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EMC E20-526 問題練習

XtremIO Solutions and Design Specialist Exam for Technology Architects 試験

最新更新時間: 2019/07/06,合計67問。

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Question No : 1
A customer has decided to use VMware Horizon View as their desktop virtualization technology.
Their VDI environment will consist of XtremIO storage and ESXi hosts. They are looking for increased speed and low latencies while performing file copy operations.
What should the setting for VAAI XCOPY I/O size be set to in order to achieve this requirement?

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Question No : 2
When installing a physical XtremIO Management Server (XMS) station, which requirement must be met?

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Question No : 3
A customer has a group of applications that need storage which can provide low response times. The total I/O requirements are 75,000 IOPs with a 4 kB block size. They will have 500 LUNs and need to keep 30 daily snapshots of each LUN.
What is the smallest XtremIO configuration that will meet their needs?

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Question No : 4
When creating XtremIO volumes for a host, which operating systems will benefit by changing the default logical block size for applications consisting of 4 KB I/Os?

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Question No : 5
A customer wants to use the Cinder driver to manage XtremIO storage in an OpenStack environment.
What is a potential concern?

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Question No : 6
A storage administrator wants to re-use some of their XtremIO thin provisioned disks attached to a Microsoft Windows 2012 host. However, the administrator notices that "Quick Format" of the drives is taking a long time to complete. This has an impact on the overall performance.
What should be recommended to minimize the performance impact?

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Question No : 7
What are common storage array mechanisms?

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Question No : 8
A Linux administrator is attaching a new RHEL server to their XtremIO storage array. Which configuration setting should be changed?

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Question No : 9
Where is the XtremIO VSS hardware provider package installed?

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Question No : 10
You have conducted a meeting with a company's Chief Technology Officer (CTO). The CTO wants an XtremIO solution to meet their business needs. The CTO wants you to review the proposed solution with their desktop administrator to identify any additional requirements.
What are two key considerations to discuss with the desktop administrator?

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Question No : 11
You need to design an Oracle solution for a customer. Which XtremIO best practices should be used in Oracle environments?

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Question No : 12
A physical XtremIO Management Server (XMS) has failed and requires replacement. Which two software packages are required for recovery?

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Question No : 13
A customer is considering XtremIO storage for their current Virtual Desktop Infrastructure (VDI)
deployment. The customer wants information on the benefits of an XtremIO solution.
What are the benefits of an XtremIO solution for this environment?

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Question No : 14
A customer is considering migrating their existing non-EMC storage arrays to an XtremIO array. The current environment consists of 350 servers running VMware ESXi 5.5 with 5000 virtual machines.
The customer has various tools in place to monitor performance and collect statistics. On average, their service time is 32 ms and utilization is at 75%. In the past, the customer has had performance issues.
Based on Little's Law, what is the calculated response time on the existing environment?

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Question No : 15
A customer has recently deployed an XtremIO 20 TB two X-Brick cluster to run an existing instance of Oracle RAC previously leveraging VNX for back-end storage. The application environment uses a block size of 1 MB. Multiple tables are in use with the PARALLEL_DEGREE_POLICY variable set to AUTO.
The customer wants your help with tuning the DB_FILE_MULTIBLOCK_READ_COUNT parameter for best performance with XtremIO. Which values should be recommended for tuning the DB_FILE_MULTIBLOCK_READ_COUNT parameter in the Oracle RAC environment?

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