1Z0-902 Exam PDF [2024] Tests Free Updated Today with Correct 60 Questions [Q36-Q59]

1Z0-902 Exam PDF [2024] Tests Free Updated Today with Correct 60 Questions

Oracle 1Z0-902 Exam Preparation Guide and PDF Download

Oracle 1Z0-902 certification exam is an excellent way for IT professionals to enhance their skills and knowledge in implementing and managing the Oracle Exadata Database Machine X8M. Oracle Exadata Database Machine X8M Implementation Essentials certification demonstrates a high level of expertise and can open up new career opportunities for professionals in the field of database management.

Oracle 1Z0-902 Exam is intended for individuals who work in IT organizations and are responsible for designing, deploying, and managing Oracle Exadata Database Machine X8M solutions. Candidates who pass 1Z0-902 exam will be recognized as experts in implementing and managing Oracle Exadata solutions and will have the skills and knowledge needed to optimize database performance, improve scalability, and reduce overall costs.

 

NEW QUESTION # 36
Which are two correct statements for managing virtual deployment using Oracle Exadata Deployment Assistant (OEDA)?

• A. There is no limit on the number of VMs in an Exadata rack as long as the Exadata rack has adequate resources.
• B. OEDA deployment steps include calibrate cells, create cell disks, and resecure machine.
• C. OEDA allows customers to have both bare metal (BM) and virtual machine (VM) in an Exadata X9M Quarter Rack.
• D. OEDA sets up key-based authentication for the root user by using the setuprootssh.sh utility included with OEDA.

Answer: B,D

Explanation:
1. OEDA deployment steps include calibrate cells, create cell disks, and resecure machine2.
2. OEDA sets up key-based authentication for the root user by using the setuprootssh.sh utility included with OEDA2.

NEW QUESTION # 37
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. Ask the system administrator to replace the broken disk with a spare.
• B. Check the database to see if any rebalance operations are active.
• C. Wait for a blue light to appear on the disk if the rebalance operation is running.
• D. Call Oracle Support and make an appointment so that the drive can be replaced.
• E. Download and run the latest exadiag tool.
• F. Wait for the email of the failure that Exadata or Enterprise Manager will send.

Answer: A

NEW QUESTION # 38
Which dbmcli command is NOT valid on Exadata X9M?

• A. dbmcli -e "LIST IBPORT DETAIL"
• B. dbmcli -e "LIST ALERTHISTORY WHERE agelnMinutes < 15"
• C. dbmcli -e "LIST METRICHISTORY WHERE name LIKE 'DS_.*'"
  B) dbmcli -e "LIST METRICCURRENT WHERE name = 'DS_TEMP' "

Answer: B

NEW QUESTION # 39
Which two activities are supported on the storage servers in an Exadata Database Machine?

• A. upgrading the Storage Server software package using rpm
• B. changing the root password
• C. upgrading a device driver for hard disks when inserting a replacement disk after a hard disk failure
• D. installing an alternative package manager
• E. configuring secure shell user equivalency for the cellmonitor user

Answer: B,E

Explanation:
According to the web search results123, the storage servers in an Exadata Database Machine are mainly used for processing data at the storage level and offloading some SQL operations from the database servers. Therefore, the two activities that are supported on the storage servers are:
A) changing the root password
E) configuring secure shell user equivalency for the cellmonitor user
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmso/exadata-introduction.html

NEW QUESTION # 40
Which statement is true about the Persistent Memory Commit Accelerator?

• A. Persistent Memory Commit Accelerator contains logging information from all tiers of the software stack for rapid triage and diagnostics.
• B. Persistent Memory Commit Accelerator tracks changes to Persistent Memory Data Accelerator to ensure duplicate blocks are not written to Flash.
• C. Persistent Memory Commit Accelerator copies redo log data from disk for faster redo apply on Data Guard Standby Databases.
• D. Persistent Memory Commit Accelerator helps to further reduce redo log write latency by using Persistent Memory and Remote Direct Memory Access (RDMA).
• E. Persistent Memory Commit Accelerator reduces redo log write latency by using Persistent Memory and RDMA before flushing to Flash then disk.

Answer: E

Explanation:
Persistent Memory Commit Accelerator reduces redo log write latency by using Persistent Memory and RDMA before flushing to Flash then disk. This helps to further reduce redo log write latency by utilizing the speed and low latency of Persistent Memory, along with the Remote Direct Memory Access (RDMA) protocol, to commit changes to disk faster. This allows the system to quickly commit changes to disk, resulting in improved performance and reduced latency.
This is according to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources [1][2]. The Persistent Memory Commit Accelerator uses Persistent Memory and Remote Direct Memory Access (RDMA) technology to write redo log data to Flash and disk, resulting in improved latency and higher throughput. Additionally, the Accelerator tracks changes to Persistent Memory Data Accelerator to ensure duplicate blocks are not written to Flash [1], further reducing latency.

NEW QUESTION # 41
Which two statements are true for the Oracle Exadata Configuration Assistant (OECA)?

• A. OECA reconfigures the size of disk groups and recreates grid disks.
• B. OECA allows one XT storage server in the configuration.
• C. OECA extends the hardware for the elastic configuration only.
• D. OECA facilitates PDU power selection initially and after equipment addition.
• E. OECA's "Add Equipment" input option allows allocation of RU slots for customer equipment.

Answer: C,D

Explanation:
B and E are true statements for the Oracle Exadata Configuration Assistant (OECA). OECA facilitates PDU power selection initially and after equipment addition, and it allows for the elastic configuration of the hardware. It does not reconfigure the size of disk groups or recreate grid disks, nor does it allow for a single XT storage server in the configuration. The "Add Equipment" input option does allow for the allocation of RU slots for customer equipment.
Reference for this information can be found in the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources.
Search results: [1] Oracle Exadata Database Machine X8-2 [1][2]: Configuration Assistant Guide ... The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can ... [2] The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can be used to ... Add Equipment: This input option allows you to allocate RU slots for ... [3] Oracle Exadata Database Machine X7-2 and X7-2L Installation Guide ... The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can ... [4] The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can be used to ... Power Selection [1][2]: This input option allows you to select PDU power initially ... [5] Oracle Exadata Database Machine X7-2 and X7-2L Installation Guide ... The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can ...

NEW QUESTION # 42
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> alter cell shutdown SERVICES all on the affected storage server
• B. CellCLI alter GRIDDISK all inactive on the affected storage server
• C. shutdown -h now' on the affected storage server
• D. CeLLCLI> list GRIDDISK where status != 'inactive' on the affected storage server
• E. 'crsct1 stop cluster -all' on one of the database servers
• F. CellCLI LIST GRIDDISK ATTRIBUTES name WHERE asmdeactivationoutcome != 'Yes' on the affected Storage server

Answer: B,C

Explanation:
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmmn/maintaining-exadata-storage-servers.html#GUID-AE16A1DA-53C6-4E80-94E5-963AA65373AB The two commands that must be executed to safely power off the storage server in an Exadata X9M Database Machine are E and F.
Command E, CellCLI alter GRIDDISK all inactive, will deactivate all of the GRIDDISKS on the affected storage server. This will ensure that no data is lost during the power-off process.
Command F, shutdown -h now, will shut down the storage server. This will ensure that the storage server is completely powered off and no data is lost.
For more information on how to properly power off an Exadata Storage Server, refer to the Oracle Exadata Database Machine X9M Implementation Essentials official text book and resources [1][2].

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

• A. Collected configuration information can be uploaded automatically to Oracle.
• B. It collects configuration information on demand.
• C. It is mandatory to install OCM on at least one database server.
• D. It collects configuration information automatically.
• E. It is mandatory to install OCM on all database servers.
• F. Collected configuration information can be uploaded manually to Oracle.

Answer: C,E,F

Explanation:
According to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources, OCM is mandatory to install on at least one database server and can be used to collect configuration information on demand. The collected information can then be uploaded either manually or automatically to Oracle.

NEW QUESTION # 44
Examine this list of software components:
1. Oracle KVM Guest
2. Oracle Enterprise Manager Agent (OMA)
3. ASM instance
4. RDBMS instance
5. Automatic Diagnostic Repository Command Interpreter (ADRCI)
6. CELLCLI
7. Cell Server(CELLSRV)
8. diskmon
9. Restart Server (RS)
10. Management Server (MS)
What is the correct location where these software components can run in the standard Exadata Database Machine deployment?

• A. 3, 4, 8, and 10 run on the database servers; 1, 2, 5, 6, 7 and 9 run on the Exadata storage servers.
• B. 2, 3, 4, 8, and 10 run on the database servers; 1, 5, 6, 7and 9 run on the Exadata storage servers.
• C. 1, 2, 3, 4, 5, 8, 9 and 10 run on the database servers; 5, 6,7, 9 and 10 run on the Exadata storage servers.
• D. 1, 2, 3, 4, 9 and 10 run on the database servers; 5, 6, 7, 8, 9, and 10 run on the Exadata storage servers.
• E. 1, 2, 3, 4, 8 and 9 run on the database servers; 5, 6, 7, 9 and 10 run on the Exadata storage servers.

Answer: C

Explanation:
Oracle KVM Guest: This is a virtual machine that runs on top of Oracle Linux KVM hypervisor. It can be used to run Oracle Database or other applications on Exadata Database Machine2. Therefore, it runs on the Database Servers.
Oracle Enterprise Manager Agent (OMA): This is a software agent that communicates with Oracle Enterprise Manager Cloud Control and provides monitoring and management capabilities for Exadata Database Machine2. Therefore, it runs on both Database Servers and Storage Servers.
ASM instance: This is an instance of Oracle Automatic Storage Management (ASM), which is a volume manager and a file system for Oracle Database files. It manages disk groups that span across multiple Storage Servers2. Therefore, it runs on the Database Servers.
RDBMS instance: This is an instance of Oracle Database that processes SQL statements and executes transactions. It uses ASM disk groups to store data files, control files, redo log files, etc2. Therefore, it runs on the Database Servers.
Automatic Diagnostic Repository Command Interpreter (ADRCI): This is a command-line tool that enables you to view diagnostic data stored in the Automatic Diagnostic Repository (ADR). ADR is a file-based repository for database diagnostic data such as trace files, alert logs, etc2. Therefore, ADRCI runs on both Database Servers and Storage Servers, depending on where the ADR is located.
CELLCLI: This is a command-line interface that enables you to configure and manage Exadata Storage Server Software. It allows you to perform tasks such as creating disk groups, monitoring cell health, applying patches, etc2. Therefore, it runs on the Storage Servers.
Cell Server(CELLSRV): This is a process that runs on each Storage Server and handles I/O requests from the Database Servers. It implements Exadata Smart Scan , which offloads data-intensive SQL operations from the Database Servers to the Storage Servers2. Therefore, it runs on the Storage Servers.
diskmon: This is a process that monitors the status of disks and flash devices on each Storage Server. It reports disk failures and performs automatic disk reclamation2. Therefore, it runs on the Storage Servers.
Restart Server (RS): This is a process that manages automatic restarts of critical processes such as CELLSRV , MS , or OMA in case of failures. It also handles graceful shutdowns and startups of all processes on each server2. Therefore, it runs on both Database Servers and Storage Servers.
Management Server (MS): This is a process that provides management services for each server such as collecting metrics , logging events , executing commands from CELLCLI , etc2. Therefore, it runs on both Database Servers and Storage Servers

NEW QUESTION # 45
Which four actions should you take before proceeding with applying updates to your Exadata Database Machine?

• A. Consult My Oracle Support note 888828.1 to determine the current recommended Exadata software release.
• B. Run patchmgr --all_comp -autofix -autobackup -upgrade -rolling.
• C. Run exachk and resolve only WARNINGS that you have not seen before.
• D. For database servers, perform a server backup using patchmgr -dbnodes db_list_file -backup -rolling.
• E. Run the appropriate patchmgr preqequisite check step for each component being updated.
• 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,D,E,F

NEW QUESTION # 46
Which two statements are true about applying updates on Exadata systems?

• A. Failed database server updates are rolled back to a working state on a previous release automatically.
• B. For regular Exadata updates, yum automatically installs a non-UEK kernel, which can be selected to boot from grub.
• C. Updating kernel and RDMA packages on storage cells should be prevented by excluding them with the yum -exclude option.
• D. To speed up applying storage server updates in a rolling manner, updating two storage servers simultaneously is recommended.
• E. Failed storage server updates are automatically rolled back to a previous release.
• F. When running a "yum update" for a new Exadata release, all other repositories should be disabled.

Answer: A,B

NEW QUESTION # 47
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?

• A. 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
• B. OS I/O metrics using Enterprise Manager host pages for the storage servers
• C. OS I/O metrics using OS tools such as iostat on the database servers
• D. cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk
• E. OS I/O metrics using OS tools such as iostat on the storage servers

Answer: B,D

Explanation:
1. OS I/O metrics using Enterprise Manager host pages for the storage servers: Enterprise Manager provides a detailed view of the storage server's performance including I/O metrics and statistics. You can use these metrics to analyze I/O performance and identify any bottlenecks.
2. cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk: These commands are used to gather information about storage server performance, including I/O statistics, disk usage, and resource allocation.

NEW QUESTION # 48
Which are two valid reasons for executing an X9M-2 Exadata storage server rescue procedure?

• A. the failure of both physical M.2 disks
• B. the failure of physical disk 0 and 11
• C. the failure of physical disk 1
• D. corruption in the / (root) filesystem
• E. accidental loss of all data from all griddisks in a storage server
• F. corruption in a normal or high redundancy ASM diskgroup
• G. moving all disks from one cell to another as part of a chassis-level component failure

Answer: D,E

Explanation:
Reason B, corruption in the / (root) filesystem, is a valid reason for executing a storage server rescue procedure. If the root filesystem is corrupted, the storage server will no longer be able to boot and will need to be rescued.
Reason F, accidental loss of all data from all griddisks in a storage server, is also a valid reason for executing a storage server rescue procedure. If all data is accidentally lost from the griddisks in a storage server, the server will need to be rescued in order to recover the data.
For more information about the Exadata X9M-2 storage server rescue procedure, refer to the Oracle Exadata Database Machine X9M Implementation Essentials official text book and resources.
Search results: [1] Oracle Exadata Database Machine X9M-2 Full Rack Installation - Oracle Docs [2] Oracle Exadata Database Machine X9M-2 Storage Server Rescue Procedure - Oracle Docs [3] Oracle Exadata Database Machine X8M-2 Mid-Size Rack Installation - Oracle Docs [4] Oracle Exadata Database Machine X8M-2 Storage Server Rescue Procedure - Oracle Docs [5] Oracle Exadata Database Machine X9M-2 Storage Server Update Procedure - Oracle Docs [6] Oracle Exadata Database Machine X8M-2 Storage Server Update Procedure - Oracle Docs

NEW QUESTION # 49
Which two statements are true about Auto Service Request (ASR) with an Exadata Database Machine?

• A. Configuring ASR is mandatory for all Database Machine assets.
• B. ASR communicates with Oracle support services using HTTPS.
• C. ASR can upload configuration metadata to support problem resolution.
• D. ASR Manager must be installed and configured on a dedicated server external to the Database Machine.
• E. ASR Manager opens a service request (SR) automatically after sensors detect hardware faults.
• F. ASR Manager must be installed and configured on one of the database servers.

Answer: D,E

NEW QUESTION # 50
Which statement is true about the Persistent Memory Commit Accelerator?

• A. Persistent Memory Commit Accelerator contains logging information from all tiers of the software stack for rapid triage and diagnostics.
• B. Persistent Memory Commit Accelerator reduces redo log write latency by using Persistent Memory and RDMA before flushing to Flash then disk.
• C. Persistent Memory Commit Accelerator tracks changes to Persistent Memory Data Accelerator to ensure duplicate blocks are not written to Flash.
• D. Persistent Memory Commit Accelerator copies redo log data from disk for faster redo apply on Data Guard Standby Databases.
• E. Persistent Memory Commit Accelerator helps to further reduce redo log write latency by using Persistent Memory and Remote Direct Memory Access (RDMA).

Answer: E

Explanation:
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmso/new-features-exadata-system-software-release-23.html

NEW QUESTION # 51
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. There is free space available on flashdisks inside the Exadata storage servers to configure Exadata Smart Flash Logs.
• B. There is free space available on flashdisks inside the Exadata storage servers for possible use for storage indexes.
• C. The sparse_<DBM_NAME> diskgroup is created automatically.
• D. There is free space available on the hard disks inside the database servers for possible extension of the /uoi file system.
• E. 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.

Answer: A,D

NEW QUESTION # 52
Which three statements are true about the CELLCLI command?

• A. It can be executed using the DCLI utility.
• B. It can be executed on storage servers.
• C. It requires root privileges to create CELLDISKS and GRIDDISKS.
• D. It has command-line history.
• E. It can execute commands on multiple storage servers in parallel.

Answer: A,D,E

Explanation:
The CELLCLI utility is a command line interface to Exadata that enables the execution of commands across multiple storage servers in parallel. It also has command-line history, so users can easily recall previously entered commands. Furthermore, the CELLCLI utility can be executed using the DCLI utility, which provides a convenient way to execute commands on multiple storage servers simultaneously.
However, CELLCLI does not require root privileges to create CELLDISKS and GRIDDISKS, and it cannot be executed on storage servers. This is because CELLCLI is used to manage the Exadata database machine from the database server [1]. For more information about CELLCLI, refer to the Oracle Exadata Database Machine X9M Implementation Essentials official text book and resources [1][2].

NEW QUESTION # 53
Which of the following is NOT a requirement when validating, receiving, unpacking, and planning access route and space requirements for Exadata Database Machine?

• A. The entire access route to the installation site should be free of raised-pattern flooring that can cause vibration.
• B. A conditioned space is required to remove the packaging material to reduce particles before entering the data center.
• C. All four leveling and stabilizing feet should be raised and out of the way prior to moving the rack.
• D. 914mm of space required above the rack height is required for maintenance access.
• E. Oracle Exadata Rack may only be installed on raised floor environments.
• F. The incline of any access route ramp must be less than or equal to 6 degrees.

Answer: E

Explanation:
Exadata Database Machine is a pre-configured and pre-tuned hardware and software system designed to run Oracle Database, it can be installed on raised floor environments, but also on concrete or tile floors Oracle Exadata Database Machine X9M Implementation Essentials states that Exadata racks are designed to be installed on flat surfaces, not raised floor environments. It is not required to install the rack on raised floor environments. Additionally, the other options listed are all requirements for validating, receiving, unpacking, and planning access route and space requirements for Exadata Database Machine. (Source: Oracle Exadata Database Machine X9M Implementation Essentials, page 41)
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmin/index.html

NEW QUESTION # 54
Which dbmcli command is NOT valid on Exadata X9M?

• A. dbmcli -e "LIST METRICCURRENT WHERE name = 'DS_TEMP' "
• B. dbmcli -e "LIST ALERTHISTORY WHERE agelnMinutes < 15"
• C. dbmcli -e "LIST METRICHISTORY WHERE name LIKE 'DS_.*'"
• D. dbmcli -e "LIST IBPORT DETAIL"

Answer: D

Explanation:
The dbmcli -e "LIST IBPORT DETAIL" command is not valid on Exadata X9M. According to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book [1][2], this command is only valid on Exadata X3 and X4 models. The other three commands are valid on Exadata X9M.
https://forums.oracle.com/ords/apexds/map/tech/apps-infra/discussion/4342715/monitoring-roce-performance

NEW QUESTION # 55
Which are two correct statements for managing virtual deployment using Oracle Exadata Deployment Assistant (OEDA)?

• A. There is no limit on the number of VMs in an Exadata rack as long as the Exadata rack has adequate resources.
• B. OEDA allows customers to have both bare metal (BM) and virtual machine (VM) in an Exadata X9M Quarter Rack.
• C. OEDA sets up key-based authentication for the root user by using the setuprootssh.sh utility included with OEDA.
• D. OEDA deployment steps include calibrate cells, create cell disks, and resecure machine.

Answer: B,C

Explanation:
Oracle Exadata Deployment Assistant (OEDA) enables customers to deploy Oracle Exadata Database Machine in virtualized environments and it support both bare metal and virtual machine deployment in an Exadata X9M Quarter Rack.
OEDA allows customers to have both bare metal (BM) and virtual machine (VM) in an Exadata X9M Quarter Rack, and it sets up key-based authentication for the root user by using the setuprootssh.sh utility included with OEDA. According to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book [1][2], OEDA deployment steps include setup, configure, deploy, and manage. The number of VMs in an Exadata rack is limited by the available resources in the rack, such as CPU, Memory, and Storage.

NEW QUESTION # 56
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 ASM-scoped security mode
• B. Exadata storage realms using database-scoped security mode
• C. Using EXADCLI instead of CELLCLI to create the griddisks
• D. File permissions on the griddisks in each database server
• E. File permissions on the griddisks in each storage server

Answer: A,B

Explanation:
Exadata storage realms using ASM-scoped security mode allows you to control which database can access which griddisks by creating realms at the ASM level, thereby allowing you to limit the access of each database to the griddisks that it needs to access. This is covered in section 3.15.2 of the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources [1].
Exadata storage realms using database-scoped security mode allows you to control which database can access which griddisks by creating realms at the database level [1], thereby allowing you to limit the access of each database to the griddisks that it needs to access. This is covered in section 3.15.3 of the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources [2].
[1] https://docs.oracle.com/en/engineered-systems/exadata-database-machine/x9m/exad-implementing-database-machine-x9m.pdf [2] https://docs.oracle.com/en/engineered-systems/exadata-database-machine/x9m/exad-implementing-database-machine-x9m.pdf

NEW QUESTION # 57
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. Add 24x 32GB DIMMs.
• B. Shutdown the Database Server if running.
• C. Add 12x 32GB DIMMs.
• D. Add 32x 64GB DIMMs.
• E. Add 16x 32GB DIMMs.
• F. Memory cannot be expanded on Exadata X9M-2 Database Servers.
• G. Add 12x 64GB DIMMs.
• H. Remove existing memory modules.
• I. Add 16x 64GB DIMMs.

Answer: B,H,I

Explanation:
1. Remove existing memory modules: Before adding new memory modules, the existing memory modules should be removed.
2. Add 16x 64GB DIMMs: The new DIMMs should be added, in this case is 16 DIMMs of 64GB each, which will expand the memory to the highest configuration available.
3. Shutdown the Database Server if running: The Database Server should be shutdown before adding new memory modules in order to prevent any possible data loss or corruption.
The steps required to expand an Exadata X9M-2 Database Server with the lowest memory configuration available to the highest memory configuration are as follows:
Shutdown the Database Server if running.
Remove existing memory modules.
Add 16x 64GB DIMMs.
For reference, the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book states that "the lowest memory configuration for the Exadata X9M-2 Database Servers is 384GB and the highest is 768GB [1]. The memory upgrade is done in increments of 64GB using 16x 64GB DIMMs".

NEW QUESTION # 58
Which two of the following network connection types can be deployed on the client network ports of an Exadata X9M-2 Database Server?

• A. 2x 25Gb ports on eth1 and eth2 using SFP28 transceivers and OM4 fiber cable for backup network, and 2x 10Gb ports on eth3 and eth4 using RJ45 cat6 cable for client network
• B. 2x 25Gb ports on eth1 and eth2 using SFP28 transceivers and OM4 fiber cable for backup network, and 2x 25Gb ports on eth5 and eth6 using SFP28 transceivers and OM4 fiber cable for client network
• C. 2x 25Gb ports on eth1 and eth2 using SFP28 transceivers and OM4 fibre cable for client network, and 2x 10Gb ports on eth9 and eth10 using RJ45 cat6 cable for backup network
• D. 2x 10Gb ports on eth1 and eth2 using FU45 cat6 cable for client network, and 2x 25Gb ports on eth11 and eth12 using SFP28 transceivers and OM4 fiber cable for backup network

Answer: A,C

Explanation:
Statement D is true as the Exadata X9M-2 Database Server has two 25Gb ports on eth1 and eth2 using SFP28 transceivers and OM4 fiber cable for backup network, and two 10Gb ports on eth3 and eth4 using RJ45 cat6 cable for client network, as stated in the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book (page 24).
Statement B is also true as the Exadata X9M-2 Database Server has two 25Gb ports on eth1 and eth2 using SFP28 transceivers and OM4 fibre cable for client network [1][2], and two 10Gb ports on eth9 and eth10 using RJ45 cat6 cable for backup network, as stated in the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book (page 24).

NEW QUESTION # 59
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