Quiz 1z1-902 - Oracle Exadata Database Machine X8M Implementation Essentials–Reliable Valid Exam Objectives

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Oracle Exadata Database Machine X8M Implementation Essentials certification exam, also known as the 1Z0-902 exam, is designed for IT professionals who want to demonstrate their expertise in implementing and managing Oracle Exadata Database Machine X8M systems. Oracle Exadata Database Machine X8M Implementation Essentials certification offers a comprehensive validation of an individual's skills in configuring, deploying, and maintaining the Exadata Database Machine X8M system, which is a high-performance platform designed for running Oracle Database workloads.

Oracle 1z1-902 is an exam that tests the candidate's knowledge and expertise in implementing Oracle Exadata Database Machine X8M. 1z1-902 exam is designed for individuals who are working as database administrators, system administrators, or technical consultants, and are responsible for implementing and managing Oracle Exadata Database Machine X8M. 1z1-902 Exam covers various topics related to the installation, configuration, management, and troubleshooting of Oracle Exadata Database Machine X8M.

Oracle 1Z0-902 exam covers a wide range of topics related to the implementation and management of the Exadata Database Machine X8M. These topics include hardware and software installation, database migration, storage configuration, network configuration, backup and recovery, performance tuning, and troubleshooting. 1z1-902 exam is designed to test the candidate's understanding of the machine's architecture and features, as well as their ability to apply best practices in managing the system. Passing 1z1-902 exam demonstrates a high level of expertise in implementing and managing the Exadata Database Machine X8M, and it is a valuable credential for professionals working in this field.

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q38-Q43):

NEW QUESTION # 38
Which two statements are false about backup to ZFS Storage Appliance (ZFSSA)?

A. ZFSSA may connect directly to the Exadata 100Gb RoCE network switches.
B. When backing up multi-rack systems, sharing Exadata X9M switches is recommended.
C. ZFS Snapshots can provide rapid cloning of development and test environment.
D. Top of Rack (ToR) switches are managed as part of the hardware stack and software levels are upgraded during the patching process.

Answer: A,D

NEW QUESTION # 39
Which dbmcli command is NOT valid on Exadata X9M?

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

Answer: A

NEW QUESTION # 40
Which two sections of the AWR report shows statistics for X9M Persistent Memory Cache?

A. PMEM Cache section within Memory Statistics
B. PMEM Pool Misses in the Exadata Outlier Summary
C. PMEM Pool cache Read Hits in the Cache Sizes portion of the Report Summary
D. PMEM Cache section within Exadata Smart Statistics
E. cell PMEM cache Read Hits in the Database IOs portion of the Performance Summary

Answer: A,D

Explanation:
The AWR report has two sections that show statistics for X9M Persistent Memory Cache: the PMEM Cache section within Memory Statistics and the PMEM Cache section within Exadata Smart Statistics. Both of these sections provide detailed information about the read and write hits and misses, as well as the total capacity and utilization of the PMEM cache. (Source: Oracle Exadata Database Machine X9M Implementation Essentials, page 515)

NEW QUESTION # 41
Which are two valid reasons for executing an X9M-2 Exadata storage server rescue procedure?

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

Answer: E,G

Explanation:
The rescue procedure is necessary when system disks fail, the operating system has a corrupt file system, or there was damage to the boot area. If only one system disk fails, then use CellCLI commands to recover. In the rare event that both system disks fail simultaneously, you must use the Exadata Storage Server rescue functionality provided on the Oracle Exadata Storage Server Software CELLBOOT USB flash drive.

NEW QUESTION # 42
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. Consult My Oracle Support note 888828.1 to determine the current recommended Exadata software release.
C. Check the Exadata Critical Issues My Oracle Support note 1270094.1 for any issues not added to the latest version of exachk.
D. Run exachk and resolve only WARNINGS that you have not seen before.
E. For database servers, perform a server backup using patchmgr -dbnodes db_list_file -backup -rolling.
F. Run the appropriate patchmgr preqequisite check step for each component being updated.

Answer: B,C,D,F

Explanation:
According to Oracle.com documents or resources, the four actions that you should take before proceeding with applying updates to your Exadata Database Machine are:
A) Consult My Oracle Support note 888828.1 to determine the current recommended Exadata software release123.
B) Check the Exadata Critical Issues My Oracle Support note 1270094.1 for any issues not added to the latest version of exachk453.
C) Run exachk and resolve only WARNINGS that you have not seen before3.
D) Run the appropriate patchmgr preqequisite check step for each component being updated3.

NEW QUESTION # 43
......

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