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EMC E20-526 - XtremIO Solutions and Design Specialist Exam for Technology Architects

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Total 67 questions

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?

A.

128 ms

B.

192 ms

C.

256 ms

D.

332 ms

A physical XtremIO Management Server (XMS) has failed and requires replacement. Which two software packages are required for recovery?

A.

XMS image and OVA image

B.

Xtremapp and OVA image

C.

XMS image and Xtremapp

D.

Xtremapp and MPIO

Which actions are initiated when a snapshot is created on an XtremIO array?

A.

Parent object becomes read only and two auxiliary volumes are created

B.

Parent object remains writeable and one auxiliary volume is created

C.

Parent object remains writeable and two auxiliary volumes are created

D.

Parent object becomes read only and one auxiliary volume is created

You need to design a VDI solution for a customer. Which best practices should be used for VDI environments?

A.

Align data on 4 kB boundaries. Put persona and user data on XtremIO LUNs

B.

Align data on 4 kB boundaries. Allocate multiple XtremIO LUNs to each host

C.

Align data on 8 kB boundaries. Put the master VM image on an XtremIO LUN

D.

Align data on 8 kB boundaries. Put all VDI-related data on one large LUN

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?

A.

8 kB

B.

63 kB

C.

256 kB

D.

4 MB

A Linux administrator is attaching a new RHEL server to their XtremIO storage array. Which configuration setting should be changed?

A.

Enable Logical Volume Manager

B.

Modify the file system block size

C.

Disable HBA Queue Depth

D.

Disable I/O elevators

You need to design an Oracle solution for a customer. Which XtremIO best practices should be used in Oracle environments?

A.

Use a 512 byte LUN sector size for databases. Use Eager Zeroed Thick formatting for ESXi

B.

Use a 4 kB LUN sector size for databases. Use Lazy Zeroed Thick formatting for ESXi

C.

Align data on 4 kB boundaries. Use Thin formatting on ESXi

D.

Align data on 4 kB boundaries. Use Lazy Zeroed Thick formatting on ESXi

What is a characteristic of the XtremIO Snapshot feature?

A.

Snapshots may be deleted in any order

B.

Snapshots can only be deleted in reverse creation order

C.

Only one snapshot may be created or deleted at a time

D.

Snapshots can be restored

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?

A.

Microsoft Windows and RHEL

B.

VMware ESX and Microsoft Windows

C.

RHEL and IBM AIX

D.

Sun Solaris and HP-UX

A customer has two XtremIO clusters running 3.x software release. The customer just purchased a new XtremIO array that will be installed with the latest 4.x software release.

What is the minimum number of XtremIO Management Server(s) that will be required to manage all clusters?

A.

1

B.

2

C.

3

D.

4