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Valid 1z1-902 Test Cram | 1z1-902 Brain Dumps

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Oracle 1z1-902 Exam is a comprehensive test designed for professionals who want to validate their skills in implementing and managing the Oracle Exadata Database Machine X8M. 1z1-902 exam is part of the Oracle Certified Specialist program, which is a globally recognized certification for IT professionals who wish to demonstrate their expertise in Oracle technologies. Passing 1z1-902 exam indicates that you possess the necessary skills and knowledge to install, configure, and optimize the Oracle Exadata Database Machine X8M.

By passing the Oracle 1z1-902 exam, individuals can demonstrate their knowledge and expertise in implementing and managing Oracle Exadata Database Machine X8M systems. Oracle Exadata Database Machine X8M Implementation Essentials certification can help individuals enhance their career prospects and open up new opportunities in the field of database administration and management.

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Oracle Exadata Database Machine (XDB) is a high-performance data warehouse appliance. It is designed to deliver performance that is 10x faster than traditional storage arrays, while simultaneously providing up to 100 times higher transaction rates than existing enterprise-class databases. Oracle Exadata Database Machine (XDB) is built on the latest generation of Oracle Exadata Database Technology (XDT), which enables the platform to deliver breakthrough performance. Oracle 1Z0-902 exam dumps are the key of success.

Oracle Exadata Database Machine (XDB) is an extension of Oracle Exadata Database Technology (XDT) that extends the benefits of database technology to the storage layer. It provides a new level of scalability, performance, and resiliency that is unparalleled by any other storage solution available.

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q52-Q57):

NEW QUESTION # 52
You want to monitor how a large production table is accessed. Especially, you are interested to see how the access on that particular table leverages the benefits of the Exadata Platform.
Which two actions are NOT appropriate for that purpose?

A. YOU query VSSYSTEM_EVENTS and filter for the event 'cell physical IO interconnect bytes returned by smart scan', associated to your table.
B. You query v$segment_statistics and filter for the Object ID of your table from dba_objects and the the column STATISTIC_NAME='optimized physical reads'.
C. You query v$SYSTAT and filter for the statistic 'cell smart table scan', associated to your table.
D. You run the CellCli-command list activerequest , filtering for the attributes ioReason and objectNumber, that you specify as 'Smart Scan' and the Object ID of your table from DBA_OBJECTS.

Answer: A,C

Explanation:
A) YOU query VSSYSTEM_EVENTS and filter for the event 'cell physical IO interconnect bytes returned by smart scan', associated to your table. This does not show how much data was filtered by Smart Scan, but only how much data was returned after Smart Scan12.
C) You query v$SYSTAT and filter for the statistic 'cell smart table scan', associated to your table. This does not show how much data was filtered by Smart Scan for a specific table, but only for all tables in a session12.
https://www.databasejournal.com/oracle/monitoring-smart-scans-in-oracle-exadata/

NEW QUESTION # 53
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 distribution units
C. power supplies in the database servers
D. Cisco RDMA over Converged Ethernet (RoCE) switches
E. Cisco management switch
F. RoCE network interface cards in the storage servers
G. fans in the storage servers

Answer: C,D,E,F

NEW QUESTION # 54
You are going to create an ACFS Filesystem for use as a staging area for data loads. Examine the following commands:

What steps and in which order should they be executed?

A. 6, 2, 1, 8, 4, 5
B. 6, 1, 2, 7, 5, 8
C. 6, 8, 3, 4, 2, 1
D. 6, 3, 1, 9, 7, 8

Answer: A

Explanation:
The steps and the order in which they should be executed to create an ACFS Filesystem for use as a staging area for data loads are:
asmcrad volcreate -G data -s 1024G acfs_dataload_vol : This command creates a new volume in the data diskgroup, with a size of 1024 GB, and named acfs_dataload_vol.
asmcmd vol info -G data acfs_dataload_vol | grep Device: This command will show the device name of the newly created volume
/usr/sbin/mkfs -t acfs /dev/asm/ac:fs_dataload_vol-123: This command creates a new ACFS filesystem on the volume created in step 1 sudo /u01/app/19.0.0.0/grid/bin/srvctl start filesystem -device /dev/asn/acfs_dataload_vol-123: This command starts the filesystem created in step 3 sudo chovn -R oracle:dba /mnt/acfs_dataload_vol: This command changes the ownership of the /mnt/acfs_dataload_vol to the oracle:dba user.
/sbin/acfsutil snap create -v data_load /mnt/acfs_dataload_vol: This command creates a snapshot of the filesystem to be used as a staging area.
acfsutil size +2S0G -d /dev/asm/acfs_dataload_vol-123 /mnt/acfs_dataload_vol/ : This command increases the size of the filesystem by 2GB
/u01/app/19-G.O-Q7grid/bin/srvctl add filesystem -device /dev/asm/acfs_dataload_vol-

NEW QUESTION # 55
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. Top of Rack (ToR) switches are managed as part of the hardware stack and software levels are upgraded during the patching process.
C. When backing up multi-rack systems, sharing Exadata X9M switches is recommended.
D. ZFS Snapshots can provide rapid cloning of development and test environment.

Answer: A,C

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 # 56
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?

A. The installation can go ahead, no change is required.
B. A splitter cable can be used to provide power to all PDU cables.
C. 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.
D. The installation cannot proceed until two power feeds are available per PDU.

Answer: D

Explanation:
In order for an Exadata X9M-2 Elastic Rack to be installed, two power feeds are required for each of the three-phase 24kVA PDUs. A single cable from each PDU will not be enough to power the rack, and neither a splitter cable nor rearrangement of the power cables from the servers to the PDUs will be able to provide sufficient power for the system. Therefore, the installation cannot proceed until two power feeds are available per PDU.
For more information about power requirements for Exadata X9M-2 Elastic Racks, refer to the Oracle Exadata Database Machine X9M Implementation Essentials official text book and resources.
Search results: [1] Oracle Exadata Database Machine X9M-2 Full Rack Installation - Oracle Docs [2] Exadata Database Machine X8M-2 Mid-Size Rack Installation - Oracle Docs

NEW QUESTION # 57
......

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