VALID 1Z0-902 TEST PAPERS, 1Z0-902 LATEST EXAM ONLINE

Valid 1Z0-902 Test Papers, 1Z0-902 Latest Exam Online

Valid 1Z0-902 Test Papers, 1Z0-902 Latest Exam Online

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Oracle 1Z0-902 Exam | Valid 1Z0-902 Test Papers - High-effective Company for 1Z0-902: Oracle Exadata Database Machine X8M Implementation Essentials Exam

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q29-Q34):

NEW QUESTION # 29
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. 1, 8, 7, 3 and 6
  • B. 4, 7, 8, 3, and 6
  • C. 2, 8, 7, 3, and 6
  • D. 5, 8, 7, and 6
  • E. 2, 7, 8, and 6

Answer: D

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 # 30
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?

  • 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 database servers in both racks and one storage server in each rack
  • 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 storage servers in both racks

Answer: A,E

Explanation:
In order to monitor all components of this multirack configuration, Enterprise Manager agents must be deployed on at least two storage servers in both racks and all database servers in both racks. This is according to the Oracle Exadata Database Machine X9M Implementation Essentials official text book [1], in which it states "To monitor all components of the multirack configuration, you must deploy agents on all database servers and at least two storage servers in each rack" (page 6-15).


NEW QUESTION # 31
For which four component failures on an X9M Database Machine does Auto Service Request (ASR) raise service requests?

  • A. RoCE network interface cards in the database servers
  • B. power supplies in the database servers
  • C. Cisco management switch
  • D. Cisco RDMA over Converged Ethernet (RoCE) switches
  • E. RoCE network interface cards in the storage servers
  • F. fans in the storage servers
  • G. power distribution units

Answer: B,C,D,E


NEW QUESTION # 32
Which two statements are false about backup to ZFS Storage Appliance (ZFSSA)?

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

Answer: A,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.


NEW QUESTION # 33
Which three statements are true concerning the configuration or use of Enterprise Manager Cloud Control to monitor and manage Exadata Database Machine components?

  • A. Cloud Control cannot monitor partitioned Exadata Database Machine systems.
  • B. Compute nodes forward their SNMP traps to the Management Server process on the same compute node.
  • C. Cloud Control can monitor and manage a Database Machine storage Expansion rack.
  • D. Storage nodes forward their SNMP traps to the Management Server process on the same storage node.
  • E. Oracle management agents must only be installed on one storage node in a Database Machine to enable monitoring and management of all storage node.
  • F. Oracle management agents must only be installed on one compute node in a Database Machine to enable monitoring and management of all compute nodes and storage nodes.

Answer: C,E,F

Explanation:
Oracle Enterprise Manager (EM) Cloud Control provides comprehensive monitoring and management for Exadata Database Machines, including:
Support for Database Machine Storage Expansion Racks: EM Cloud Control seamlessly integrates with the Storage Expansion Rack, allowing administrators to monitor both primary and expansion storage environments together, which is essential for large-scale deployments.
Minimal Agent Installation: Cloud Control needs only one Oracle Management Agent on one compute node to monitor the entire Database Machine cluster, covering all compute and storage nodes. This is due to Exadata's interconnect and resource-sharing capabilities, enabling centralized monitoring with minimal setup requirements.


NEW QUESTION # 34
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