgroup.
C. If High redundancy is selected, grid disks from the primary and secondary Exadata Database Machine must be specified.
D. In an Exadata storage server, each disk is placed into a separate failure group.
E. The grid disks in ASM diskgroups must have similar performance characteristics in addition lo having the same size.
正解：E
解説: (Topexam メンバーにのみ表示されます)

質問 7：
What are two recommended configuration best practices for backup and recovery on Exadata?
A. When off-site long-term backup retention is needed, use Oracle Database Backup Cloud Service as a low-cost, offsite scalable storage for a disaster recovery solution.
B. The internal Recovery Appliance backup and restore processing is optimized when the RMAN FILESPERSET parameter is set to 1 for the level 1 incremental backup set.
C. Even if the backup was limited to writing to four tape drives, eight channels could be specified to expedite the restore process.
D. Placing the backup network on dedicated switches installed in the top of the rack (ToR) has the benefits of isolating the backup network from other workloads and providing a greater level of control.
正解：A,D
解説: (Topexam メンバーにのみ表示されます)

質問 8：
Which of the following is NOT a requirement when validating, receiving, unpacking, and planning access route and space requirements for Exadata Database Machine?
A. The entire access route to the installation site should be free of raised-pattern flooring that can cause vibration.
B. 914mm of space required above the rack height is required for maintenance access.
C. A conditioned space is required to remove the packaging material to reduce particles before entering the data center.
D. Oracle Exadata Rack may only be installed on raised floor environments.
E. The incline of any access route ramp must be less than or equal to 6 degrees.
F. All four leveling and stabilizing feet should be raised and out of the way prior to moving the rack.
正解：D
解説: (Topexam メンバーにのみ表示されます)