Easy To Download Oracle 1z1-902 Exam Dumps Updated 60 Questions [Q17-Q34]

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Easy To Download Oracle 1z1-902 Exam Dumps Updated 60 Questions

New Updated 1z1-902 Exam Questions 2023

Oracle 1z1-902 (Oracle Exadata Database Machine X8M Implementation Essentials) Exam is designed to test the knowledge and skills of individuals who are interested in implementing the Oracle Exadata Database Machine X8M. 1z1-902 exam is targeted towards professionals who have experience in database administration, storage administration, and networking. 1z1-902 exam focuses on various topics such as Exadata storage, networking, backup and recovery, and Exadata software.

NO.17 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

NO.18 Which of the following is NOT a requirement when validating, receiving, unpacking, and planning access route and space requirements for Exadata Database Machine?

The entire access route to the installation site should be free of raised-pattern flooring that can cause vibration.

914mm of space required above the rack height is required for maintenance access.

The incline of any access route ramp must be less than or equal to 6 degrees.

All four leveling and stabilizing feet should be raised and out of the way prior to moving the rack.

Oracle Exadata Rack may only be installed on raised floor environments.

A conditioned space is required to remove the packaging material to reduce particles before entering the data center.

NO.19 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

NO.20 Your customer needs to ensure that their data is available on the Exadata machine during updates. The customer wants to be able to update one server at a time but still be protected against single-node server failure.
What ASM redundancy level should they use?

Normal

Sparse

High

External

Extended

NO.21 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.

NO.22 You are hardening the security posture of your Exadata Database Machine. Before disabling ssh access to the storage servers, what should you do to enable REST access to the MS process?

Install Oracle Rest Data Services on each Database server and install the MS APEX application.

The MS Process on the storage servers is natively endowed with REST services, but are not enabled by default.

Install Oracle Rest Data Services on each Storage server and install the MS APEX application.

The MS Process on the storage servers is natively endowed with REST services and are enabled by default, however, appropriate roles and users should be created to ensure security.

NO.23 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

NO.24 Your customer needs to ensure that their data is available on the Exadata machine during updates. The customer wants to be able to update one server at a time but still be protected against single-node server failure.
What ASM redundancy level should they use?

Normal

Sparse

High

External

Extended

NO.25 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

NO.26 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.

NO.27 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

NO.28 Which of the following is NOT a requirement when validating, receiving, unpacking, and planning access route and space requirements for Exadata Database Machine?

The entire access route to the installation site should be free of raised-pattern flooring that can cause vibration.

914mm of space required above the rack height is required for maintenance access.

The incline of any access route ramp must be less than or equal to 6 degrees.

All four leveling and stabilizing feet should be raised and out of the way prior to moving the rack.

Oracle Exadata Rack may only be installed on raised floor environments.

A conditioned space is required to remove the packaging material to reduce particles before entering the data center.

NO.29 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

NO.30 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

NO.31 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

NO.32 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”

NO.33 Which two statements are true about the initial storage configuration after the standard (non-virtualized) deployment of a new Exadata Database Machine with High Capacity storage servers?

The sparse_<DBM_NAME> diskgroup is created automatically.

There is free space available on the hard disks inside the database servers for possible extension of the /uoi file system.

The DATA_<DBM_Name> and RECO_<DBM_NAME> ASM diskgroups are built on with DATA on the outer-most tracks and RECO on the inner-most tracks of the physical disk.

There is free space available on flashdisks inside the Exadata storage servers for possible use for storage indexes.

There is free space available on flashdisks inside the Exadata storage servers to configure Exadata Smart Flash Logs.

NO.34 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