EMC E20-001 Online Practice Questions and Exam Preparation

EMC E20-001 Online Questions & Answers

• Question 321:

  What is a key benefit of RAID 5 compared to RAID 1+0?

  A. Improved storage space utilization
  B. Improved write performance
  C. Higher availability
  D. Quicker rebuild times after failure
  A. Improved storage space utilization

• Question 322:

  You have a SAN environment and want to introduce NAS functionality. Which NAS solution is most appropriate?

  A. Integrated NAS system with iSCSI technology
  B. Gateway NAS system solution
  C. Bridged NAS with iSCSI technology
  D. Integrated NAS system solution
  B. Gateway NAS system solution

• Question 323:

  A company has two SAN islands approximately one mile apart. The company wants to link both sites over its public WAN connection. The fabrics must remain separate but allow device access from either site. Which protocol is recommended to connect the sites?

  A. FCIP
  B. FCP
  C. iFCP
  D. iSCSI
  C. iFCP

• Question 324:

  What is a feature of Internal DAS?

  A. High CPU I/O utilization
  B. File level I/O utilization
  C. Local storage provisioning
  D. Simultaneous volume level operating system accessibility
  C. Local storage provisioning

• Question 325:

  What is an advantage of using tape over disk as the backup destination device?

  A. Faster restore time
  B. Random access
  C. RAID Protection
  D. Portability
  D. Portability

• Question 326:

  How does Asynchronous remote replication improve application performance, compared to Synchronous remote replication?

  A. Reads are serviced by the remote replica
  B. Writes are acknowledged immediately by the remote replica
  C. Writes are acknowledged immediately by the source
  D. Reads are serviced by the source
  C. Writes are acknowledged immediately by the source

• Question 327:

  Which statement describes the choice of cylinders used in a partition?

  A. Cylinders must be contiguous and may be in the same zone
  B. Cylinders must be contiguous and from different zones
  C. Cylinders must be non-contiguous if they are in the same zone
  D. Cylinders must be non-contiguous and from different zones
  A. Cylinders must be contiguous and may be in the same zone

• Question 328:

  What is the protocol used by a Windows client to communicate with a NAS device?

  A. CIFS
  B. NFS
  C. FCP
  D. SCSI
  A. CIFS

• Question 329:

  What is true about cache dirty page?

  A. Data that has changed but is not yet written to disk
  B. Data read from disk but not accessed by the host
  C. Data that has changed and has been written to disk
  D. Data requested by host but not yet fetched
  A. Data that has changed but is not yet written to disk

• Question 330:

  Which task is an example of monitoring the utilization of a data center object?

  A. Determining which device ports have the highest rates of errors
  B. Viewing a list of file systems that are nearly full
  C. Monitoring the status of processes on the host
  D. Listing the number of disks in all storage arrays
  B. Viewing a list of file systems that are nearly full