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Oracle Exadata Database Machine X9M Implementation Essentials Question and Answers

Oracle Exadata Database Machine X9M Implementation Essentials

Last Update May 2, 2024
Total Questions : 60

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Questions 1

You are hardening the security posture of your Exadata Database Machine. Before disabling ssh access to the storage servers, what should you do to enable REST access to the MS process?

Options:

A.  

Install Oracle Rest Data Services on each Database server and install the MS APEX application.

B.  

The MS Process on the storage servers is natively endowed with REST services, but are not enabled by default.

C.  

Install Oracle Rest Data Services on each Storage server and install the MS APEX application.

D.  

The MS Process on the storage servers is natively endowed with REST services and are enabled by default, however, appropriate roles and users should be created to ensure security.

Discussion 0
Questions 2

You use Enterprise Manager to monitor all the components of your Exadata Database Machine.

Recently, you discovered that certain asmdisks were offline in one of the diskgroups used by the rac database called prod.

In which two sources would you find diagnostic messages related to this problem?

Options:

A.  

alert logs for Enterprise Manager

B.  

alert logs for the ASM instances

C.  

Enterprise Manager Alerts on the Exadata Storage Server Grid home page

D.  

Enterprise Manager Alerts on the ILOM home page for cell connectivity problems for the prod database instances

E.  

alert logs for the prod database instances

Discussion 0
Questions 3

Which statement is true about the patching features provided in Platinum Services?

Options:

A.  

Oracle Platinum Service covers Exadata storage software and firmware patching, but customers must perform the database patching.

B.  

Patching services are available for the full software stack up to twice per year.

C.  

The rolling and complete down time approaches are two options to patching.

D.  

Patching is done automatically during business hours.

Discussion 0
Questions 4

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

Discussion 0
Questions 5

An Exadata X9M-2 Elastic Rack with 4 Database Servers and 8 HC Storage Servers and 3-phase 24kVA PDUs is being installed in a Data Center. However, the Data Center is only providing enough power for a single cable from each PDU. Which statement is correct?

Options:

A.  

A splitter cable can be used to provide power to all PDU cables.

B.  

The power cables from the servers to the PDUs can be rearranged inside the rack following OECA guidance to utilize a single PDU power cable.

C.  

The installation cannot proceed until two power feeds are available per PDU.

D.  

The installation can go ahead, no change is required.

Discussion 0
Questions 6

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.

Discussion 0
Questions 7

For which four component failures on an X9M Database Machine does Auto Service Request (ASR) raise service requests?

Options:

A.  

RoCE network interface cards in the storage servers

B.  

fans in the storage servers

C.  

Cisco RDMA over Converged Ethernet (RoCE) switches

D.  

RoCE network interface cards in the database servers

E.  

power distribution units

F.  

Cisco management switch

G.  

power supplies in the database servers

Discussion 0
Questions 8

Which two statements are false about backup to ZFS Storage Appliance (ZFSSA)?

Options:

A.  

ZFSSA may connect directly to the Exadata 100Gb RoCE network switches.

B.  

Top of Rack (ToR) switches are managed as part of the hardware stack and software levels are upgraded during the patching process.

C.  

When backing up multi-rack systems, sharing Exadata X9M switches is recommended.

D.  

ZFS Snapshots can provide rapid cloning of development and test environment.

Discussion 0
Questions 9

You are working on a remote Exadata Database Machine with current software and firmware. You now need to start a storage server after hardware maintenance.

Which ILOM command starts the storage server?

Options:

A.  

-> start /System

B.  

-> start /SP/console

C.  

-> set /SYS power_state=ON

D.  

You must be physically present in the data center to start an Exadata Storage Server.

E.  

-> start /SYSTEM/power

F.  

-> start /SYS/power

Discussion 0