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[Q27-Q41] Get 100% Real 1z1-902 Accurate & Verified Answers As Seen in the Real Exam!

Get 100% Real 1z1-902 Exam Questions, Accurate & Verified Answers As Seen in the Real Exam!

1z1-902 Premium Files Updated Mar-2024 Practice Valid Exam Dumps Question

Oracle 1Z0-902 exam covers a wide range of topics related to the Oracle Exadata Database Machine X8M, including configuration and installation, performance tuning, backup and recovery, and security. Candidates will need to have a deep understanding of these topics in order to pass the exam. To prepare for the exam, candidates can take advantage of Oracle's official training courses, as well as practice exams and study guides.

QUESTION 27
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 splitter cable can be used to provide power to all PDU cables.

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.

The installation cannot proceed until two power feeds are available per PDU.

The installation can go ahead, no change is required.

QUESTION 28
You are updating your Exadata X9M-2 Elastic Database Machine with 6 database servers and 12 High Capacity Storage Servers. You will be using patchmgr to apply updates across the entire machine while still maintaining database availability.
Assuming you are driving patchmgr from an external server, which statement is true about the execution phase?

patchmgr cannot apply updates in a rolling manner, you must manually apply patches with the dbnodeudpate and cellupdate tools if high availability is required.

patchmgr must be invoked with the -rolling argument with all database and storage servers listed in a single input file.

patchmgr will apply patches in component groups consisting of 1 database server and 2 storage servers to minimize disruption.

patchmgr must be invoked with the -rolling argument. Each component type must be upgraded independently of the other.

QUESTION 29
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 30
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 31
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 32
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.

QUESTION 33
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 34
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 35
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 36
You have configured a multirack Database Machine with two X9M-8 full racks all in a single cluster and storage grid comprising a total of 4 X9M-8 Database servers and 28 X9M-8 Storage servers.
Which two options are true regarding the servers on which Enterprise Manager agents must be deployed in order to monitor all components of this multirack configuration?

on at least two storage servers in both racks

on only one database server in both racks

on all database servers in the first rack

on all storage servers in both racks

on all database servers and at least two storage servers in both racks

on all database servers in the second rack

on all database servers in both racks and one storage server in each rack

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

QUESTION 38
Which are three customer options for hosting the Platinum Services Advanced Support Gateway?

Install on Exadata Engineered System.

Install in Oracle Virtual Machine with required hardware.

Install on Oracle Database Appliance.

Provide individual x86 64-Bit gateway hardware.

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

QUESTION 39
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 40
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.

QUESTION 41
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

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