[Q34-Q56] View 1Z0-902 Exam Question Dumps With Latest Demo [Aug 29, 2022]

Rate this post

View 1Z0-902 Exam Question Dumps With Latest Demo [Aug 29, 2022]

Free 1Z0-902 Test Questions Real Practice Test Questions

What are the Key Features of the Oracle Exadata Database Machine X9M Implementation Essentials

The Oracle Exadata Database Machine X9M Implementation Essentials is a powerful database machine, which provides users with fast data retrieval. With it, users can analyze large amounts of data quickly, and store more information in less space.

It also features a built-in Oracle Exadata Manager, which allows users to perform various functions such as installing and configuring software, managing the database, and configuring databases. Oracle 1Z0-902 exam dumps will save your money.

The machine’s performance is greatly improved by the use of a 64-bit architecture. It provides a lot of advantages, such as faster data retrieval and storage, and more RAM.

QUESTION 34
For which four component failures on an X9M Database Machine does Auto Service Request (ASR) raise service requests?

RoCE network interface cards in the storage servers

fans in the storage servers

Cisco RDMA over Converged Ethernet (RoCE) switches

RoCE network interface cards in the database servers

power distribution units

Cisco management switch

power supplies in the database servers

QUESTION 35
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

QUESTION 36
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

QUESTION 37
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?

dbmcli -e “set alert ds_temp> 30” on each database server

dbmcli -e “set threshold ds_temp comparison=’ >’, critical=30” on each database server

dbmcli -e “alert metriccurrent ds_temp where metricValue > 30” on each database server

dbmcli -e “create threshold ds_temp comparison=’>’, critical=30” on each database server

QUESTION 38
An Exadata storage server physical disk on an X9M-2 high-capacity full rack entered the predictive failure state. Which two steps must you perform to replace this failed physical disk?

Replace the failed physical disk.

Add the griddisks back into the ASM diskgroup they used to be a member of.

Identify the griddisks located on the failed physical disk and drop them from the associated ASM diskgroups.

Rebalance the data on the effected griddisks before performing a manual drop command.

Create a new celldisk and new griddisks on the replaced physical disk.

Verify that the griddisks located on the physical disk have been successfully dropped from the associated ASM diskgroups.

QUESTION 39
You have a script with several CELLCLI commands that must be executed on each cell in your Exadata full rack. The script must run on each cell simultaneously. How must you achieve this?

Copy and execute the script on all storage servers using the EXACLI command.

Copy the script to all storage servers using the dcli command and manually execute it on all storage servers using the EXACLI command.

Copy and execute the script on all storage servers using the dcli command.

Copy the script to all storage servers using the dcli command and manually execute it on each storage server using the DCLI command.

Copy the script to all storage servers using the CELLCLI command and execute it on all storage servers in parallel using the CELLCLI command.

QUESTION 40
I/O performance of the prod database on your Exadata Database Machine has degraded slightly over the past month. The database has been allocated to the OLTP I/O Resource Management (IORM) category.
Which two monitoring tools might be useful in examining I/O performance for the prod database?

OS I/O metrics using Enterprise Manager host pages for the storage servers

OS I/O metrics using OS tools such as iostat on the database servers

I/O-specific dynamic performance views such as v$iostat_fiie, v$iostat_function, and v$iostat_consumer_group from the prod
database instances using SQL *p1us

cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk

OS I/O metrics using OS tools such as iostat on the storage servers

QUESTION 41
You have been asked to investigate why an Exadata Database Server stopped communicating on the client network for 10 minutes over the past weekend.
Which command would help investigate this?

$ ${ORACLE_HOME}/suptools/tfa/release/tfa_home/bin/tfact1 -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00

# /opt/oracle.SupportTools/ibdiagtools/netcheck/runDiagnostics.pm -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00

# /opt/oracle.ExaWatcher/GetExaWatcherResults.sh -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00

# /opt/oracle.SupportTools/exachk/exachk -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00

QUESTION 42
Which two Exadata security features would you configure to control which databases can access which griddisks, when multiple databases share space on your storage servers in an unpartitioned storage grid?

Exadata storage realms using ASM-scoped security mode

File permissions on the griddisks in each database server

Using EXADCLI instead of CELLCLI to create the griddisks

File permissions on the griddisks in each storage server

Exadata storage realms using database-scoped security mode

QUESTION 43
Which three statements are true about Oracle Configuration Manager (OCM) for an Exadata Database Machine?

It is mandatory to install OCM on all database servers.

It collects configuration information automatically.

It collects configuration information on demand.

It is mandatory to install OCM on at least one database server.

Collected configuration information can be uploaded automatically to Oracle.

Collected configuration information can be uploaded manually to Oracle.

QUESTION 44
Which two statements are true about enabling write-back flash cache?

Write-back flash cache is on by default for High Capacity Storage Servers in High Redundancy configurations.

Write-back Flash Cache cannot be used on Extreme Flash Storage Servers.

When enabling write-back flash cache in a rolling manner, DBCLI should be used to inactivate the grid disks on all cells first.

Before write-back flash cache is enabled, you need to drop the Flash Cache first.

When enabling write-back flash cache in a non-rolling manner, you need to drop the Persistent Memory Commit Accelerator (PMEMLog) first.

QUESTION 45
Which two statements are true in regards to starting the Exadata Virtual Machine?

To see Oracle Linux boot messages during guest startup, use -console option with the vm_maker -start-domain command.

Use vm_maker -start-domain to start a virtual machine manually.

Use vm_maker boot-from-iso command to boot a virtual machine.

To streamline the diagnosis of virtual machines, one ISO file is used for multiple Oracle Exadata System Software releases.

Use vm_maker -auto-start command to configure a virtual machine to start automatically when the KVM host is started.

QUESTION 46
Which two statements are true about Auto Service Request (ASR) with an Exadata Database Machine?

ASR Manager must be installed and configured on a dedicated server external to the Database Machine.

Configuring ASR is mandatory for all Database Machine assets.

ASR Manager must be installed and configured on one of the database servers.

ASR can upload configuration metadata to support problem resolution.

ASR Manager opens a service request (SR) automatically after sensors detect hardware faults.

ASR communicates with Oracle support services using HTTPS.

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

QUESTION 48
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

QUESTION 49
Which two sections of the AWR report shows statistics for X9M Persistent Memory Cache?

PMEM Pool cache Read Hits in the Cache Sizes portion of the Report Summary

PMEM Pool Misses in the Exadata Outlier Summary

cell PMEM cache Read Hits in the Database IOs portion of the Performance Summary

PMEM Cache section within Memory Statistics

PMEM Cache section within Exadata Smart Statistics

QUESTION 50
What is the minimum Oracle Linux version required to support RoCE and Persistent Memory?

Oracle Linux 7.5

Oracle Linux 6.9

Oracle Linux 8.0

Oracle Linux 7.7

QUESTION 51
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.

QUESTION 52
You are providing oversight for the delivery of a new Exadata Database Machine.
1. Stabilize the Exadata Rack.
2. Unpack Oracle Exadata Rack.
3. Review the safety guidelines.
4. Let the Exadata acclimatize for 24 hours.
5. Power on Exadata PDU A.
6. Place Exadata in its allocated space.
7. Power on Exadata PDU B.
What is the correct order of these steps?

4,3,2,6,1,7,5

3,2,6,4,1,7,5

2,3,4,6,1,7,5

3,2,6,1,4,7,5

2,6,1,4,3,7,5

QUESTION 53
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

QUESTION 54
Which two statements are true for the Oracle Exadata Configuration Assistant (OECA)?

OECA reconfigures the size of disk groups and recreates grid disks.

OECA extends the hardware for the elastic configuration only.

OECA allows one XT storage server in the configuration.

OECA’s “Add Equipment” input option allows allocation of RU slots for customer equipment.

OECA facilitates PDU power selection initially and after equipment addition.

QUESTION 55
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

QUESTION 56
Which three steps are required to expand an Exadata X9M-2 Database Server with the lowest memory configuration available to the highest memory configuration?

Add 12x 32GB DIMMs.

Add 12x 64GB DIMMs.

Shutdown the Database Server if running.

Add 16x 32GB DIMMs.

Add 16x 64GB DIMMs.

Memory cannot be expanded on Exadata X9M-2 Database Servers.

Remove existing memory modules.

Add 32x 64GB DIMMs.

Add 24x 32GB DIMMs.

View All 1Z0-902 Actual Free Exam Questions Updated: https://www.dumpleader.com/1Z0-902_exam.html

What are the Key Features of the Oracle Exadata Database Machine X9M Implementation Essentials

Leave a Reply Cancel reply