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Oracle 1z1-902考試資料，1z1-902考證

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最新的 Oracle Engineered Systems 1z1-902 免費考試真題 (Q38-Q43):

問題 #38
Which two statements are true about Auto Service Request (ASR) with an Exadata Database Machine?

  • A. ASR Manager opens a service request (SR) automatically after sensors detect hardware faults.
  • B. ASR Manager must be installed and configured on one of the database servers.
  • C. ASR can upload configuration metadata to support problem resolution.
  • D. ASR communicates with Oracle support services using HTTPS.
  • E. Configuring ASR is mandatory for all Database Machine assets.
  • F. ASR Manager must be installed and configured on a dedicated server external to the Database Machine.

答案：D,F 解題說明：
A and F are true statements about Auto Service Request (ASR) with an Exadata Database Machine [1][2]. In order to use the ASR feature, ASR Manager must be installed and configured on a dedicated server which is external to the Database Machine, and it communicates with Oracle support services using HTTPS. Additionally, ASR can upload configuration metadata to support problem resolution, and it can open a service request (SR) automatically after sensors detect hardware faults.
Reference for this information can be found in the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources [1][2].
問題 #39
Which are two correct statements for managing virtual deployment using Oracle Exadata Deployment Assistant (OEDA)?

  • A. OEDA deployment steps include calibrate cells, create cell disks, and resecure machine.
  • B. OEDA allows customers to have both bare metal (BM) and virtual machine (VM) in an Exadata X9M Quarter Rack.
  • C. There is no limit on the number of VMs in an Exadata rack as long as the Exadata rack has adequate resources.
  • D. OEDA sets up key-based authentication for the root user by using the setuprootssh.sh utility included with OEDA.

答案：B,D 解題說明：
Oracle Exadata Deployment Assistant (OEDA) enables customers to deploy Oracle Exadata Database Machine in virtualized environments and it support both bare metal and virtual machine deployment in an Exadata X9M Quarter Rack.
OEDA allows customers to have both bare metal (BM) and virtual machine (VM) in an Exadata X9M Quarter Rack, and it sets up key-based authentication for the root user by using the setuprootssh.sh utility included with OEDA. According to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book [1][2], OEDA deployment steps include setup, configure, deploy, and manage. The number of VMs in an Exadata rack is limited by the available resources in the rack, such as CPU, Memory, and Storage.
問題 #40
You are concerned about the operating temperature of the database servers in your Exadata Full Rack and want to be alerted if the server exceeds 30C.
What command should use use to generate alerts for such an event?

  • A. dbmcli -e "set threshold ds_temp comparison=' >', critical=30" on each database server
  • B. dbmcli -e "set alert ds_temp> 30" on each database server
  • C. dbmcli -e "create threshold ds_temp comparison='>', critical=30" on each database server
  • D. dbmcli -e "alert metriccurrent ds_temp where metricValue > 30" on each database server

答案：A 解題說明：
The Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book (page 5-54) recommends using the dbmcli command to set thresholds on metrics, such as temperature. To do this, you should use the following command:
dbmcli -e "set threshold ds_temp comparison=' >', critical=30" on each database server.
This will generate an alert if the temperature exceeds 30C.
問題 #41
Which three steps are required to expand an Exadata X9M-2 Database Server with the lowest memory configuration available to the highest memory configuration?

  • A. Add 12x 64GB DIMMs.
  • B. Memory cannot be expanded on Exadata X9M-2 Database Servers.
  • C. Remove existing memory modules.
  • D. Shutdown the Database Server if running.
  • E. Add 32x 64GB DIMMs.
  • F. Add 24x 32GB DIMMs.
  • G. Add 12x 32GB DIMMs.
  • H. Add 16x 32GB DIMMs.
  • I. Add 16x 64GB DIMMs.

答案：C,D,I 解題說明：
1. Remove existing memory modules: Before adding new memory modules, the existing memory modules should be removed.
2. Add 16x 64GB DIMMs: The new DIMMs should be added, in this case is 16 DIMMs of 64GB each, which will expand the memory to the highest configuration available.
3. Shutdown the Database Server if running: The Database Server should be shutdown before adding new memory modules in order to prevent any possible data loss or corruption.
The steps required to expand an Exadata X9M-2 Database Server with the lowest memory configuration available to the highest memory configuration are as follows:
Shutdown the Database Server if running.
Remove existing memory modules.
Add 16x 64GB DIMMs.
For reference, the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book states that "the lowest memory configuration for the Exadata X9M-2 Database Servers is 384GB and the highest is 768GB [1]. The memory upgrade is done in increments of 64GB using 16x 64GB DIMMs".
問題 #42
Which two statements are true for the Oracle Exadata Configuration Assistant (OECA)?

  • A. OECA extends the hardware for the elastic configuration only.
  • B. OECA allows one XT storage server in the configuration.
  • C. OECA facilitates PDU power selection initially and after equipment addition.
  • D. OECA reconfigures the size of disk groups and recreates grid disks.
  • E. OECA's "Add Equipment" input option allows allocation of RU slots for customer equipment.

答案：A,C 解題說明：
B and E are true statements for the Oracle Exadata Configuration Assistant (OECA). OECA facilitates PDU power selection initially and after equipment addition, and it allows for the elastic configuration of the hardware. It does not reconfigure the size of disk groups or recreate grid disks, nor does it allow for a single XT storage server in the configuration. The "Add Equipment" input option does allow for the allocation of RU slots for customer equipment.
References for this information can be found in the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources.
Search results: [1] Oracle Exadata Database Machine X8-2 [1][2]: Configuration Assistant Guide ... The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can ... [2] The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can be used to ... Add Equipment: This input option allows you to allocate RU slots for ... [3] Oracle Exadata Database Machine X7-2 and X7-2L Installation Guide ... The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can ... [4] The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can be used to ... Power Selection [1][2]: This input option allows you to select PDU power initially ... [5] Oracle Exadata Database Machine X7-2 and X7-2L Installation Guide ... The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can ...
問題 #43
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一流的1z1-902考古題和資格考試的領導者和實用的1z1-902：Oracle Exadata Database Machine X8M Implementation Essentials

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