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오라클 1Z0-902: Oracle Exadata Database Machine X8M Implementation Essentials 시험은 Exadata Database Machine X8M을 구현하려는 전문가들의 기술과 지식을 검증하는 자격증 시험입니다. 이 시험은 후보자의 Exadata Database Machine X8M을 설치, 구성 및 관리할 수 있는 능력을 테스트하기 위해 설계되었습니다. 또한, 이 시험은 후보자가 Exadata Database Machine X8M의 다양한 구성 요소와 그 운영 방법을 이해하는 능력도 테스트합니다.

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1z1-902최고품질 인증시험자료, 1z1-902유효한 공부자료

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최신 Oracle Engineered Systems 1z1-902 무료샘플문제 (Q61-Q66):

질문 # 61
What is the maximum DRAM capacity you can expand an X9M-2 DB Server?

A. 512GB
B. 2048GB
C. 768GB
D. 1024GB
E. 384GB
F. 1536GB

정답：F

설명：
According to 1, Exadata X9M-2 Database Servers are based on Intel Xeon Platinum 8368Y processors with 32 cores and 768 GB of DRAM memory per server. This memory can be expanded up to 1.5 TB per server by adding 24 x 32 GB DIMMs. The DRAM memory is used for buffer cache, PGA, and other database purposes1. Exadata X9M-2 Database Servers also have 25.6 TB of Persistent Memory Acceleration (PMEM) per server, which is used for log writes and columnar data caching1. PMEM is a new type of memory that combines the speed of DRAM with the persistence of flash2. Exadata X9M-2 Database Servers are designed to run Oracle Database workloads with high performance, scalability, and reliability2

질문 # 62
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 cannot proceed until two power feeds are available per PDU.
C. The installation can go ahead, no change is required.
D. A splitter cable can be used to provide power to all PDU cables.

정답：B

설명：
An Exadata Quarter Rack with 2 Database Servers and 3 HC Storage Servers and 3-phase 15kVA PDUs would typically require two power feeds per PDU, one for each of the two power distribution units (PDUs) in the rack. A single power feed per PDU is not sufficient to provide the necessary power to the servers and storage in the rack.

질문 # 63
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. alert logs for the ASM instances
B. Enterprise Manager Alerts on the ILOM home page for cell connectivity problems for the prod database instances
C. Enterprise Manager Alerts on the Exadata Storage Server Grid home page
D. alert logs for Enterprise Manager
E. alert logs for the prod database instances

정답：A,E

설명：
According to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources, you can find diagnostic messages related to this problem in the alert logs for the ASM instances and the alert logs for the prod database instances. The alert logs for the ASM instances will provide information related to the offline asm disks, while the alert logs for the prod database instances will provide information related to whether the prod database instances are connected to the ASM instance or not.

질문 # 64
Which two statements are true for the Oracle Exadata Configuration Assistant (OECA)?

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

정답：C,E

질문 # 65
You have been asked to investigate why an Exadata Database Server stopped communicating on the client network for 10 minutes over the past weekend.
Which command would help investigate this?

A. $ ${ORACLE_HOME}/suptools/tfa/release/tfa_home/bin/tfact1 -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00
B. # /opt/oracle.SupportTools/ibdiagtools/netcheck/runDiagnostics.pm -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00
C. # /opt/oracle.SupportTools/exachk/exachk -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00
D. # /opt/oracle.ExaWatcher/GetExaWatcherResults.sh -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00

정답：D

설명：
AccordingtoOraclesdocumentationoneoftheutilitiesfordiagnosticsand
Explanation:
repair of Oracle Exadata Storage Server is ExaWatcher, which collects operating system and network metrics on database servers and storage servers. The utility is located in the /opt/oracle.ExaWatcher directory1.
To investigate why an Exadata Database Server stopped communicating on the client network for 10 minutes over the past weekend, you can use the GetExaWatcherResults.sh script to collect and analyze ExaWatcher data for a specified time range1.
Therefore, the command that you should use to investigate this is:
/opt/oracle.ExaWatcher/GetExaWatcherResults.sh -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00

질문 # 66
......

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