E20-807 exam

A new VMAX3 array has been added to the environment. Unisphere for VMAX has discovered the array and can be used to manage the array. However, Unisphere is not able to collect any performance data for the array. What is a possible cause?A . Registration for performance data collection has...

DRAG DROP What is the correct sequence of steps when the Non-Disruptive Migration create operation is run? View AnswerAnswer: Explanation: Reference: https://www.google.com/url? sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=2ahUKEwiDxOC-8IfdAhWq­ioKHcH2DZkQFjABegQIBxAC&url=https%3A%2F%2Fdelltechnologiesworldonline.com%2F2017% 2Fconnect%2FfileDownload%2Fsession%2F80D60E17BDDA3133AED6533292546972%2Fstorage07% 2520VMAX% 2520EnsuringNonDisruptiveMigrationtoVMAXAllFlash_topost.pdf&usg=AOvVaw3UoOzA7rnU9VvZyUcA61 Sm

What is a Dell EMC recommended best practice when connecting CloudArray to a VMAX3?A . Hosts should average at least 2,500 IOPSB . Internal SRP should be usedC . Host I/O limits should be usedD . Host I/O limits should not be usedView AnswerAnswer: B

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 . SAN connectivityB . Disk delaysC . I/O queuing on the hostD . I/O queuing on the frontendView AnswerAnswer: C Explanation:...

In an SRDF/Metro environment, where is the vWitness lock service, -storwlsd, running?A . On the vWitness instanceB . On the target arrayC . On the source arrayD . On the production hostView AnswerAnswer: A Explanation: Reference: https://www.emc.com/collateral/technical-documentation/h14556-vmax3-srdf-metro-overview­and-best-practices-tech-note.pdf?isKoreaPage=false&domainUrlForCanonical=https%3A%2F% 2Fwww.emc.com (15)

SRDF/A MSC has been configured between two sites. There are two VMAX3 arrays at the source site and two VMAX3 arrays at the target site. An SRDF/A MSC trip event has occurred. What happens if the Receive Delta Set on one of the target arrays is incomplete?A . Partial Receive...

Based on business requirements, Concurrent SRDF/Star has been implemented with host infrastructure at the Workload and Asynchronous sites. A disaster fault has occurred. Star query shows: Which site should the workload be moved to and which site’s data should be kept? A . Switch to the Synchronous site Keep the...

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 5B . Director 1 port 4, Director 1 port...

What is the effective queue depth of a device mapped to a host with eight paths on a VMAX3 array?A . 64B . 128C . 256D . 512View AnswerAnswer: B