E20-807試験無料問題集（75題）「EMC Expert - VMAX All Flash and VMAX3 認定」

出題：1

Performance analysis on VMAX3 FE ports have shown that a large number of QFULL responses were returned to their best performing hosts. However, other hosts suffered from high response times.
What needs to be configured in order to lower the high response times?

A. Decrease the queue depth of the poor performing hosts

B. Increase the queue depth for all hosts

C. Set similar queue depths for all hosts

D. Increase the queue depth of the best performing hosts

正解：A 解答を投票する

出題：2

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

A. Asynchronous

B. Adaptive Copy

C. Synchronous

D. Pass-through

正解：D 解答を投票する

出題：3

With a response time of 2 ms, the utilization is at 50%. Based on Little's Law, what is the new service time if the utilization increases to 80%?

A. 4 ms

B. 2 ms

C. 5 ms

D. 1ms

正解：C 解答を投票する

出題：4

While analyzing performance of a VMAX3 array, the following details are observed?
* High host response time
* Low FE response time
* High host CPU utilization
What should be investigated further?

A. Disk delays

B. I/O queuing on the host

C. I/O queuing on the frontend

D. SAN connectivity

正解：B 解答を投票する

出題：5

FAST.X needs to be configured on a VMAX3 array to access LUNs on an XtremIO X-Brick. In addition, existing data on the LUNs has to be preserved and made available for host access.
How can this be accomplished?

A. By incorporating the LUNs

B. By zoning the host HBAs to the VMAX3 array DX ports

C. By zoning the host HBAs to the VMAX3 array FE ports

D. By externally provisioning the LUNs

正解：A 解答を投票する

出題：6

Which special considerations are required for non-ALUA arrays and FAST.X?

A. Remote Controllers can only be connected to a single port on the VMAX3 array

B. Remote Controllers must be zoned to ports on different directors

C. Non-ALUA Controllers are not supported

D. Remote Controllers must be zoned to ports on a single director

正解：A 解答を投票する

出題：7

What is the correct sequence of steps when the Non-Disruptive Migration create operation is run?

正解：

Explanation

References:

出題：8

On a VMAX3 array, which SYMACL security concept controls a list of hosts with unique IDs?

A. Access Control Groups

B. Access Control List

C. Access Control Entries

D. Access Pools

正解：A 解答を投票する

E20-807試験無料問題集「EMC Expert - VMAX All Flash and VMAX3 認定」