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Oracle 1z1-902 Exam Syllabus Topics:

Topic	Details
Topic 1	Use Exadata Software to deploy an update to an Exadata Database Machine without downtime Configure Exadata Database virtual deployment using Oracle Exadata Deployment Assistant
Topic 2	Safely shut down a single Exadata Storage Server Describe the function of Oracle Exadata Configuration Assistant and Oracle Exadata Deployment Assistant
Topic 3	Describe the monitoring recommendations for Exadata Database Machine database servers Back up the Exadata Database Machine and databases on Exadata
Topic 4	Use the CellCLI, ExaCLI, DCLI and ExaDCLI Exadata administration tools in various situations Reconfigure the Exadata Database Machine to use a single power cable
Topic 5	Install and configure Oracle Exadata using Oracle Exadata Deployment Assistant Use Cloud Control or DBMCLI to monitor Exadata Database Machine Database Servers
Topic 6	Describe how software is maintained on different Database Machine components Describe Exadata software architecture and deployment scenarios
Topic 7	Describe the deployment options of Exadata including Virtualization and Bare Metal Add additional storage to Exadata Database Servers
Topic 8	Use Exadata Software to troubleshoot client network disconnect Exadata Database Machine Architecture and Key Capabilities
Topic 9	Describe Oracle Configuration Manager (OCM) and how it relates to Exadata Database Machine Explain the impact of various diskgroup failure group choices
Topic 10	Monitor Exadata Storage Server and Network using Command line or Cloud control Connect Exadata Database Server in various scenarios, including client and backup networks
Topic 11	Add additional database server to a physical Exadata Database Machine using Oracle Exadata Deployment Assistant Create and configure Automatic Storage Management disk groups using Exadata
Topic 12	Describe physical site requirements and safety best practices for implementing Exadata Describe Exadata Remote Direct Memory Access (RDMA) and Client network architecture
Topic 13	Describe the network integration options of Exadata Database Machine Use Enterprise Manager to discover Exadata Database Machine

Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q12-Q17):

NEW QUESTION # 12
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?

• A. 7,6,9,11
• B. 10, 8, 9, 11
• C. 0
• D. 10, 8, 2, 5
• E. 4,1, 6, 9

Answer: B Explanation:
The correct order of steps is 10, 8, 9, 11. The 10th step is to use the drop down to add Exadata X9M Database Servers, the 8th step is to use the drop down to add Exadata X9M EF Storage Servers, the 9th step is to use "Add Equipment" to add the ZFS Storage Controllers, and the 11th step is to use "Add Equipment" to add the ZFS Storage Trays. These steps are referenced in the Oracle Exadata Database Machine X9M Implementation Essentials Official Textbook, which is available online at https://docs.oracle.com/cd/E80437_01/E80437/html/index.html.
NEW QUESTION # 13
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 where status != 'inactive' on the affected storage server
• B. CellCLI alter GRIDDISK all inactive on the affected storage server
• C. CellCLI LIST GRIDDISK ATTRIBUTES name WHERE asmdeactivationoutcome != 'Yes' on the affected Storage server
• D. shutdown -h now' on the affected storage server
• E. CeLLCLI> alter cell shutdown SERVICES all on the affected storage server
• F. 'crsct1 stop cluster -all' on one of the database servers

Answer: D 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 # 14
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?

• A. Sparse
• B. High
• C. Normal
• D. External
• E. Extended

Answer: C Explanation:
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. This means that they need a redundancy level that can tolerate at least one disk failure without losing data availability or performance. Therefore, the best option for them is normal redundancy . Normal redundancy provides two-way mirroring by default, which means that each data extent has a primary copy and a mirror copy on different disks in different failure groups1. A failure group is a subset of disks within a disk group that are likely to fail at the same time due to common dependencies2. On Exadata Database Machine , each Storage Server is considered as a failure group by default2. This means that if one Storage Server fails or needs to be updated , the data on its disks can still be accessed from another Storage Server that has the mirror copies of the same data extents2. Therefore, normal redundancy ensures data availability and performance during updates or single-node server failures.
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/sagug/exadata-administering-asm.html
NEW QUESTION # 15
Which three statements are true about Oracle Configuration Manager (OCM) for an Exadata Database Machine?

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

Answer: A,D,E 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 # 16
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?

• A. patchmgr will apply patches in component groups consisting of 1 database server and 2 storage servers to minimize disruption.
• B. patchmgr cannot apply updates in a rolling manner, you must manually apply patches with the dbnodeudpate and cellupdate tools if high availability is required.
• C. patchmgr must be invoked with the -rolling argument with all database and storage servers listed in a single input file.
• D. patchmgr must be invoked with the -rolling argument. Each component type must be upgraded independently of the other.

Answer: C Explanation:
According to Oracle documentation12, patchmgr is the utility used to update software for Exadata infrastructure components. It can apply patches in a rolling or non-rolling manner depending on the argument and input file provided.
NEW QUESTION # 17
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