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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q24-Q29):
NEW QUESTION # 24
You have been asked by Oracle Support to check the firmware of the hard & flash disks in a storage server. Which cellcli command should you use to get this information?
- A. list cell attributes name, deviceName, diskType, physicalFirmware
- B. list physicaldisk attributes name, deviceName, diskType, physicalFirmware
- C. list devices attributes name, deviceName, diskType, physicalFirmware
- D. list celldisk attributes name, deviceName, diskType, physicalFirmware
Answer: B
NEW QUESTION # 25
Which statement is true about the patching features provided in Platinum Services?
- A. The rolling and complete down time approaches are two options to patching.
- B. Patching services are available for the full software stack up to twice per year.
- C. Patching is done automatically during business hours.
- D. Oracle Platinum Service covers Exadata storage software and firmware patching, but customers must perform the database patching.
Answer: D
NEW QUESTION # 26
Your system administrator reports an amber, non-blinking light on one of your Exadata storage disks. You immediately execute the 'list physicaldisk where diskType=HardDisk and status=failed DETAIL' command on the Exadata storage system and the specified disk is indeed reported as failed. Platinum Support has not been enabled for this system. Enterprise Manager Cloud Control is monitoring the system.
What is the next step that you should perform before you do anything else?
- A. Wait for the email of the failure that Exadata or Enterprise Manager will send.
E Download and run the latest exadiag tool. - B. Wait for a blue light to appear on the disk if the rebalance operation is running.
- C. Check the database to see if any rebalance operations are active.
- D. Ask the system administrator to replace the broken disk with a spare.
- E. Call Oracle Support and make an appointment so that the drive can be replaced.
Answer: D
NEW QUESTION # 27
A new Exadata Quarter Rack with 2 Database Servers and 3 HC Storage Servers and 3-phase 15kVA 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?
- 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.
Answer: C
Explanation:
An Exadata Quarter Rack with 2 Database Servers and 3 HC Storage Servers and 3-phase 15kVA PDUs would typically require two power feeds per PDU, one for each of the two power distribution units (PDUs) in the rack. A single power feed per PDU is not sufficient to provide the necessary power to the servers and storage in the rack.
NEW QUESTION # 28
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?
- A. The MS Process on the storage servers is natively endowed with REST services, but are not enabled by default.
- B. Install Oracle Rest Data Services on each Storage server and install the MS APEX application.
- C. 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.
- D. Install Oracle Rest Data Services on each Database server and install the MS APEX application.
Answer: A
Explanation:
To enable REST access to the MS process, you need to manually enable the REST services on each storage server by running the command cellcli -e "ALTER CELL ENABLE REST" and then configure authentication and authorization to ensure secure access. This is described in detail in the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book (Chapter 8, Securing the Exadata Database Machine).
NEW QUESTION # 29
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