EMC E20-001 Online Practice Questions and Exam Preparation

EMC E20-001 Online Questions & Answers

• Question 41:

  How does communication occur between a NAS gateway and the back-end storage system?

  A. Over FC-SAN
  B. Over private LAN
  C. Over iFCP
  D. Over public LAN
  A. Over FC-SAN

• Question 42:

  How can an organization reduce vulnerabilities to their environment?

  A. By minimizing attack surface and maximizing work factor
  B. By maximizing attack surface and minimizing work factor
  C. By minimizing both attack surface and work factor
  D. By maximizing both attack surface and work factor
  A. By minimizing attack surface and maximizing work factor

• Question 43:

  Which remote replication solution has the highest bandwidth requirements?

  A. Array-based synchronous
  B. Array-based asynchronous
  C. Host-based asynchronous LVM Mirroring
  D. Log shipping over IP networks
  A. Array-based synchronous

• Question 44:

  When is it necessary to hold application I/O to ensure a consistent copy?

  A. Just before creating a point in time replica
  B. Only when an application spans multiple storage arrays
  C. Just after creating a point in time replica
  D. Only when an application spans multiple hosts
  A. Just before creating a point in time replica

• Question 45:

  A finance department wants to secure its data while this data traverses over the FC SAN. Currently the SAN is also used by other departments in the organization. Which implementation would you recommend to isolate the traffic from finance department?

  A. Virtual SAN
  B. Virtual LAN
  C. Server virtualization
  D. Storage virtualization
  A. Virtual SAN

• Question 46:

  In an EMC CLARiiON array, what is the correct sequence of steps for providing storage to a host? Steps:

  A. Bind the LUN B) Create a RAID group C) Add the LUN to a storage group.
  B. B. A, B, and C
  C. C. B, C, and A
  D. D. A, C, and B
  A. Bind the LUN B) Create a RAID group C) Add the LUN to a storage group.

• Question 47:

  What is true about pointer-based virtual replication?

  A. Less storage required for the replicas
  B. Source can not hold more than 30% of the changed data
  C. Replica can not hold more than 30% of the changed data
  D. Source need not be healthy for restore
  A. Less storage required for the replicas

• Question 48:

  What is a primary concern when using Internal DAS?

  A. Bandwidth restrictions
  B. Single points of failure
  C. Limited disk device support
  D. Limited interconnect options
  B. Single points of failure

• Question 49:

  Which RSA security product is most appropriate for cross-domain, single sign-on among multiple enterprises?

  A. RSA Federated Identity Manager
  B. RSA Access Manager
  C. RSA Sign-On Manager
  D. RSA Key Manager
  A. RSA Federated Identity Manager

• Question 50:

  If a disk drive's rotational speed is 100 revolutions per minute, what is its average rotational latency?

  A. 0.3sec
  B. 0.5sec
  C. 3 ms
  D. 5 ms
  A. 0.3sec