E22-258 Online Practice Questions and Answers

Which XtremIO component provides management for an X-Brick cluster?

A. XMS

B. Storage Controller

C. XIOS

D. InfiniBand Switch

You have been asked to install an XtremIO dual X-Brick array. In which guide is the required network firewall information located to inform the customer?

A. Site Preparation Guide

B. Operations Guide

C. Software Installation and Upgrade Guide

D. Installation Summary Guide

On an XtremIO system, what is the reason for using the Easy-Install CLI?

A. Initially configure the storage controllers and the physical XMS

B. Place the array components in the correct order

C. Initially configure the TECH port

D. Generate debug information

An implementation specialist wants to enable encryption on their XtremIO storage system. Which menu item will allow the administrator to configure this feature?

A. Administration

B. Hardware

C. Configuration

D. Dashboard

An XtremIO storage array reports an overall efficiency of 30:1. Which combination of Deduplication Ratio (DR), Compression Ratio (CR), and Thin Provisioning Saving (TPS) would achieve this efficiency?

A. DR = 2.5:1; CR = 4.0:1; TPS = 30%

B. DR = 3.0:1; CR = 2.0:1; TPS = 50%

C. DR = 4.0:1; CR = 2.5:1; TPS = 70%

D. DR = 5.0:1; CR = 2.0:1; TPS = 66%

Which alerts can be selected when an XtremIO volume is created?

A. Small IO (< 4 kB), aligned IO

B. Small IO (< 4 kB), unaligned IO

C. Small IO (< 8 kB), aligned IO

D. Small IO (< 8 kB), unaligned IO

What should I/O elevators be configured to for XtremIO storage?

A. noop

B. random

C. optimize

D. lowseek

Which parameter can be changed to improve performance on an XtremIO array?

A. HBA execution throttle

B. RAID level

C. Cache size

D. Target port affinity

XtremIO storage is assigned to a host. If the host has the HBA execution throttle set to 256, what effect will this have on the system?

A. Queue depth for each HBA port will be set to 256

B. Each LUN visible to the port will have a queue depth set to 256

C. Aggregate queue depth for all HBA ports will be set to 256

D. Each LUN visible to the port will have a queue depth set to 256 / <# HBA ports>

How does VMware HA protect the XtremIO Management Server (XMS)?

A. Restarts XMS VM on another host if a host failure occurs

B. Runs two XMS VMs in lock-step mode for redundancy

C. Migrates XMS VM data to another datastore if a storage failure occurs

D. Maintains copies of the XMS VM data on two datastores for redundancy