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DELL EMC D-XTR-DS-A-24 Dell XtremIO Design Achievement Online Training

Question #1

Which Multipathing software is supported by ExtremIO?

  • A . PowerPatch/VE and NMP on ESXi Host
  • 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

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Correct Answer: C
Question #2

A customer has a workload with the following attributes:

. Generates 500.000 IOPs

. Maximum Bandwindth of 14GB/s

Which XtremIO X2 solution should be recommended to the customer?

  • A . 1 X-Brick
  • B . 2 X-Brick
  • C . 3 X-Brick
  • D . 4 X-Brick

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Correct Answer: B
Question #3

A customer wants to connect their Storage Controller to Fiber Channel switches using as many Fiber Channel port as possible.

Which port of each storage controller shown in the exhibit should be used?

  • A . 1 and 2
  • B . 1,2,3 and 4
  • C . 2 and 3
  • D . 3 and 4

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Correct Answer: A
Question #4

You are connecting a Linux host to an XtremIO array. The host will be connected to the array using the Qlogic HBA’s.

Based on the recommended best practice, what is the value for the queue depth?

  • A . 128
  • B . 256
  • C . 1024
  • D . 8192

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Correct Answer: B
Question #5

What should the Oracle Redo Log block size be set to in order to prevent log entries from being misaligned by read-modify-write operators for an Oracle Database?

  • A . 4 Kb
  • B . 8 Kb
  • C . 16 Kb
  • D . 24 Kb

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Correct Answer: C
Question #6

Which I/O elevator setting should be selected for use with XtremIO?

  • A . Cfq
  • B . Deadline
  • C . Noop
  • D . Anticipatory

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Correct Answer: B
Question #7

A customer’s environment is configured as follows

. Dual X-Brick cluster

. 8 ESXi hosts with 2 Emulex HBAs

. Each ESXi hosts has 8 LUNs

. Each LUN is visible through 4 paths

What should be the LUN queue depth setting per path?

  • A . 64
  • B . 128
  • C . 256
  • D . 1024

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Correct Answer: D
Question #8

What is an accurate statement about the XtremIO XVC refresh operations?

  • A . Unmount of a production volumn is not required
  • B . Only snapshot to production refresh is supported
  • C . O/S side device scan is not required
  • D . Refreshed volumn cannot be resized

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Correct Answer: A
Question #9

What is the fingerprint bit size created by the algorithm used by XtremIO?

  • A . 160
  • B . 224
  • C . 256
  • D . 512

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Correct Answer: C
Question #10

What is true about the flow control feature when configuring he iSCSI SAN from the host to the XtremIO cluster?

  • A . Disable flow control features on the server, switch(s) and array ports
  • B . Enable flow control features on the server and array port only
  • C . Enable flow control features on the server, switch(s) and array ports
  • D . Disable flow control features on the server and array port only

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Correct Answer: C

Question #11

At which point is data compressed when a host sends data to the XtremIO Storage system?

  • A . Inline before data is written to the SSD
  • B . Once data is written to the Storage Controller
  • C . After data is written to the SSDs
  • D . After data is in SSD cache

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Correct Answer: D
Question #12

A customer what you to design an XtremIO solution for an Oracle RAC application environment. The customer maintains two data centers and requires replication to a third site for disaster recovery purposes. The solution must be fault tolerant and capable of remaining online during planed and unplanned downtime event due to governmental regulations.

Which DellEMC technology should recommended to the customer to meet these requirements?

  • A . RecoverPoint/SE
  • B . ProtectPoint
  • C . MetroPoint
  • D . VIPR

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Correct Answer: A
Question #13

Which host operating system does the Live Optic Collector run on?

  • A . Windows and Linux
  • B . Windows, Linux, Solaris and HPUX
  • C . Windows, Linux, and Solaris
  • D . Windows, Linux, and KVM

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Correct Answer: B
Question #14

What should the I/O size be set to in a VMware VDI Solution utilizing VAAI XCOPY on XtremIO?

  • A . 16 kb
  • B . 256 kb
  • C . 4 MB
  • D . 256 MB

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Correct Answer: C
Question #15

Which disk format should be used for ESXi Disks Provisioned by XtremIO?

  • A . Zeroed Thick
  • B . Thin
  • C . Thick
  • D . Eager zeroed thick

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Correct Answer: C
Question #16

You have been requested to connect to the TECH port of a physical XtremIO X2 XMS Global Technical Support.

Which port should the service machine be connected to on the server?

  • A . USB-BOTTOM
  • B . MGMT ETH0
  • C . USB-TOP
  • D . USB-MIDDLE

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Correct Answer: D
Question #17

Which host OS supports both 512 bytes and 4 KB XtremIO logical block (LB) volumns?

  • A . VMware
  • B . Linux
  • C . IBM AIX
  • D . HP-UX

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Correct Answer: C
Question #18

What is the block size an XtremIO X2 uses to Optimize I/O handling internally?

  • A . 16 kB
  • B . 32 kB
  • C . 64 kB
  • D . 1024 kB

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Correct Answer: A
Question #19

What is the recommended execution throttle setting for Windows, Linux, and VMware for Qlogic Adapter?

  • A . 32
  • B . 1024
  • C . 16384
  • D . 65536

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Correct Answer: C
Question #20

You need to design a VDI solution for a customer.

Which best practices should be used for VDI environments?

  • A . Align data on 8 kB boundaries. Put the master VM image on an XtremIO LUN
  • B . Align data on 4 kB boundaries. Allocate multiple XtremIO LUNs to each host
  • C . Align data on 8 kB boundaries. Put all VDI-related data on one large LUN
  • D . Align data on 4 kB boundaries. Put persona and user data on XtremIO LUNs

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Correct Answer: C
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