E20-526 Questions And Answers


Exam Name: XtremIO Solutions and Design Specialist Exam for Technology Architects

Updated: 2020-06-04

Q & A: 67

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Question No : 1

An XtremIO administrator is having a problem with performance and is troubleshooting the issue.
What is an accurate statement about I/O transfers?
A. As I/O size increases, IOPs increase, and latency increases
B. As I/O size increases, IOPs decrease, and bandwidth increases
C. As I/O size decreases, IOPs increase, and bandwidth increases
D. As I/O size decreases, IOPs decrease, and latency increases
Answer: A

Question No : 2

A customer has a large ESX server environment they are considering deploying to XtremIO for a VDI implementation. To determine a baseline of the environment, you are proceeding with documenting each server's CPU, NIC, and disk utilization statistics. The customer has provided you with direct CU access to the servers to conduct this assessment.
Which utility should be used to monitor these performance parameters?
A. esxtop
B. resxtop
C. top
D. iostat
Answer: B

Question No : 3

A customer has recently purchased an XtremIO 10 TB single X-Brick cluster for an implementation of Oracle RAC. The customer wants your help with integrating Oracle with their new XtremIO cluster.
The customer has three DATA disk groups, two REDO disk groups, and four FRA disk groups.
How many XtremlO LUNs should be assigned to the FRA disk groups?
A. 2
B. 4
C. 6
D. 8
Answer: D

Question No : 4

A user attempts to create a quorum disk for a host cluster. Volume parameters are:
However, the volume creation fails. What caused the process to fail?
A. Quorum disks cannot have an 8kB block size
B. Volume size is too small
C. Volume name is invalid
D. XtremIO volumes cannot be quorum disks
Answer: B

Question No : 5

Which multipathing software is supported by XtremIO?
A. PowerPath/VE and NMP on ESXi hosts
B. MPIO on non-clustered Microsoft Windows hosts only
C. PowerPath/VE on Microsoft Windows VMs hosted by ESXi
D. Native MPIO on IBM AIX clusters
Answer: A

Question No : 6

How should a storage administrator navigate to different XtremIO clusters from the XMS GUI if the administrator has more than one cluster managed by the same XMS?
A. Click the Cluster Name on the Menu bar near the top of the screen
B. Click the Inventory List button on the Menu bar
C. Click the Administration tab and locate the Cluster Name
D. Click the Cluster Name on the Status bar at the bottom of the screen
Answer: B

Question No : 7

You have been asked to design an XtremIO storage array solution that will be used for two large applications workloads. One overload will generate approximately 150,000 write IOPs with an average 4 kB 1/0 size. The second write workload will have an average I/O size of 128 kB and will generate approximately 2 GB/s of throughput.
At a minimum, how many X-Bricks are needed in a single cluster to meet this requirement?
A. 2
B. 4
C. 6
D. 8
Answer: A

Question No : 8

When using the XtremIO PoC Toolkit, what is the purpose of the Age phase?
A. Continuously write to a specific range of logical block addresses to test Flash durability
B. Overwrite each LUN multiple times to ensure they contain all unique data
C. Test the performance of the All-Flash array with non-production static data
D. Scatter writes across the entire array to simulate ordinary use of the system
Answer: D

Question No : 9

Based on best practice, what is the maximum number of paths a host should have to an XtremIO volume?
A. 4
B. 8
C. 16
D. 32
Answer: C

Question No : 10

How can REST API commands be run to manage and monitor an XtremIO cluster?
A. From the REST API CLI built into each X-Brick
B. From the REST API GUI built into each X-Brick
C. From a third-party GUI
D. From the REST API tab in the XMS GUI
Answer: C

Question No : 11

A new 500 GB VM disk is created on a database that resides on an XtremIO LUN. The VMware administrator plans to provision the disk using the thick provisioned eager zeroed format.
How much physical XtremIO capacity will be allocated during this process?
A. 5 GB
B. 10 GB
C. 50 GB
D. None
Answer: D

Question No : 12

A customer wants to purchase an XtremIO array. After the array is installed, the customer wants to initially disable encryption. What is the result of enabling encryption on an array that is already being used?
A. Data will remain in place but the XtremIO cluster services will need to be temporarily shutdown.
B. Data will remain in place and there will be no interruption to the XtremIO cluster services.
C. Data will be erased but there will be no interruption to the XtremIO cluster services.
D. Data will be erased and the XtremIO cluster services will be temporarily shutdown.
Answer: A

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