New (2024) Download free 1z1-902 PDF for Oracle Practice Tests [Q30-Q44]

Q30. 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

Q31. 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

Q32. 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.

Q33. 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

Q34. You have been tasked with replacing a memory module of an Exadata Storage Server and need to power off the affected storage server. Which two commands must you execute to safely power off the storage server in an Exadata X9M Database Machine?

CeLLCLI> alter cell shutdown SERVICES all on the affected storage server

CeLLCLI> list GRIDDISK where status != ‘inactive’ on the affected storage server

‘crsct1 stop cluster -all’ on one of the database servers

CellCLI LIST GRIDDISK ATTRIBUTES name WHERE asmdeactivationoutcome != ‘Yes’ on the affected Storage server

CellCLI alter GRIDDISK all inactive on the affected storage server

shutdown -h now’ on the affected storage server

Q35. 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”

Q36. 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

Q37. 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.

Q38. 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

Q39. 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

Q40. 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

Q41. 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

Q42. A new Exadata Quarter Rack with 2 Database Servers and 3 HC Storage Servers and 3-phase 15kVA 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?

The installation can go ahead, no change is required.

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

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.

Q43. 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?

YOU query VSSYSTEM_EVENTS and filter for the event ‘cell physical IO interconnect bytes returned by smart scan’, associated to your table.

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’.

You query v$SYSTAT and filter for the statistic ‘cell smart table scan’, associated to your table.

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.

Q44. 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 must be invoked with the -rolling argument. Each component type must be upgraded independently of the other.

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 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 with all database and storage servers listed in a single input file.

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