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1Z0-485 Exam Questions & Answers

Exam Code: 1Z0-485

Exam Name: Oracle Exadata Database Machine

Updated: Apr 16, 2024

Q&As: 71

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Practice These Free Questions and Answers to Pass the Oracle Engineered Systems Exam

Questions 1

Identify the three values to which the CELL_FLASH_CACHE attribute can be set.

A. READ

B. WRITE

C. KEEP

D. DEFAULT

E. NONE

Show Answer
Questions 2

Which statement is true about Oracle compression?

A. A non-partitioned table can use Advanced Compression and Hybrid Columnar Compression concurrently.

B. A partitioned table can define the use of Advanced Compression or Hybrid Columnar Compression for each partition.

C. Hybrid Columnar Compression can be defined for a single column.

D. A partitioned table can use only Advanced Compression or only Hybrid Columnar Compression.

Show Answer
Questions 3

Identify two reasons why using external tables for high performance data loads on Exadata is more advantageous than SQL*Loader.

A. Transformations can be applied directly on the file data using SQL or PL/SQL constructions.

B. External tables allow transparent parallelization inside the database.

C. Parallelizing loads with external tables enables more efficient space management.

D. External tables can take advantage of storage indexes to speed up data loads.

Show Answer
Questions 4

Which three statements accurately describe update of software on Exadata Database Machine?

A. The Oracle Database patchset software (for example, 11.2.0.3) requires the Exadata-specific version.

B. Rolling patching is faster than non-rolling patching, but database down time is longer.

C. The Oracle Database software on Exadata is updated using standard OPatch and the Oracle Universal Installer.

D. Running Exadata with different storage server software versions is supported, but should be minimized to rolling patching scenarios.

E. The database server operating system software (other than kernel and OFED) may be installed or updated from non-Exadata sources

F. Storage server updates require access to an Unbreakable Linux Network (ULN) based repository.

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Questions 5

When using IORM, which statement accurately describes when redo log file writes take place?

A. Based on the priority of the user

B. Immediately

C. Based on the resource group of the user

D. Based on the intradatabase resource plan

Show Answer

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