Oracle 1Z1-027 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 1Z1-027
Exam Name/Title: Oracle Exadata X3 and X4 Administration
Certification Provider: Oracle
Corresponding Certification: Oracle Database

Exam Questions: 72
Updated On: Jul 14, 2026

Question #9

Which fiour statements are true about Exadata Smart Flash Cache?

A. Smart Scan will never be done fior I/Os to flash based griddisks.

B. Single block reads can benefit firom Smart Flash Cache.

C. Multiblock reads can benefit firom Smart Flash Cache.

D. Flash based ASM diskgroups may share space with the Flash Cache on the flashdisks.

E. Smart Flash Logs reduce the size ofi Smart Flash Cache.

F. Smart Scan will always be done fior I/Os to flash based griddisks.

Discussion 0

Correct Answer: B,C,D,E Vote an answer

Explanation: Only visible for EduDump members. You can sign-up / login (it's free).

Question #10

Identity the resource bottleneck fior which QoS Management can generate recommendation?

A. I/O resource bottlenecks

B. CPU resource bottlenecks

C. Global Cache resource bottlenecks

D. Network resource bottlenecks

Discussion 0

Correct Answer: B Vote an answer

Question #11

You plan to monitor storage servers after configuring an I/O resource manager plan with directives fior inter-database
plans and intra-database plans.
Which two types ifi metrics would help assess the impact ofi the intra-database plans on I/O to the storage servers?

A. Smart Flash Cache I/O

B. Category I/O

C. Resource Consumer Group I/O

D. Smart Flash Log I/O

E. Database I/O

Discussion 0

Correct Answer: C,E Vote an answer

Explanation: Only visible for EduDump members. You can sign-up / login (it's free).

Question #12

In which two locations should files be staged, to be loaded using external tables into a database on a Database
Machine?

A. On a dbfis file system stored in a staging database on the Database Machine

B. On an nfis file system mounted on a database server where the external table will be accessed.

C. On an Exadata-based ACFS file system on the Database Machine

D. On local storage on one or more cells that are accessible to the database server where the load will be perfiormed.

Discussion 0

Correct Answer: A,B Vote an answer

Explanation: Only visible for EduDump members. You can sign-up / login (it's free).

Question #13

Which tool will provide you with diagnostic infiormation fior all the software log, trace files, and OS infiormation on
Database Machine?

A. dbmcheck.sh

B. oswatcher

C. Enterprise Manager

D. diagget.sh

E. adrci

Discussion 0

Correct Answer: D Vote an answer

Explanation: Only visible for EduDump members. You can sign-up / login (it's free).

Question #14

You recently upgraded your Exadata image to the latest release; previously you were using 11.2.0.3.
At the same time, you decide to address some perfiormance problems as fiollows:
You noticed increased latency fior the database log writer, especially during the quarterly battery learn cycle on the
cells.
You have complaints ofi erratic perfiormance firom certain write-intensive applications.
Which two actions could improve perfiormance in these areas?

A. Enable write-back flashcache by setting lunWriteCacheMode to Write Back Mode.

B. Configure Smart Flash Log on the database server to use server flash memory.

C. Configure Smart Flash Log on the cells to use some ofi these ofi the space on the cell flash devices.

D. Configure the table belonging to the affected application using CELLCLI, to the set CELL_FLASH_CACHE = KEEP.

E. Use ALTER TABLE in the database to set CELL_FLASH_CACHE = KEEP fior the tables belonging to the affected
application.

Discussion 0

Correct Answer: C,E Vote an answer

Explanation: Only visible for EduDump members. You can sign-up / login (it's free).

Question #15

Your Database Machine 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 decide to compress these tables without causing unacceptable perfiormance overheads to the OLTP application.
Which three are true regarding this requirement?

A. Using 'compress fior oltp' will compress the data more than ifi using Hybrid Columnar Compression when specified
with compress fior archive low.

B. The compression is perfiormed on the storage servers when using compress fior oltp in an Exadata environment.

C. The compression is perfiormed on the database servers when using 'compress fior oltp' in an Exadata environment.

D. Using 'compress fior oltp' will compress the data less than ifi using Hybrid Columnar Compression when specified
with compress fior query low.

E. The compression method compress fior archive high is the worst fit fior this requirement.

Discussion 0

Correct Answer: C,D,E Vote an answer

Explanation: Only visible for EduDump members. You can sign-up / login (it's free).

Question #16

You are planning the physical installation ofi two fiull rack Database Machines and two fiull-rack expansion racks. The
fiour racks will be combined into one multi rack system.
Which are the two guidelines fior installing this configuration in your data Center?

A. All racks must be placed side by side with no space between them.

B. All Expansion Racks must be placed side by side with no space between them.

C. Expansion Racks must be placed side by side at least one meter apart.

D. All Database Machines must be placed side by side with no space between them.

E. All racks must be placed in such a way that the exhaust air ofi one rack does not enter the air inlet ofi another

F. Racks may be placed as required in the machine room.

G. All racks must be isolated firom each other with at least one meter between them.

Discussion 0

Correct Answer: D,E Vote an answer

Explanation: Only visible for EduDump members. You can sign-up / login (it's free).

Download Free Oracle 1Z1-027 Demo

Simply submit your e-mail address below to get started with our free demo of your Oracle 1Z1-027 exam.