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Oracle 1z1-902 exam is a comprehensive test that covers a range of topics related to Oracle Exadata Database Machine X8M. Candidates will be tested on their knowledge of system architecture, installation and configuration, management and monitoring, performance tuning, backup and recovery, and security. 1z1-902 exam consists of 60 multiple-choice questions and candidates have two hours to complete it.
Oracle 1z1-902 (Oracle Exadata Database Machine X8M Implementation Essentials) Certification Exam is designed for IT professionals who want to validate their skills in implementing and managing Oracle Exadata Database Machine X8M. 1z1-902 Exam is intended for individuals who have a strong understanding of Oracle database technology and are seeking to enhance their expertise in the implementation and management of Oracle Exadata.
Oracle Exadata Database Machine X8M Implementation Essentials exam covers a wide range of topics related to Exadata Database Machine X8M. These topics include the Exadata architecture, hardware components, software components, database administration, backup and recovery, and performance tuning. 1z1-902 exam also covers the best practices for configuring and managing the Exadata system, including networking, storage, and security.
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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q46-Q51):
NEW QUESTION # 46
Which two statements are true for the Oracle Exadata Configuration Assistant (OECA)?
- A. OECA facilitates PDU power selection initially and after equipment addition.
- B. OECA allows one XT storage server in the configuration.
- C. OECA reconfigures the size of disk groups and recreates grid disks.
- D. OECA extends the hardware for the elastic configuration only.
- E. OECA's "Add Equipment" input option allows allocation of RU slots for customer equipment.
Answer: A,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.
References 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 # 47
Which two statements are true about applying updates on Exadata systems?
- A. Updating kernel and RDMA packages on storage cells should be prevented by excluding them with the yum -exclude option.
- B. Failed database server updates are rolled back to a working state on a previous release automatically.
- C. To speed up applying storage server updates in a rolling manner, updating two storage servers simultaneously is recommended.
- D. When running a "yum update" for a new Exadata release, all other repositories should be disabled.
- E. For regular Exadata updates, yum automatically installs a non-UEK kernel, which can be selected to boot from grub.
- F. Failed storage server updates are automatically rolled back to a previous release.
Answer: B,E
NEW QUESTION # 48
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 is mandatory to install OCM on all database servers.
- E. It collects configuration information automatically.
- F. Collected configuration information can be uploaded manually to Oracle.
Answer: C,D,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 # 49
You are hardening the security posture of your Exadata Database Machine. Before disabling ssh access to the storage servers, what should you do to enable REST access to the MS process?
- A. Install Oracle Rest Data Services on each Storage server and install the MS APEX application.
- B. Install Oracle Rest Data Services on each Database server and install the MS APEX application.
- C. The MS Process on the storage servers is natively endowed with REST services and are enabled by default, however, appropriate roles and users should be created to ensure security.
- D. The MS Process on the storage servers is natively endowed with REST services, but are not enabled by default.
Answer: D
Explanation:
To enable REST access to the MS process, you need to manually enable the REST services on each storage server by running the command cellcli -e "ALTER CELL ENABLE REST" and then configure authentication and authorization to ensure secure access. This is described in detail in the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book (Chapter 8, Securing the Exadata Database Machine).
NEW QUESTION # 50
Exadata X9M enables virtualization using KVM. Which statement is true about virtualization on Exadata X9M?
- A. Oracle KVM Manager should be installed on at least two Database servers per Exadata rack.
- B. Up to 12 virtual guests per X9M-2 database server are supported. If the database server memory has 384GB and Exadata Secure RDMA Fabric isolation is configured 8 guests are supported
- C. Up to 12 virtual guests per X9M-2 database server are supported.
- D. Virtual guests from X8 and earlier can be migrated to X9M using VM Guard.
- E. Exadata X9M-8 supports up to 48 virtual guests regardless if Exadata Secure RDMA Fabric Isolation is configured.
Answer: C
Explanation:
Oracle Exadata X9M-2 supports virtualization through Kernel-based Virtual Machine (KVM), enabling multiple virtual machines (VMs) to run on each database server. Specifically:
Each X9M-2 database server can support up to 12 virtual guests. This number provides ample flexibility for running various applications or Oracle Real Application Clusters (RAC) instances across virtualized environments .
While Exadata X9M-8 supports even more extensive virtualization, this question focuses on the X9M-2 model. The specified limitation of 12 guests per database server considers both system resource allocation and performance optimization .
NEW QUESTION # 51
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