Oracle Exadata X3 and X4 Administration

Here you have the best Oracle 1z0-027 practice exam questions

You have 72 total questions to study from
Each page has 5 questions, making a total of 15 pages
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This questions were last updated on October 23, 2025
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Question 1 of 72

To troubleshoot a possible hardware problem, you consider moving all disk drives from one Exadata storage server to a replacement chassis.
You must contain storage availability while performing task.
The Exadata storage server is an X3-8 Database Machine and storage grid is not partitioned.
Which two factors would prevent you from moving the disks from one Exadata storage server to another one?

The existence of an external redundancy ASM diskgroup

The existence of a normal redundancy ASM diskgroup

The existence of an ASM diskgroup with the repair_time attribute set to 0.

The existence of an ASM diskgroup with its compatible.asm attribute set to 10.2.0.0.0

Offline or inactive celldisks in another Exadata server

Correct Answer: A, D

Question 2 of 72

What is the benefit of bonding the client access network configuration?

Improved performance

Improved reliability

Both improved performance and reliability

A Single Client Access Name (SCAN)

Improved monitoring

Correct Answer: B

Question 3 of 72

To guarantee proper cooling, you plan to place perforated floor tiles near your Database Machine.
Where, in relation to the cabinet, should they be placed?

On the left side, because the air flow is from left to right

At the back, because the air flow is from back to front

On the right side, because the air flow is from right to left.

At the front, because the air flow is from front to back

Underneath the cabinet, because the air flow is from bottom to top

Correct Answer: D

Question 4 of 72

Identify two valid reasons for creating multiple griddisks on a Single celldisk.

To segregate storage into multiple pools with different performance characteristics

To facilitate normal or high redundancy ASM diskgroups

To enable disk mirroring for the system area

To segregate storage into multiple pools that can be assigned to different databases

To segregate storage into multiple pools that can be assigned to different resource consumer groups in the same database.

Correct Answer: A, D

Question 5 of 72

You plan to migrate an Oracle database that supports an online transaction processing (OLTP) workload to your Database Machine.
Following are details for the source database:

Database version: 10.2.0 -
Byte order: Big Endian HP-UX (64-bit)

Database size: 24 TB -
Storage: ASM with 1 MB allocation unit size
Which two are supported migration methods?

Physical migration using ASM online Migration

Physical migration using Transportable Database

Logical migration using Oracle Streams

Local migration using Oracle Streams

Logical migration using logical standby

Correct Answer: C, E