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Free Oracle Exadata Database Machine X9M Implementation Essentials 1Z0-902 Exam Questions

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Question 1

Which two statements are true about the initial storage configuration after the standard (non-virtualized) deployment of a new Exadata Database Machine with High Capacity storage servers?

Correct Answer: B. There is free space available on the hard disks inside the database servers for possible extension of the /uoi file system.; E. There is free space available on flashdisks inside the Exadata storage servers to configure Exadata Smart Flash Logs.

Question 2

What are two recommended configuration best practices for backup and recovery on Exadata?

Correct Answer: B. Even if the backup was limited to writing to four tape drives, eight channels could be specified to expedite the restore process.; C. The internal Recovery Appliance backup and restore processing is optimized when the RMAN FILESPERSET parameter is set to 1 for the level 1 incremental backup set.

Question 3

Which two statements are true in regards to starting the Exadata Virtual Machine?

Correct Answer: C. Use vm_maker boot-from-iso command to boot a virtual machine.; E. Use vm_maker ---auto-start command to configure a virtual machine to start automatically when the KVM host is started.

Question 4

Which two of the following network connection types can be deployed on the client network ports of an Exadata X9M-2 Database Server?

Correct Answer: C. 2x 10Gb ports on eth1 and eth2 using FU45 cat6 cable for client network, and 2x 25Gb ports on eth11 and eth12 using SFP28 transceivers and OM4 fiber cable for backup network; D. 2x 25Gb ports on eth1 and eth2 using SFP28 transceivers and OM4 fiber cable for backup network, and 2x 10Gb ports on eth3 and eth4 using RJ45 cat6 cable for client network

Question 5

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?

Correct Answer: 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.

Question 6

What is the minimum Oracle Linux version required to support RoCE and Persistent Memory?

Correct Answer: A. Oracle Linux 7.5

Question 7

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?

Question 8

An Exadata storage server physical disk on an X9M-2 high-capacity full rack entered the predictive failure state. Which two steps must you perform to replace this failed physical disk?

Correct Answer: A. Replace the failed physical disk.; D. Rebalance the data on the effected griddisks before performing a manual drop command.

Question 9

You have been asked to design a backup solution for an Exadata X9M-2 Quarter Rack with Extreme Flash Storage Servers connected to a new ZFS Storage Appliance ZS7 with 2 Storage Controllers with 100Gb Ethernet cards and 3 Storage Trays. You are using Oracle Exadata Configuration Assistant to validate the rack layout.

1. Use "Add Equipment" to add the Exadata X9M EF Storage Servers, starting from RU10.

2. Use drop down to add ZFS Storage Appliance Controllers.

3. You cannot add ZFS Storage Appliance to an Exadata Rack.

4. Use "Add Equipment" to add the ZFS Storage Trays, starting from RU1.

5. Use drop down to add ZFS Storage Trays.

6. Use "Add Equipment" to add the Exadata X9M Database Servers, starting from RU16.

7. Use "Add Equipment" to add the Exadata X9M EF Storage Servers, starting from RU1.

8. Use drop down to add Exadata X9M EF Storage Servers.

9. Use "Add Equipment" to add the ZFS Storage Controllers, starting from RU27.

10. Use drop down to add Exadata X9M Database Servers.

11. Use "Add Equipment" to add the ZFS Storage Trays, starting from RU31.

Which of these steps are correct and what is their correct order?

Correct Answer: D. 10, 8, 9, 11

Question 10

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?

Correct Answer: 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.