EMC E20-807 Online Practice Questions and Exam Preparation

EMC E20-807 Online Questions & Answers

• Question 41:

  What is the starting point for a new SRDF/Metro deployment?

  A. Empty RDF group and Staging RDF group between two VMAX3 arrays SRDF pairs in a Staging group in a Suspended state
  B. RDF group between two VMAX3 arrays SRDF pairs in an Active mode and a Suspended state
  C. RDF group between two VMAX3 arrays SRDF pairs in a Suspended state
  D. Empty RDF group between two VMAX3 arrays Non-SRDF devices on both arrays
  D. Empty RDF group between two VMAX3 arrays Non-SRDF devices on both arrays

• Question 42:

  Performance analysis on a VMAX3 has shown that the current workload is 15,000 IOPS at an average response time of 13 ms. Workload will increase to 30,000 IOPS. What will be the response time expectation?

  A. 14 ms
  B. Between 13-26 ms
  C. 26 ms
  D. Greater than 26 ms
  B. Between 13-26 ms

• Question 43:

  In addition to Storage, Hosts, Performance, and Support, what other Unisphere for VMAX sections are available for selection of an individual VMAX3 array?

  A. Data Protection, Database and System
  B. Replication, Database, and System
  C. Data Protection, databases, and Applications
  D. Data Protection, System, and Applications
  A. Data Protection, Database and System

• Question 44:

  Which RDF mode is active during the Non-Disruptive Migration Cutover Ready state?

  A. Asynchronous
  B. Pass-through
  C. Adaptive Copy
  D. Synchronous
  B. Pass-through

• Question 45:

  Refer to the exhibit.

  

  Which failure scenario requires a reconfiguration of this Concurrent SRDF/Star configuration?

  A. Link failure between Sites A and C
  B. Link failure between Sited A and B
  C. Site A failure
  D. Site B failure
  D. Site B failure

• Question 46:

  Refer to the Exhibit.

  

  Which port assignments for external array connectivity satisfy high availability and best practices for a dual engine VMAX3 configuration with FAST.X?

  A. Director 1 port 4, Director 1 port 5 Director 4 port 4, Director 4 port 5
  B. Director 1 port 4, Director 1 port 9 Director 1 port 24, Director 1 port 31
  C. Director 1 port 4, Director 1 port 9 Director 2 port 4, Director 2 port 9
  D. Director 1 port 4, Director 2 port 4 Director 1 port 8, Director 4 port 24
  C. Director 1 port 4, Director 1 port 9 Director 2 port 4, Director 2 port 9

• Question 47:

  Alerts are required to track high I/O response times for a specific storage group. I/O response times greater than 15 ms require next day analysis. I/O response times greater than 20 ms require immediate intervention. Which alert settings are required?

  A. 1st level - Informational, 15 ms, e-mail 2nd level - Warning, 20 ms, Syslog
  B. 1st level - Warning, 15 ms, syslog 2nd level - Critical, 20 ms, SNMP trap
  C. 1st level - Warning, 14 ms, SNMP trap 2nd level - Critical, 19 ms, SNMP trap
  D. 1st level - Warning, 16 ms, e-mail 2nd level - Critical, 21 ms, Syslog
  A. 1st level - Informational, 15 ms, e-mail 2nd level - Warning, 20 ms, Syslog

• Question 48:

  An administrator implemented SYMACLs on a VMAX3 using hardware-based Access IDs. The administrator is not able to run SYMCLI commands against the volumes belonging to a host. The volumes were originally provisioned using the host in which the host in which the administrator experienced issues.

  What is a possible reason for this issue?

  A. SYMAPI options file was manually modified with the wrong host ID
  B. symacl –unique –passphrase was run using a different passphrase
  C. Host is not in the eMgmt Access Group
  D. Host network interface card was replaced
  B. symacl –unique –passphrase was run using a different passphrase

• Question 49:

  By default, how many days of the data are retained if Unisphere for VMAX is configured with a Root Cause Analysis Interval of 10 minutes?

  A. 15
  B. 30
  C. 45
  D. 60
  B. 30

• Question 50:

  On a VMAX3 array, for which type of workload does FlashBoost help in optimizing performance?

  A. Sequential Reads
  B. Sequential Writes
  C. Random Writes
  D. Random Reads
  D. Random Reads