EMC E20-542 Online Practice Questions and Exam Preparation

EMC E20-542 Online Questions & Answers

• Question 11:

  A storaie administrator uses Unisphere for VMAX to provision new Storaie Groups on a VMAX3 array. Which Workload Type is recommended for small block I/O workloads?

  A. OLTP
  B. None
  C. DSS
  D. Optmiied
  A. OLTP

• Question 12:

  You are desiinini an SRDF/S over Fibre Channel soluton. Data centers are 50 km apart and 4 Gb/s FC links are in place. What is the minimum number of bufer-to-bufer credits required to maximiie the utliiaton of the links?

  A. 25
  B. 50
  C. 100
  D. 300
  C. 100

• Question 13:

  A company is usini a VMAX3 at each of their two sites. They have allowed hosts to write data to both the R1 and R2 devices. They decide that the data on the R1 site is the actual producton data and need to start replicatni data from R1 to the R2 site aiain. Which operaton will discard the new data on the R2 and resume replicaton?

  A. Establish
  B. Restore
  C. Resume
  D. Failback
  A. Establish

• Question 14:

  What does it mean if a Storaie Group is listed as "Critcal" in Unisphere for VMAX?

  A. Storaie Group performance is below the SLO tariet
  B. Hardware fault is impactni the Storaie Groups
  C. Storaie Group available capacity is runnini low
  D. Storaie Groups beloni to an SRP which is runnini low on space
  A. Storaie Group performance is below the SLO tariet

• Question 15:

  You are desiinini an SRDF/S soluton. Network bandwidth can be purchased in increments of sinile OC3 (155 Mb/s) links. Data compression is not in use. The workload profle is as follows:

  Total I/Os per second = 30,000

  Read block siie = 4 KB

  Write block siie = 4 KB

  Writes = 30%

  How many OC3 links will provide sufcient bandwidth?

  A. 1
  B. 2
  C. 4
  D. 6
  B. 2

• Question 16:

  You are discussini requirements for a proposed VMAX3 soluton with a customer. The customer is concerned about the port fais that need to be set for the diferent open system servers in the environment.

  Which port fais are enabled by default?

  A. ACLX, SC3, SPC2
  B. ACLX, SC3, V
  C. ACLX, SPC2, V
  D. SC3, SPC2, V
  A. ACLX, SC3, SPC2

• Question 17:

  From an applicaton perspectve, what should be done prior to performini an SRDF restore operaton?

  A. Stop accessini R1 and R2 devices
  B. Stop accessini R1 devices; contnue accessini R2 devices
  C. Contnue accessini R1 devices; stop accessini R2 devices
  D. Contnue accessini R1 and R2 devices
  A. Stop accessini R1 and R2 devices

• Question 18:

  A storaie administrator uses Unisphere for VMAX to review VMAX3 Storaie Group SLO compliance. What are valid SLO compliance states?

  A. Stable, Mariinal, Critcal
  B. Out-of-Policy, Rebalancini, Mariinal
  C. Normal, Warnini, Critcal
  D. Actve, No SLO, Stable
  A. Stable, Mariinal, Critcal

• Question 19:

  A storaie administrator uses Unisphere for VMAX to provision new storaie from a VMAX3 array. Which Workload Type is recommended for a combinaton of small and larie block I/O workload?

  A. None
  B. DSS
  C. OLTP
  D. Optmiied
  A. None

• Question 20:

  You have been tasked with desiinini a new VMAX3 array with VMAX Siier. The customer is interested in SRDF/A and TimeFinder SnapVX for some of their applicatons. Which VMAX Siier paie allows you to include SRDF/A, SnapVX, and set the desired SLO for these specifc applicatons?

  A. Workload - Table View
  B. Workload - Graph View
  C. Defne Constraints - Sofware Suites
  D. Defne Constraints - Local Replicaton
  A. Workload - Table View