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Share some Engineered Systems 1Z0-070 exam questions and answers below.
Which four are true about Exadata features?
A. Storage Indexes persist across Exadata storage server reboots.
B. Data Warehouse workloads will benefit from Smart Flash Cache configured in Write-Through mode.
C. Hybrid Columnar Compressed tables can be compressed and decompressed on Exadata storage servers.
D. Hybrid Columnar Compressed tables can be compressed and decompressed on the database servers.
E. OLTP workloads will benefit from Smart Flash Cache configured in Write-Back mode.
F. Storage Indexes persist across database server reboots.
Which three must be true for a Smart Scan to occur for a table?
A. cell_offload_processing must be true in sessions issuing SQL statements that access the table.
B. The query must be executed serially.
C. The query must be executed in parallel.
D. Direct path reads must be used at run time.
E. The ASM diskgroup containing the table’s tablespace must have a 4 Mbyte AU size.
F. The ASM diskgroup containing the table’s tablespace must have cell.smart_scan_capable set to true.
Your X6 Exadata Database Machine is running Oracle Database 12c, and has a large database with some very large tables supporting OLTP workloads.High-volume insert applications and high-volume update workloads access the same tables.You wish to compress these tables without causing unacceptable performance overheads to the OLTP workload.Which three are true regarding this requirement?
A. Compression is performed on database servers when using row store compress advanced in an Exadata environment.
B. Using row store compress advanced will compress the data more than if using column store compress for archieve low.
C. The compression method column store compress for archive high is the worst fit for this requirement.
D. Compression is performed on Exadata Storage Servers when using row store compress advanced in an Exadata environment.
E. Using row store compress advanced will compress the data less than if using column store compress forquery low.
A file contains a script with several EXACLI commands that must be executed on each cell in an X5 full rack.The script must run on each cell simultaneously.How would you achieve this?
A. Copy the script to all cells using the DCLI command and manually execute it on each cell using the DCLI command.
B. Copy the script to the cells using the EXACLI command and execute the script on all cells using the EXACLI command.
C. Execute it on all cells using the EXADCLI command specifying the file name containing the EXACLI script.
D. Copy the script to all cells using the CELLCLI command and execute it on all cells in parallel using the CELLCLI command.
E. Execute it on all cells using the DBMCLI command specifying the file name containing the EXACLI script.
Which three factors should you consider when choosing a method for migrating a database to the X5 Database Machine?
A. The down time allowed for the migration
B. Endian format of the source database
C. Number of tablespaces in the source database
D. The type of database workloads
E. Size of the source database
Which two statements are true about Exadata X5 cell metrics and alerts?
A. Cell alerts on each storage server are accumulated in memory by the CELLSRV process and stored on a filesystem-based repository.
B. Cell metrics are written to disk every hour by default.
C. Cell metrics on each storage server are accumulated in memory by the CELLSRV process and written to a filesystem-based repository.
D. Cell alerts on each server are accumulated in memory by the MS process and stored on a filesystem-based repository.
E. Cell alerts are written to disk every hour by default.
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