1Z0-902 Dumps Special Discount for limited time Try FOR FREE [Q26-Q49]

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1Z0-902 Dumps Special Discount for limited time Try FOR FREE

1Z0-902 Dumps for success in Actual Exam Oct-2023]

To become certified in Oracle Exadata Database Machine X8M Implementation, candidates must pass the 1z1-902 exam. 1Z0-902 exam consists of 60 multiple-choice questions that must be completed within 105 minutes. Candidates must achieve a score of 63% or higher to pass the exam and earn the certification. 1Z0-902 exam can be taken at any Pearson VUE testing center, and it is available in multiple languages.

NEW QUESTION 26
Which statement is true about the Persistent Memory Commit Accelerator?

Persistent Memory Commit Accelerator tracks changes to Persistent Memory Data Accelerator to ensure duplicate blocks are not written to Flash.

Persistent Memory Commit Accelerator helps to further reduce redo log write latency by using Persistent Memory and Remote Direct Memory Access (RDMA).

Persistent Memory Commit Accelerator copies redo log data from disk for faster redo apply on Data Guard Standby Databases.

Persistent Memory Commit Accelerator contains logging information from all tiers of the software stack for rapid triage and diagnostics.

Persistent Memory Commit Accelerator reduces redo log write latency by using Persistent Memory and RDMA before flushing to Flash then disk.

NEW QUESTION 27
Which two quarantine types can disable Smart Scan for multiple databases that offload SQL statements to a cell on an Exadata Database Machine?

SQL Plan Quarantine

Manually created Quarantine

Database Quarantine

Disk Region Quarantine

Cell Offload Quarantine

NEW QUESTION 28
You use Enterprise Manager to monitor all the components of your Exadata Database Machine.
Recently, you discovered that certain asmdisks were offline in one of the diskgroups used by the rac database called prod.
In which two sources would you find diagnostic messages related to this problem?

alert logs for Enterprise Manager

alert logs for the ASM instances

Enterprise Manager Alerts on the Exadata Storage Server Grid home page

Enterprise Manager Alerts on the ILOM home page for cell connectivity problems for the prod database instances

alert logs for the prod database instances

NEW QUESTION 29
Which four actions should you take before proceeding with applying updates to your Exadata Database Machine?

Consult My Oracle Support note 888828.1 to determine the current recommended Exadata software release.

Check the Exadata Critical Issues My Oracle Support note 1270094.1 for any issues not added to the latest version of exachk.

Run exachk and resolve only WARNINGS that you have not seen before.

Run the appropriate patchmgr preqequisite check step for each component being updated.

Run patchmgr –all_comp -autofix -autobackup -upgrade -rolling.

For database servers, perform a server backup using patchmgr -dbnodes db_list_file -backup -rolling.

NEW QUESTION 30
Which are two correct statements about backing up Exadata Database Machine?

Backup of the Oracle Cluster Registry, which also contains Voting Disk information, is automatically maintained on the file system of the first database server.

Backing up Exadata Storage Server Software is critical for restoration.

For high availability, system area can be on the first two disks and M.2 devices.

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.

Use a snapshot-based backup of an Oracle Exadata Database Machine database server software.

NEW QUESTION 31
You are planning the monitoring configuration for your Exadata X9M Database Machine.
Which three components are monitored directly through the use of Exadata-specific Enterprise Manager Plug-Ins?

ASM instances

Hybrid Columnar Compression (HCC) ratios on Extended (XT) storage servers

the storage server ILOM

the Power Distribution Units (PDUs)

Oracle clusterware on the database server

the RDMA over Converged Ethernet (RoCE) switches

NEW QUESTION 32
You are adding a disk expansion kit to a running Exadata X8M Database Machine’s Database Servers, and have a filesystem layout that includes:

After running the following commands, which command needs to be run to add 20G of space to the filesystem mounted on /u01?

# lvextend -L +20G -verbose /dev/mapper/VGExaDb-LVDbOral

# xfs_growfs /uOl +20G

# resize2fs +20G /dev/VGExaDb/LVDbOral

# lvextend -L +20G -verbose /dev/VGExaDb/LVDbOral

NEW QUESTION 33
Which are two correct statements for managing virtual deployment using Oracle Exadata Deployment Assistant (OEDA)?

OEDA allows customers to have both bare metal (BM) and virtual machine (VM) in an Exadata X9M Quarter Rack.

There is no limit on the number of VMs in an Exadata rack as long as the Exadata rack has adequate resources.

OEDA deployment steps include calibrate cells, create cell disks, and resecure machine.

OEDA sets up key-based authentication for the root user by using the setuprootssh.sh utility included with OEDA.

NEW QUESTION 34
Which are three customer options for hosting the Platinum Services Advanced Support Gateway?

Install on Oracle Database Appliance.

Provide individual x86 64-Bit gateway hardware.

Install in Oracle Virtual Machine with required hardware.

Purchase the recommended x86 64-Bit gateway hardware from Oracle.

Install on Exadata Engineered System.

NEW QUESTION 35
Which two options can be used to identify a damaged or failing flash card on an X9M-2 Database Machine High Capacity storage server?

using the CELLCLI CALIBRATE command on the storage server after logging in as the celladmin user

using the CELLCLI CALIBRATE command on the storage server after logging in as the root user

hardware monitoring using the storage server ILOM

using the CELLCLI list LUN DETAIL command as the celladmin user

NEW QUESTION 36
Which three statements are true about the CELLCLI command?

It can execute commands on multiple storage servers in parallel.

It has command-line history.

It requires root privileges to create CELLDISKS and GRIDDISKS.

It can be executed on storage servers.

It can be executed using the DCLI utility.

NEW QUESTION 37
What is the minimum Oracle Linux version required to support RoCE and Persistent Memory?

Oracle Linux 7.5

Oracle Linux 7.9

Oracle Linux 8.0

Oracle Linux 7.7

NEW QUESTION 38
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?

5, 8, 7, and 6

4, 7, 8, 3, and 6

2, 8, 7, 3, and 6

2, 7, 8, and 6

1, 8, 7, 3 and 6

NEW QUESTION 39
Which two activities are supported on the storage servers in an Exadata Database Machine?

changing the root password

upgrading a device driver for hard disks when inserting a replacement disk after a hard disk failure

installing an alternative package manager

upgrading the Storage Server software package using rpm

configuring secure shell user equivalency for the cellmonitor user

NEW QUESTION 40
Which dbmcli command is NOT valid on Exadata X9M?

dbmcli -e “LIST METRICHISTORY WHERE name LIKE ‘DS_.*'”

dbmcli -e “LIST METRICCURRENT WHERE name = ‘DS_TEMP’ “

dbmcli -e “LIST IBPORT DETAIL”

dbmcli -e “LIST ALERTHISTORY WHERE agelnMinutes < 15”

NEW QUESTION 41
You have been asked to design a backup solution for an Exadata X9M-2 Quarter Rack with Extreme Flash Storage Servers connected to a new ZFS Storage Appliance ZS7 with 2 Storage Controllers with 100Gb Ethernet cards and 3 Storage Trays. You are using Oracle Exadata Configuration Assistant to validate the rack layout.
1. Use “Add Equipment” to add the Exadata X9M EF Storage Servers, starting from RU10.
2. Use drop down to add ZFS Storage Appliance Controllers.
3. You cannot add ZFS Storage Appliance to an Exadata Rack.
4. Use “Add Equipment” to add the ZFS Storage Trays, starting from RU1.
5. Use drop down to add ZFS Storage Trays.
6. Use “Add Equipment” to add the Exadata X9M Database Servers, starting from RU16.
7. Use “Add Equipment” to add the Exadata X9M EF Storage Servers, starting from RU1.
8. Use drop down to add Exadata X9M EF Storage Servers.
9. Use “Add Equipment” to add the ZFS Storage Controllers, starting from RU27.
10. Use drop down to add Exadata X9M Database Servers.
11. Use “Add Equipment” to add the ZFS Storage Trays, starting from RU31.
Which of these steps are correct and what is their correct order?

10, 8, 2, 5

4,1, 6, 9

10, 8, 9, 11

7,6,9,11

NEW QUESTION 42
You must drop all celldisks on all the storage servers in an X9M-2 quarter rack as part of a reconfiguration project.
Which three statements describe the account on the storage servers which you should use and the tool that may be used to drop the celldisks?

to the CELLADMIN account by calling CELLCLI on all cells using DCLI

to an administrator-created storage server user with appropriate privileges on celldisk objects by calling CELLCLI on all cells using exadcli

to the CELLMONITOR account using cellcli interactively on each storage server

to an administrator-created storage server user with appropriate privileges on celldisk objects by calling EXACLI on all cells using exadcli

to the CELLMONITOR account calling CELLCLI on all cells using DCLI

to the CELLADMIN account using cellcli interactively on each storage server

NEW QUESTION 43
Your system administrator reports an amber, non-blinking light on one of your Exadata storage disks. You immediately execute the ‘list physicaldisk where diskType=HardDisk and status=failed DETAIL’ command on the Exadata storage system and the specified disk is indeed reported as failed. Platinum Support has not been enabled for this system. Enterprise Manager Cloud Control is monitoring the system.
What is the next step that you should perform before you do anything else?

Ask the system administrator to replace the broken disk with a spare.

Check the database to see if any rebalance operations are active.

Call Oracle Support and make an appointment so that the drive can be replaced.

Wait for the email of the failure that Exadata or Enterprise Manager will send.

Download and run the latest exadiag tool.

Wait for a blue light to appear on the disk if the rebalance operation is running.

NEW QUESTION 44
Which three of the following options are available for database consolidation on Exadata?

Multiple pluggable databases in one or more container databases on a Virtual Machine or Bare Metal cluster

Bare Metal deployment with one database per database server

A single database with one or more schema per application

Multiple databases spanning a Bare Metal and Virtual Machine cluster to provide resource isolation and consolidation concurrently

Multiple Databases on a cluster

Multiple Virtual Machine clusters supporting a single database for greatest resource isolation

NEW QUESTION 45
Which dbmcli command is NOT valid on Exadata X9M?

dbmcli -e “LIST METRICHISTORY WHERE name LIKE ‘DS_.*'”
B) dbmcli -e “LIST METRICCURRENT WHERE name = ‘DS_TEMP’ “

dbmcli -e “LIST IBPORT DETAIL”

dbmcli -e “LIST ALERTHISTORY WHERE agelnMinutes < 15”

NEW QUESTION 46
You are in the process of upgrading your nonvirtualized X9M-2 Database Machine elastic configuration with 4 database servers and 7 HC storage servers with an additional 4 database servers and 7 HC storage servers.
The new storage servers are called DM01CEL08 through dmoicel14.
After creating 96 new griddisks, you issued this SQL statement:

How many failgroups if any, will be added to the DATE diskgroup by executing this SQL statement?

1 consisting of all 96 griddisks

96 consisting of one griddisk each

0 because the new griddisks will be added to the existing faiigroups

12 consisting of seven griddisks each

7 consisting of 12 griddisks each

NEW QUESTION 47
Which are two valid reasons for executing an X9M-2 Exadata storage server rescue procedure?

the failure of physical disk 1

corruption in the / (root) filesystem

the failure of both physical M.2 disks

the failure of physical disk 0 and 11

moving all disks from one cell to another as part of a chassis-level component failure

accidental loss of all data from all griddisks in a storage server

corruption in a normal or high redundancy ASM diskgroup

NEW QUESTION 48
You have been asked by Oracle Support to check the firmware of the hard & flash disks in a storage server. Which cellcli command should you use to get this information?

list celldisk attributes name, deviceName, diskType, physicalFirmware

list cell attributes name, deviceName, diskType, physicalFirmware

list physicaldisk attributes name, deviceName, diskType, physicalFirmware

list devices attributes name, deviceName, diskType, physicalFirmware

NEW QUESTION 49
Which are two correct statements about backing up Exadata Database Machine?

Backup of the Oracle Cluster Registry, which also contains Voting Disk information, is automatically maintained on the file system of the first database server.

Backing up Exadata Storage Server Software is critical for restoration.

For high availability, system area can be on the first two disks and M.2 devices.

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.

Use a snapshot-based backup of an Oracle Exadata Database Machine database server software.

To pass the Oracle 1z1-902 exam, candidates must demonstrate their knowledge and skills in various areas, including Exadata Database Machine architecture, hardware components, software components, configuration, performance tuning, and troubleshooting. They should also be familiar with Oracle Database Administration, Oracle Clusterware, and Oracle Automatic Storage Management (ASM).

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1Z0-902 Dumps Special Discount for limited time Try FOR FREE [Q26-Q49]

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