EMC E20-001 Online Practice Questions and Exam Preparation

EMC E20-001 Online Questions & Answers

• Question 291:

  Which remote replication solution has the lowest bandwidth requirement?

  A. Log shipping
  B. Array-based synchronous replication
  C. Three-site replication
  D. LVM-based synchronous mirroring
  A. Log shipping

• Question 292:

  Which feature assures that the stored content has not been altered in the CAS system?

  A. Content authenticity
  B. Content integrity
  C. Content Security
  D. Single instance storage
  B. Content integrity

• Question 293:

  Which type of front-end port is found on an intelligent storage system used in a SAN?

  A. EIDE
  B. FC
  C. SCSI
  D. ATA
  B. FC

• Question 294:

  What is a SAN availability management task?

  A. Configuring redundant fabrics
  B. Replicating logical volumes
  C. LUN masking
  D. Monitoring port status
  A. Configuring redundant fabrics

• Question 295:

  What relationship does Little's Law represent? a = arrival rate R = average response time Rs = service time N = total number of requests in the queue

  A. a = N / R
  B. N = R / a
  C. N = a / R
  D. a = Rs/ N
  A. a = N / R

• Question 296:

  Consider a disk I/O system in which an I/O request arrives at a rate of 100 IOPS and the service time is 4 ms. What is the utilization?

  A. 40%
  B. 10%
  C. 80%
  D. 4%
  A. 40%

• Question 297:

  By spoofing the identity of a remote storage site, which two security objectives can be violated?

  A. Confidentiality and authenticity
  B. Availability and integrity
  C. Confidentiality and integrity
  D. Confidentiality and availability
  C. Confidentiality and integrity

• Question 298:

  Which protection strategy can be applied to the security zone containing switches and routers?

  A. Use two factor authentications for network access
  B. Implementing secured remote access
  C. Masking based on source FCID
  D. Using E_port authentication
  D. Using E_port authentication

• Question 299:

  An EMC Celerra system is serving NAS clients over two Data Movers. If a Control Station fails, how will data access be impacted?

  A. Temporary loss of data access since both Data Movers must reboot
  B. Temporary loss of data access until the Control Station is repaired
  C. Total loss of data access until the Control Station is repaired
  D. No impact on data access
  D. No impact on data access

• Question 300:

  What do "in-band" and "out-of-band" refer to in terms of virtualization?

  A. At which layer virtualization is implemented
  B. How bandwidth requirements for virtualization are determined
  C. What type of virtualization is created
  D. How virtualization is implemented
  D. How virtualization is implemented