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Oracle 1Z0-902 Actual Questions and Braindumps
Know about the Passing Score, Duration & Questions for the Oracle 1Z0-902 Exam
Time Duration: 90 Minutes
Number of Questions: 60 Questions
Formate: Multiple Choice
The passing score: 64%
Languages: English
NEW QUESTION 20
Which two statements are true about Auto Service Request (ASR) with an Exadata Database Machine?
- A. ASR can upload configuration metadata to support problem resolution.
- B. ASR Manager must be installed and configured on a dedicated server external to the Database Machine.
- C. ASR Manager must be installed and configured on one of the database servers.
- D. ASR communicates with Oracle support services using HTTPS.
- E. ASR Manager opens a service request (SR) automatically after sensors detect hardware faults.
- F. Configuring ASR is mandatory for all Database Machine assets.
Answer: B,C
NEW QUESTION 21
Which two statements are false about backup to ZFS Storage Appliance (ZFSSA)?
- A. When backing up multi-rack systems, sharing Exadata X9M switches is recommended.
- B. Top of Rack (ToR) switches are managed as part of the hardware stack and software levels are upgraded during the patching process.
- C. ZFSSA may connect directly to the Exadata 100Gb RoCE network switches.
- D. ZFS Snapshots can provide rapid cloning of development and test environment.
Answer: B,C
NEW QUESTION 22
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?
- A. Enterprise Manager Alerts on the ILOM home page for cell connectivity problems for the prod database instances
- B. alert logs for Enterprise Manager
- C. Enterprise Manager Alerts on the Exadata Storage Server Grid home page
- D. alert logs for the ASM instances
- E. alert logs for the prod database instances
Answer: A,C
NEW QUESTION 23
Which are three customer options for hosting the Platinum Services Advanced Support Gateway?
- A. Provide individual x86 64-Bit gateway hardware.
- B. Install in Oracle Virtual Machine with required hardware.
- C. Install on Oracle Database Appliance.
- D. Purchase the recommended x86 64-Bit gateway hardware from Oracle.
- E. Install on Exadata Engineered System.
Answer: B,C,D
NEW QUESTION 24
Which three of the following options are available for database consolidation on Exadata?
- A. Bare Metal deployment with one database per database server
- B. Multiple databases spanning a Bare Metal and Virtual Machine cluster to provide resource isolation and consolidation concurrently
- C. Multiple Databases on a cluster
- D. Multiple Virtual Machine clusters supporting a single database for greatest resource isolation
- E. Multiple pluggable databases in one or more container databases on a Virtual Machine or Bare Metal cluster
- F. A single database with one or more schema per application
Answer: C,D,E
NEW QUESTION 25
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?
- A. on all storage servers in both racks
- B. on at least two storage servers in both racks
- C. on all database servers in both racks and one storage server in each rack
- D. on all database servers in the first rack
- E. on all database servers and at least two storage servers in both racks
- F. on only one database server in both racks
- G. on all database servers in the second rack
Answer: A,D
NEW QUESTION 26
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?
- A. 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.
- B. There is free space available on flashdisks inside the Exadata storage servers to configure Exadata Smart Flash Logs.
- C. There is free space available on the hard disks inside the database servers for possible extension of the /uoi file system.
- D. The sparse_<DBM_NAME> diskgroup is created automatically.
- E. There is free space available on flashdisks inside the Exadata storage servers for possible use for storage indexes.
Answer: B,C
NEW QUESTION 27
Which three steps are required to expand an Exadata X9M-2 Database Server with the lowest memory configuration available to the highest memory configuration?
- A. Shutdown the Database Server if running.
- B. Add 12x 32GB DIMMs.
- C. Remove existing memory modules.
- D. Memory cannot be expanded on Exadata X9M-2 Database Servers.
- E. Add 16x 64GB DIMMs.
- F. Add 12x 64GB DIMMs.
- G. Add 24x 32GB DIMMs.
- H. Add 32x 64GB DIMMs.
- I. Add 16x 32GB DIMMs.
Answer: C,E,I
NEW QUESTION 28
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?
- A. CellCLI LIST GRIDDISK ATTRIBUTES name WHERE asmdeactivationoutcome != 'Yes' on the affected Storage server
- B. CeLLCLI> list GRIDDISK where status != 'inactive' on the affected storage server
- C. CellCLI alter GRIDDISK all inactive on the affected storage server
- D. CeLLCLI> alter cell shutdown SERVICES all on the affected storage server
- E. 'crsct1 stop cluster -all' on one of the database servers
- F. shutdown -h now' on the affected storage server
Answer: F
Explanation:
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmmn/maintaining-exadata-storage-servers.html#GUID-AE16A1DA-53C6-4E80-94E5-963AA65373AB
NEW QUESTION 29
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?
- A. Exadata storage realms using database-scoped security mode
- B. Using EXADCLI instead of CELLCLI to create the griddisks
- C. Exadata storage realms using ASM-scoped security mode
- D. File permissions on the griddisks in each database server
- E. File permissions on the griddisks in each storage server
Answer: B,E
NEW QUESTION 30
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?
- A. list devices attributes name, deviceName, diskType, physicalFirmware
- B. list physicaldisk attributes name, deviceName, diskType, physicalFirmware
- C. list cell attributes name, deviceName, diskType, physicalFirmware
- D. list celldisk attributes name, deviceName, diskType, physicalFirmware
Answer: D
NEW QUESTION 31
For which four component failures on an X9M Database Machine does Auto Service Request (ASR) raise service requests?
- A. power distribution units
- B. Cisco management switch
- C. RoCE network interface cards in the database servers
- D. power supplies in the database servers
- E. RoCE network interface cards in the storage servers
- F. fans in the storage servers
- G. Cisco RDMA over Converged Ethernet (RoCE) switches
Answer: B,D,E,G
NEW QUESTION 32
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?
- A. 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.
- B. The installation can go ahead, no change is required.
- C. A splitter cable can be used to provide power to all PDU cables.
- D. The installation cannot proceed until two power feeds are available per PDU.
Answer: A
NEW QUESTION 33
Which of the following is NOT a requirement when validating, receiving, unpacking, and planning access route and space requirements for Exadata Database Machine?
- A. A conditioned space is required to remove the packaging material to reduce particles before entering the data center.
- B. 914mm of space required above the rack height is required for maintenance access.
- C. The incline of any access route ramp must be less than or equal to 6 degrees.
- D. The entire access route to the installation site should be free of raised-pattern flooring that can cause vibration.
- E. All four leveling and stabilizing feet should be raised and out of the way prior to moving the rack.
- F. Oracle Exadata Rack may only be installed on raised floor environments.
Answer: A
NEW QUESTION 34
Which four actions should you take before proceeding with applying updates to your Exadata Database Machine?
- A. Run patchmgr --all_comp -autofix -autobackup -upgrade -rolling.
- B. For database servers, perform a server backup using patchmgr -dbnodes db_list_file -backup -rolling.
- C. Run the appropriate patchmgr preqequisite check step for each component being updated.
- D. Run exachk and resolve only WARNINGS that you have not seen before.
- E. Consult My Oracle Support note 888828.1 to determine the current recommended Exadata software release.
- F. Check the Exadata Critical Issues My Oracle Support note 1270094.1 for any issues not added to the latest version of exachk.
Answer: A,B,C,E
NEW QUESTION 35
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?
- A. Check the database to see if any rebalance operations are active.
- B. Wait for a blue light to appear on the disk if the rebalance operation is running.
- C. Call Oracle Support and make an appointment so that the drive can be replaced.
- D. Wait for the email of the failure that Exadata or Enterprise Manager will send.
E Download and run the latest exadiag tool. - E. Ask the system administrator to replace the broken disk with a spare.
Answer: E
NEW QUESTION 36
Which two statements are true about enabling write-back flash cache?
- A. When enabling write-back flash cache in a rolling manner, DBCLI should be used to inactivate the grid disks on all cells first.
- B. When enabling write-back flash cache in a non-rolling manner, you need to drop the Persistent Memory Commit Accelerator (PMEMLog) first.
- C. Before write-back flash cache is enabled, you need to drop the Flash Cache first.
- D. Write-back Flash Cache cannot be used on Extreme Flash Storage Servers.
- E. Write-back flash cache is on by default for High Capacity Storage Servers in High Redundancy configurations.
Answer: B,C
NEW QUESTION 37
......
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.
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