EMC EMC Certifications E20-507 Questions & Answers

• Question 21:

  What is a benefit of Multi-Cycle Mode of operation for SRDF/A?

  A. SRDF link will experience longer periods of inactivity allowing for shared use of the link

  B. Data that is sent across the link to the R2 side will be smaller in size and not overwhelm the link

  C. Enhanced parallel processing will result in more efficient core utilization

  D. Delta Set Extension is disabled for this mode of operation

  Correct Answer: B

• Question 22:

  What is the minimum cycle time that can be set for SRDF/A Multi-Session Consistency?

  A. 1 second

  B. 3 seconds

  C. 5 seconds

  D. 15 seconds

  Correct Answer: A

  Reference https://www.slideshare.net/DanielGarfado/emc-srdf (33)

• Question 23:

  What is the default port number to access the EMC vApp Manager for Solutions Enabler?

  A. 2707

  B. 5480

  C. 8080

  D. 8443

  Correct Answer: B

• Question 24:

  On a VMAX3 array, what is default Dynamic I/O distribution mode setting when a Storage Group is associated with Host I/O Limits?

  A. Balanced

  B. Never

  C. Always

  D. OnFailure

  Correct Answer: B

  Reference: https://community.emc.com/thread/188068?start=0andtstart=0

• Question 25:

  Which Unisphere for VMAX view shows the Storage Resource Pool Demand Report and has links to other Demand Reports?

  A. Storage>Storage Resource Pools

  B. Storage>Storage Groups Dashboard

  C. Performance>Monitor>Dashboards

  D. Storage>Service Levels

  Correct Answer: B

• Question 26:

  A TimeFinder SnapVX snapshot of a Storage Group was created with a time-to-live setting of seven days. Fourteen days after snapshot creation, a query shows that the snapshot still exists. What is a possible reason?

  A. Reserved Capacity limit was exceeded

  B. Snapshot was not manually terminated

  C. Snapshot was created in NoCopy mode

  D. Snapshot has one or more linked targets

  Correct Answer: D

• Question 27:

  When setting the TimeFinder SnapVX time-to-live with the symsnapvx command and parameter 璬elta 24, what does the 璬elta parameter specify?

  A. Minutes

  B. Days

  C. Hours

  D. Weeks

  Correct Answer: B

  Reference https://ireland.emc.com/collateral/TechnicalDocument/docu68926.pdf (Page 18)

• Question 28:

  Which feature is included with VMAX All Flash F package?

  A. SRDF/Metro

  B. Non-Disruptive Migration (NDM)

  C. SRDF/S

  D. Data at Rest Encryption (D@RE)

  Correct Answer: B

  Reference https://www.emc.com/collateral/data-sheet/h15228-vmax-af-software-ds.pdf

• Question 29:

  What is the basis for the allocation of new extents from a Storage Resource Pool (SRP) in a VMAX3 array?

  A. Data Pool RAID types and default Service Level

  B. Data Pool RAID types and SRP capacity

  C. Data Pool Ranking and Service Level

  D. Data Pool Ranking and SRP capacity

  Correct Answer: C

• Question 30:

  Data is written on a source track and the original data needs to be preserved for a snapshot. Which technology does TimeFinder SnapVX use to prevent a new write from being demoted to a lower tier?

  A. Redirect-on-write

  B. Copy-on-write

  C. Copy mode

  D. NoCopy mode

  Correct Answer: A

  Reference https://www.google.com/url?sa=tandrct=jandq=andesrc=sandsource=webandcd=1andcad=rjaanduact=8andved=0ahUKEwjtwPmqw4jVAhVDNI8KHWAdCc8QFggnMAAandurl=https%3A%2F%2Flearningcontent.emc.com%2Fgatekeepercontent% 2Fcninv000000000126123%2Fpresentation_content%2Fexternal_files%2FVMAX%2520All%2520Flash%2520and%2520VMAX3%2520Local%2520Replication%2520Fundamentals_srg.pdfandusg=AFQjCNHdxfEn-dqgkk5OCnYFBnPj6V-ylA (page 18)