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Oracle 1z1-902 (Oracle Exadata Database Machine X8M Implementation Essentials) Certification Exam is designed to validate the skills and knowledge of IT professionals who are responsible for implementing and managing Oracle Exadata Database Machine X8M. 1z1-902 exam covers a range of topics related to Exadata implementation and management, and candidates should have a strong understanding of Oracle database technology and experience with Oracle database administration and performance tuning to succeed on the exam.

Oracle Exadata Database Machine X8M is a powerful database appliance that is designed to provide high performance, scalability, and availability for mission-critical databases. The machine is built on top of Oracle Database technology and includes advanced hardware components such as InfiniBand networking, flash storage, and high-speed processors. The Oracle 1z1-902 Exam covers all the key concepts and technologies that are necessary to effectively implement the Exadata Database Machine X8M. Passing 1z1-902 exam demonstrates an individual's proficiency in implementing and managing this powerful database machine.

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q58-Q63):

NEW QUESTION # 58
Which two statements are true for the Oracle Exadata Configuration Assistant (OECA)?

A. OECA allows one XT storage server in the configuration.
B. OECA reconfigures the size of disk groups and recreates grid disks.
C. OECA facilitates PDU power selection initially and after equipment addition.
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: 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.
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 # 59
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 Enterprise Manager
B. alert logs for the prod database instances
C. alert logs for the ASM instances
D. Enterprise Manager Alerts on the ILOM home page for cell connectivity problems for the prod database instances
E. Enterprise Manager Alerts on the Exadata Storage Server Grid home page

Answer: D,E

NEW QUESTION # 60
Which are two valid reasons for executing an X9M-2 Exadata storage server rescue procedure?

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

Answer: D,G

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 # 61
Which are three customer options for hosting the Platinum Services Advanced Support Gateway?

A. Install on Exadata Engineered System.
B. Purchase the recommended x86 64-Bit gateway hardware from Oracle.
C. Provide individual x86 64-Bit gateway hardware.
D. Install on Oracle Database Appliance.
E. Install in Oracle Virtual Machine with required hardware.

Answer: A,B,C

Explanation:
These options are outlined in the Oracle Exadata Database Machine X9M Implementation Essentials official text book and resources. The customer can choose to either provide their own x86 64-Bit gateway hardware or purchase the recommended hardware from Oracle, or they can install the gateway on an Exadata Engineered System.

NEW QUESTION # 62
How is Exadata Secure RDMA Fabric isolation used in X9M-2 with virtualization enabled?

A. With Secure Fabric isolation, each Database VM Guest uses a dedicated network partition and VLAN ID for client networking between application servers. This improves security by preventing man in the middle attacks.
B. With Secure Fabric isolation, each Database VM Cluster uses a dedicated network partition and VLAN ID for Data Guard networking between the primary and disaster recovery Exadata racks. This improves security by isolating data guard traffic onto an encrypted network between data centers.
C. With Secure Fabric isolation, each Storage Server runs multiple KVM guests each dedicated to a Database VM cluster using a dedicated network partition and VLAN ID. This provides security and isolation between multiple tenants or VM clusters.
D. With Secure Fabric isolation, each Database VM cluster uses a dedicated network partition and VLAN ID for cluster networking between the database servers in the VM Cluster. This provides security and isolation between multiple tenants or VM clusters.

Answer: D

Explanation:
Exadata Secure RDMA Fabric isolation is a feature that allows you to use virtualization on the X9M-2 platform while maintaining security and isolation between multiple tenants or VM clusters. Secure Fabric isolation works by creating a dedicated network partition and VLAN ID for each Database VM cluster, which is used for cluster networking between the database servers in the VM Cluster. This ensures that the network traffic of each VM cluster is isolated from the others, and it prevents unauthorized access to the data or resources of other VM clusters. Secure Fabric isolation can also be used for other purposes such as client networking, Data Guard traffic, but it's mainly used to provide security and isolation between multiple tenants or VM clusters.
According to Oracle's documentation1, Exadata Secure RDMA Fabric Isolation is a feature that enables strict network isolation for Oracle Real Application Clusters (Oracle RAC) clusters on Exadata Database Machine systems that use RDMA over Converged Ethernet (RoCE). Exadata Secure RDMA Fabric Isolation uses RoCE VLANs to ensure that network packets from one VM cluster cannot be seen by another VM cluster. VLAN tag enforcement is done at the KVM host level, which means that security cannot be bypassed by any software exploits or misconfiguration on the database server VMs1.
Therefore, the statement that is true about how Exadata Secure RDMA Fabric isolation is used in X9M-2 with virtualization enabled is:
With Secure Fabric isolation, each Database VM cluster uses a dedicated network partition and VLAN ID for cluster networking between the database servers in the VM Cluster. This provides security and isolation between multiple tenants or VM clusters.

NEW QUESTION # 63
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