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Oracle 1z0-902 Oracle Exadata Database Machine X9M Implementation Essentials Exam Practice Test

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Total 60 questions

Oracle Exadata Database Machine X9M Implementation Essentials Questions and Answers

Question 1

Which two activities are supported on the storage servers in an Exadata Database Machine?

Options:

A.

changing the root password

B.

upgrading a device driver for hard disks when inserting a replacement disk after a hard disk failure

C.

installing an alternative package manager

D.

upgrading the Storage Server software package using rpm

E.

configuring secure shell user equivalency for the cellmonitor user

Question 2

Which three statements are true about the CELLCLI command?

Options:

A.

It can execute commands on multiple storage servers in parallel.

B.

It has command-line history.

C.

It requires root privileges to create CELLDISKS and GRIDDISKS.

D.

It can be executed on storage servers.

E.

It can be executed using the DCLI utility.

Question 3

Which three statements are true about Oracle Configuration Manager (OCM) for an Exadata Database Machine?

Options:

A.

It is mandatory to install OCM on all database servers.

B.

It collects configuration information automatically.

C.

It collects configuration information on demand.

D.

It is mandatory to install OCM on at least one database server.

E.

Collected configuration information can be uploaded automatically to Oracle.

F.

Collected configuration information can be uploaded manually to Oracle.

Question 4

You have been notified by your Network Administrator that an upstream switch has been replaced due to a hardware fault. Which command verifies that the client network on your Exadata X9M-2 Database Server is available via both client switches?

Options:

A.

ifconfig -a legrep "re0| re1"

B.

/opt/oracle.SupportTools/ibdiagtools/checkbadlinks.p1 —all

C.

netstat -rn

D.

cat /proc/net/bonding/bondeth0

Question 5

You have configured a multirack Database Machine with two X9M-8 full racks all in a single cluster and storage grid comprising a total of 4 X9M-8 Database servers and 28 X9M-8 Storage servers.

Which two options are true regarding the servers on which Enterprise Manager agents must be deployed in order to monitor all components of this multirack configuration?

Options:

A.

on at least two storage servers in both racks

B.

on only one database server in both racks

C.

on all database servers in the first rack

D.

on all storage servers in both racks

E.

on all database servers and at least two storage servers in both racks

F.

on all database servers in the second rack

G.

on all database servers in both racks and one storage server in each rack

Question 6

Your customer needs to ensure that their data is available on the Exadata machine during updates. The customer wants to be able to update one server at a time but still be protected against single-node server failure.

What ASM redundancy level should they use?

Options:

A.

Normal

B.

Sparse

C.

High

D.

External

E.

Extended

Question 7

Which two sections of the AWR report shows statistics for X9M Persistent Memory Cache?

Options:

A.

PMEM Pool cache Read Hits in the Cache Sizes portion of the Report Summary

B.

PMEM Pool Misses in the Exadata Outlier Summary

C.

cell PMEM cache Read Hits in the Database IOs portion of the Performance Summary

D.

PMEM Cache section within Memory Statistics

E.

PMEM Cache section within Exadata Smart Statistics

Question 8

Which are two valid reasons for executing an X9M-2 Exadata storage server rescue procedure?

Options:

A.

the failure of physical disk 1

B.

corruption in the / (root) filesystem

C.

the failure of both physical M.2 disks

D.

the failure of physical disk 0 and 11

E.

moving all disks from one cell to another as part of a chassis-level component failure

F.

accidental loss of all data from all griddisks in a storage server

G.

corruption in a normal or high redundancy ASM diskgroup

Question 9

You are providing oversight for the delivery of a new Exadata Database Machine.

1. Stabilize the Exadata Rack.

2. Unpack Oracle Exadata Rack.

3. Review the safety guidelines.

4. Let the Exadata acclimatize for 24 hours.

5. Power on Exadata PDU A.

6. Place Exadata in its allocated space.

7. Power on Exadata PDU B.

What is the correct order of these steps?

Options:

A.

4,3,2,6,1,7,5

B.

3,2,6,4,1,7,5

C.

2,3,4,6,1,7,5

D.

3,2,6,1,4,7,5

E.

2,6,1,4,3,7,5

Page: 1 / 6
Total 60 questions