NEW 1Z1-902 TEST GUIDE - LATEST 1Z1-902 BRAINDUMPS FILES

New 1z1-902 Test Guide - Latest 1z1-902 Braindumps Files

New 1z1-902 Test Guide - Latest 1z1-902 Braindumps Files

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Upon passing the Oracle 1Z0-902 exam, candidates will receive the Oracle Exadata Database Machine X8M Implementation Essentials certification. Oracle Exadata Database Machine X8M Implementation Essentials certification validates the candidate's knowledge and skills in implementing Exadata X8M and is recognized by employers worldwide. Oracle Exadata Database Machine X8M Implementation Essentials certification holders can also access Oracle's Exadata support resources and participate in Oracle user groups.

The Oracle 1z1-902 Exam consists of 60 multiple-choice questions and has a time limit of 105 minutes. The passing score for the exam is 65%. 1z1-902 exam is available in English and can be taken at Pearson VUE testing centers worldwide. 1z1-902 exam fee is $245, and individuals can register for the exam on the Oracle website.

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q80-Q85):

NEW QUESTION # 80
You have been notified by your Network Administrator that an upstream switch has been replaced due to a hardware fault. Which command verifies that the client network on your Exadata X9M-2 Database Server is available via both client switches?

  • A. /opt/oracle.SupportTools/ibdiagtools/checkbadlinks.p1 -all
  • B. ifconfig -a legrep "re0| re1"
  • C. netstat -rn
  • D. cat /proc/net/bonding/bondeth0

Answer: D

Explanation:
According to Oracle's documentation1, the client network on Exadata X9M-2 Database Server is used for client access to the database servers using Single Client Access Name (SCAN) and Oracle RAC Virtual IP (VIP) addresses. To verify that the client network is available via both client switches, you can use the command:
cat /proc/net/bonding/bondeth0
This command displays information about the bondeth0 interface, which is used for the client network on Exadata X9M-2 Database Server2. You can check if both interfaces (eth0 and eth1) are active and connected to different switches3.


NEW QUESTION # 81
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 alert ds_temp> 30" on each database server
  • B. dbmcli -e "set threshold ds_temp comparison=' >', critical=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

Answer: C

Explanation:
According to Oracle's documentation1, to set a threshold for a metric on a database server, you need to use the create threshold command with the appropriate parameters. The set threshold command is used to modify an existing threshold2.
Therefore, the command that you should use to generate alerts for such an event is:
dbmcli -e "create threshold ds_temp comparison='>', critical=30" on each database server1


NEW QUESTION # 82
Assume that the RDBMS and ASM instances are up and you are enabling write-back flash cache in one cell server at a time.
Which step(s) should you perform before executing the following command you your Exadata X9M-8 Database Machine, which will set the cell flash cache mode to write-back?
#cellcli -e alter cell flashCacheMode=WriteBack

  • A. Disable the storage indexes on the cell.
  • B. Inactivate all the physical disks on the cell.
  • C. Drop the existing flash cache on the cell.
  • D. Inactivate the grid disks on the cell.
  • E. Create a new flash cache on the cell.
  • F. Shut down the CELL5RV service on the cell.

Answer: C,E

Explanation:
To enable the write-back flash cache on an Exadata X9M-8 storage cell, the existing flash cache must be removed before transitioning to a new mode. This is because the flash cache configuration-whether set to write-through or write-back-requires a re-initialization of the flash storage to apply the new caching behavior. The steps are as follows:
Drop the Existing Flash Cache: Before altering the cache mode, any existing flash cache on the cell must be dropped. This clears the existing configuration and allows the system to reallocate flash resources under the new mode. The command for this is:
# cellcli -e "drop flashcache"
Create a New Flash Cache in Write-Back Mode: After dropping the existing flash cache, you can create a new flash cache with write-back mode enabled. This step ensures that the flash cache is configured correctly to handle write operations before they reach disk, thus accelerating write-heavy workloads. The relevant command to set write-back mode is:
# cellcli -e "create flashcache all"
This process will reset the flash cache with the write-back mode enabled, thereby caching both read and write operations effectively.


NEW QUESTION # 83
Which statement is FALSE about the OEDA command line interface (OEDACU)?

  • A. Add or remove Oracle Database home directories.
  • B. OEDACU has Edit mode and Deploy mode.
  • C. Add nodes to and remove nodes from a VM cluster.
  • D. Support ZDLRA life cycle management operation.
  • E. Add or remove additional databases.
  • F. Resize Oracle ASM disk groups.

Answer: D

Explanation:
The Oracle Exadata Deployment Assistant Command Line Interface (OEDACU) supports a variety of configuration and lifecycle management tasks for Exadata systems, such as adding or removing nodes, resizing ASM disk groups, and managing Oracle Database home directories. However, it does not support lifecycle management for the Zero Data Loss Recovery Appliance (ZDLRA), as this device requires different management tools specific to its backup and recovery functions .


NEW QUESTION # 84
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. 4, 7, 8, 3, and 6
  • B. 2, 8, 7, 3, and 6
  • C. 2, 7, 8, and 6
  • D. 5, 8, 7, and 6
  • E. 1, 8, 7, 3 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 # 85
......

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