EMC E22-258 Online Practice Questions and Exam Preparation

EMC E22-258 Online Questions & Answers

• Question 41:

  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
  A. Site Preparation Guide

• Question 42:

  Which resource should be used for any installation procedures performed on an XtremIO system?

  A. SolVe
  B. EMC Powerlink
  C. EMC Community
  D. Salesforce.com
  A. SolVe

• Question 43:

  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
  A. Active, connected

• Question 44:

  How many SSDs are located in each XtremIO storage controller?

  B. 1
  C. 2
  D. 4
  C. 2

• Question 45:

  An XtremIO storage array reports an overall efficiency of 10:1. Which combination of Deduplication Ratio (DR), Compression Ratio (C), and Thin Provisioning Saving (TPS) would achieve this efficiency?

  A. DR = 2.5:1; CR = 2.0:1; TPS = 20%
  B. DR = 2.5:1; CR = 2.0:1; TPS = 50%
  C. DR = 5.0:1; CR = 1.0:1; TPS = 33%
  D. DR = 5.0:1; CR = 1.0:1; TPS = 80%
  B. DR = 2.5:1; CR = 2.0:1; TPS = 50%

• Question 46:

  Why does XtremIO thin provisioning cause no performance degradation?

  A. All metadata is kept in Storage Controller RAM
  B. All metadata is kept in Storage Controller SSDs
  C. SSDs perform metadata reads at sub-millisecond latency
  D. SSDs perform metadata writes at sub-millisecond latency
  A. All metadata is kept in Storage Controller RAM

• Question 47:

  What is a characteristic of XtremIO D@RE?

  A. Self-encrypting drives perform the encryption
  B. XtremIO Storage Controller performs the encryption
  C. Compressed data cannot be encrypted
  D. Deduplicated data cannot be encrypted
  A. Self-encrypting drives perform the encryption

• Question 48:

  A host with two HBAs is zoned to an XtremIO two X-Brick cluster through two FC switches. Which zone set meets the requirements for high availability?

  A. Switch 1: HBA0 to X1-SC1-FC1, X1-SC2-FC1, X2-SC1-FC1, X2-SC2-FC1 Switch 2: HBA1 to X1-SC1- FC2, X1-SC2-FC2, X2-SC1-FC2, X2-SC2-FC2
  B. Switch 1: HBA0 to X1-SC1-FC1, X1-SC1-FC2, X2-SC1-FC1, X2-SC1-FC2 Switch 2: HBA1 to X1-SC2- FC1, X1-SC2-FC2, X2-SC2-FC1, X2-SC2-FC2
  C. Switch 1: HBA0 to X1-SC1-FC1, X1-SC1-FC2, X2-SC2-FC1, X2-SC2-FC2 Switch 2: HBA1 to X1-SC2- FC1, X1-SC2-FC2, X2-SC1-FC1, X2-SC1-FC2
  D. Switch 1: HBA0 to X1-SC2-FC1, X1-SC2-FC2, X2-SC1-FC1, X2-SC1-FC2 Switch 2: HBA1 to X1-SC1- FC1, X1-SC1-FC2, X2-SC2-FC1, X2-SC2-FC2
  A. Switch 1: HBA0 to X1-SC1-FC1, X1-SC2-FC1, X2-SC1-FC1, X2-SC2-FC1 Switch 2: HBA1 to X1-SC1- FC2, X1-SC2-FC2, X2-SC1-FC2, X2-SC2-FC2

• Question 49:

  Which command is used to initialize an XtremIO cluster?

  A. create-cluster
  B. create-x-bricks
  C. modify-cluster
  D. modify-storage-controllers
  A. create-cluster

• Question 50:

  Which RJ45 Ethernet interface should be used to initially configure an XtremIO storage controller?

  A. RJ45 Ethernet interface 1
  B. RJ45 Ethernet interface 2
  C. RJ45 Ethernet interface 3
  D. RJ45 Ethernet interface 4
  B. RJ45 Ethernet interface 2