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Pass Guaranteed Quiz 2023 1z1-902: Oracle Exadata Database Machine X8M Implementation Essentials Perfect Test Duration
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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q55-Q60):

NEW QUESTION # 55
Which are three customer options for hosting the Platinum Services Advanced Support Gateway?

  • A. Install on Oracle Database Appliance.
  • B. Purchase the recommended x86 64-Bit gateway hardware from Oracle.
  • C. Install in Oracle Virtual Machine with required hardware.
  • D. Provide individual x86 64-Bit gateway hardware.
  • E. Install on Exadata Engineered System.

Answer: A,B,D

Explanation:
According to Oracle's documentation1, the customer options for hosting the Platinum Services Advanced Support Gateway are:
Provide individual x86 64-Bit gateway hardware1
Purchase the recommended x86 64-Bit gateway hardware from Oracle1
Install on Oracle Database Appliance2


NEW QUESTION # 56
Examine these commands:
1. Execute "crscti stop cluster -all" as the grid user from one database server.
2. Execute "crscti stop cluster -all" as root from one database server.
3. Power off all network switches.
4. Execute "crscti stop cluster" as root from one database server.
5. Execute "crscti stop cluster" as the grid user from one database server.
6. Power off the rack using the power switches on the PDUs.
7. Execute "shutdown -h now" on all database servers.
8. Execute "shutdown -h now" on all Exadata storage servers.
Which is the correct order or the required commands to completely power off an Exadata Database Machine in an orderly fashion?

  • A. 2, 7, 8, and 6
  • B. 2, 8, 7, 3, and 6
  • C. 5, 8, 7, and 6
  • D. 4, 7, 8, 3, and 6
  • E. 1, 8, 7, 3 and 6

Answer: C

Explanation:
Option 5 stops the clusterware on all database servers as the grid user3.
Option 8 shuts down all Exadata storage servers using their ILOM interfaces1.
Option 7 shuts down all database servers using their ILOM interfaces1.
Option 6 powers off the rack using the power switches on the PDUs2.


NEW QUESTION # 57
Which are two correct statements about backing up Exadata Database Machine?

  • A. Use a snapshot-based backup of an Oracle Exadata Database Machine database server software.
  • B. Backing up Exadata Storage Server Software is critical for restoration.
  • C. The M.2 disk is hot pluggable and can be replaced when the power is on, but you will have to restore the system data manually.
  • D. Backup of the Oracle Cluster Registry, which also contains Voting Disk information, is automatically maintained on the file system of the first database server.
  • E. For high availability, system area can be on the first two disks and M.2 devices.

Answer: B,D

Explanation:
[1] Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book [1][2], Chapter 4: Oracle Clusterware [2] Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book [1][2], Chapter 8: Oracle Exadata Storage Server Software [3] Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book [1][2], Chapter 9: Oracle Exadata Storage Server Infrastructure
https://www.oracle.com/technetwork/database/availability/exadata-backup-recovery-bp-3633870.pdf


NEW QUESTION # 58
Which are two correct statements about backing up Exadata Database Machine?

  • A. Backing up Exadata Storage Server Software is critical for restoration.
  • B. Use a snapshot-based backup of an Oracle Exadata Database Machine database server software.
  • C. For high availability, system area can be on the first two disks and M.2 devices.
  • D. Backup of the Oracle Cluster Registry, which also contains Voting Disk information, is automatically maintained on the file system of the first database server.
  • E. The M.2 disk is hot pluggable and can be replaced when the power is on, but you will have to restore the system data manually.

Answer: B,E


NEW QUESTION # 59
Which two statements are false about backup to ZFS Storage Appliance (ZFSSA)?

  • A. ZFS Snapshots can provide rapid cloning of development and test environment.
  • B. Top of Rack (ToR) switches are managed as part of the hardware stack and software levels are upgraded during the patching process.
  • C. ZFSSA may connect directly to the Exadata 100Gb RoCE network switches.
  • D. When backing up multi-rack systems, sharing Exadata X9M switches is recommended.

Answer: C,D

Explanation:
1. ZFS Storage Appliance (ZFSSA) can't connect directly to the Exadata 100Gb RoCE network switches. ZFSSA uses Fibre Channel protocol to connect to the Exadata storage cells. C. When backing up multi-rack systems, sharing Exadata X9M switches is not recommended. Each rack should have its own switches to minimize the risk of data loss due to switch failure.
Review the safety guidelines.
Unpack Oracle Exadata Rack.
Let the Exadata acclimatize for 24 hours.
Place Exadata in its allocated space.
Stabilize the Exadata Rack.
Power on Exadata PDU A.
Power on Exadata PDU B.
This order ensures that the necessary safety precautions are taken before installing the Exadata Database Machine, and that the machine is allowed to acclimate to its new environment before being powered on.


NEW QUESTION # 60
......

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