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Share some Engineered Systems 1Z0-070 exam questions and answers below.
Which three statements are true about the EXADCLI utility?
A. It may be run interactively.
B. It can be used to execute EXACLI scripts on multiple storage servers in parallel.
C. It can be used to execute O/S commands on multiple storage servers in parallel.
D. It can be used to execute EXACLI commands on multiple storage servers in parallel.
E. It uses the same security mechanism as the EXACLI command.
F. It may be used to execute DBMCLI commands on multiple database nodes in parallel.
Answer: D,E,F

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.
Answer: C,D,E,F

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.
Answer: B,D

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.
Answer: C

You plan to migrate a database supporting an OLTP workload to your new X5 Database Machine.The current database instance supports a large number of short duration sessions and a very high volume of short transactions.Which three X5 Database Machine features can improve performance for this type of workload?
A. An improved highly efficient undo and redo architecture
B. Faster optimization due to an Exadata-specific optimizer
C. Reduced I/O latency for writes due to writeback flashcache on all Exadata X5 and later models
D. Ultra high I/O performance for reads and writes when using Exadata Extreme Flash in X5 and later models
E. Reduced I/O latency for reads due to read flashcache on all Exadata X5 and later models
Answer: A,C,D

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.
Answer: A,D,F

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