Oracle 1z1-485 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 1z1-485
Exam Name/Title: Oracle Exadata Database Machine 2014 Implementation Essentials
Certification Provider: Oracle
Corresponding Certification: Other Oracle Certification

Exam Questions: 71
Updated On: Jul 09, 2026

Question #25

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

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

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

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

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

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

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

Discussion 0

Correct Answer: A,C,F Vote an answer

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Question #26

If your customer wants to save storage space by compressing tables that are read frequently but rarely updated, which compression technique would you recommend?

A. QUERY HIGH

B. ARCHIVE HIGH

C. BASIC

D. OLTP

E. ARCHIVE LOW

Discussion 0

Correct Answer: D Vote an answer

Question #27

Your customer wants to increase the size of the DATA diskgroup on the Exadata systems. The customer is currently using 600 GB disks. Which two are the best options that you would recommend?

A. moving underutilized grid disks from the RECO diskgroup to DATA

B. adding a High Capacity Storage expansion rack

C. adding a ZFS storage appliance

D. adding a High Performance Storage expansion rack

E. expanding the Exadata rack from a Half Rack to a Full Rack

Discussion 0

Correct Answer: B,E Vote an answer

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Question #28

When running OS Watcher, which two data outputs are valid for Exadata storage cell performance analysis? Select the two correct choices that apply?

A. pkginfo

B. label

C. lostat

D. netstat

E. mpstat

Discussion 0

Correct Answer: C,D Vote an answer

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Question #29

Which two statements appropriately describe the backup and recovery procedures on Exadata?

A. Cell software backup is automatic and cell recovery is accomplished by using a rescue procedure.

B. Data stored in a database is backed up and restored by using RMAN commands.

C. Data stored in a database is backed up and restored by using CellCLI commands.

D. Cell software backup is performed through CellCLI and cell recovery is accomplished by using a rescue procedure.

E. Database server software backup is automatic and recovery is accomplished by using a rescue procedure.

Discussion 0

Correct Answer: A,B Vote an answer

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Question #30

Why is ASM High redundancy an important configuration choice when rolling Exadata Storage Server patching is planned?

A. High redundancy forces ASM rebalance before allowing disks to be taken offline.

B. High redundancy protects from partner disk failure while a cell is offline being updated.

C. High redundancy speeds up ASM fast mirror resync when a cell is brought back online after patching.

D. Normal redundancy provides the same protection during rolling patching, so High redundancy is not important inthis case

Discussion 0

Correct Answer: B Vote an answer

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Question #31

Identify three best practices for applying asmdeactivationoutcome es on Exadata Database Servers and Exadata Storage Servers?

A. Before patching cells in a rolling manner, you must check asmdeactivationoutcome amModestatus and make sure that cells on all disks are online and that disks can be deactivated.

B. Backing up database servers and storage cells is not recommended before performing planned maintenance.

C. It is recommended that Exadata systems with Data Guard configured use the "Standby First" patching approach.

D. Patching should never be interrupted due to a connection drop. It is therefore recommended that you use VNC or the screen utility.

E. Database server updates can be rolled back using the the "yum downgrade" procedure.

F. Bundle patches do not require testing before being installed on a production system.

Discussion 0

Correct Answer: A,C,D Vote an answer

Question #32

When would be the best time to run an Exadata health check (exachk)?

A. only after a hardware failure

B. monthly and after a hardware failure

C. before and after patching, when advised by Oracle Support, andona regular basis

D. only when advised by Oracle Support

E. after patching, after upgrades, and after backups

F. before patching, before upgrades, before backups, and on a regular basis

Discussion 0

Correct Answer: C Vote an answer

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