E22-258 Online Practice Questions and Answers

How many SSDs are located in each XtremIO storage controller?

A. 0

B. 1

C. 2

D. 4

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

A. XMS

B. Storage Controller

C. XIOS

D. InfiniBand Switch

On an XtremIO system with a dual X-Brick topology, which hardware device should be in the upper-most position?

A. InfiniBand switch

B. Storage Controller 4

C. Battery Backup Unit 2

D. DAE 2

What is the purpose of the TECH port on an XtremIO system?

A. Connect to a storage controller or physical XMS and launch the easy-install configuration procedure

B. Connect to a storage controller or physical XMS and configure a virtual XMS management interface

C. Connect to a storage controller or physical XMS and launch the customer GUI or CLI

D. Connect to a storage controller or physical XMS to configure the InfiniBand management interfaces

Which state should a properly configured XtremIO cluster display when issuing the show- clusters-info command?

A. Active, connected

B. Active, active

C. Healthy, locked

D. Healthy, connected

Which encryption-mode parameter indicates the XtremIO cluster is encrypted?

A. Encryption-Mode=self

B. Encryption-Mode=enable

C. Encryption-Mode=1

D. Encryption-Mode=on

Which command is used to initialize an XtremIO cluster?

A. create-cluster

B. create-x-bricks

C. modify-cluster

D. modify-storage-controllers

The XtremIO Management Server (XMS) reports that an XtremIO cluster has a compression ratio of 4.1:1 and a deduplication ratio of 1.3:1. What is the reported data reduction ratio?

A. 2.8:1

B. 3.2:1

C. 5.3:1

D. 5.4:1

What user login name should be used to launch the XMCLI shell?

A. xmsadmin

B. xmsupload

C. admin

D. tech

Why do the 10 TB and 20 TB XtremIO X-Bricks have a different logical:physical capacity ratio?

A. Storage Controllers on 20 TB X-Bricks keep more SSD metadata in memory

B. Storage Controllers on 20 TB X-Bricks have a more efficient deduplication algorithm

C. 400 GB SSDs do not support inline compression

D. 800 GB SSDs do not support inline compression

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

A. Small IO (< 4 kB), VAAI TP

B. Small IO (< 4 kB), VAAI SR

C. Small IO (< 8 kB), VAAI TP

D. Small IO (< 8 kB), VAAI SR

What is the maximum volume size for an XtremIO cluster using 800 GB SSDs?

A. 48 TB

B. 70 TB

C. 128 TB

D. 256 TB

What should be configured to support XtremIO arrays on Solaris hosts?

A. SSD parameters in the /etc/system file

B. System-wide parameters in the /etc/ssd file

C. A timeout value of 150 ms for SSD operations

D. A maximum queue depth of 1024 for SSDs

Based on best practices, what is the correct 'lun-queue-depth' setting for a XtremIO array if the target port has four LUNs and the 'tgt-queue-depth' is 256?

A. 32

B. 64

C. 128

D. 256

Which three performance parameters can be monitored using the XtremIO GUI?

A. Bandwidth, IOPS, Latency

B. Bandwidth, IOPS, Utilization

C. Utilization, IOPS, Service Time

D. Latency, Bandwidth, Response Time