DELL EMC E20-807 Expert – VMAX All Flash and VMAX3 Solutions Exam Online Training
DELL EMC E20-807 Online Training
The questions for E20-807 were last updated at Apr 23,2025.
- Exam Code: E20-807
- Exam Name: Expert – VMAX All Flash and VMAX3 Solutions Exam
- Certification Provider: DELL EMC
- Latest update: Apr 23,2025
What is the effective queue depth of a device mapped to a host with eight paths on a VMAX3 array?
- A . 64
- B . 128
- C . 256
- D . 512
Which RDF mode is active during the Non-Disruptive Migration Cutover Ready state?
- A . Asynchronous
- B . Pass-through
- C . Adaptive Copy
- D . Synchronous
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 connectivity
- B . Disk delays
- C . I/O queuing on the host
- D . I/O queuing on the frontend
DRAG DROP
What is the correct sequence of steps when the Non-Disruptive Migration create operation is run?
On a VMAX3 array, under which type of workload will Selective Cache Mirroring provide significant performance optimization?
- A . Large block Write Miss I/Os
- B . Small block Write Hit I/Os
- C . Large block Read Miss I/Os
- D . Large block Read Hit I/Os
A VMAX3 array has been configured to use TimeFinder SnapVX. A snapshot is taken of a LUN that currently resides on a 10k drive.
Which mechanism will SnapVX use when there is a write to a linked target volume?
- A . COFW
- B . ROW
- C . ACORW
- D . COW
Which feature does the embedded eDPM server support on a VMAX3?
- A . eNAS
- B . FAST.X
- C . D@RE
- D . ESRS
A company is using a local VMAX3 for production and another VMAX3 on a remote location for disaster recovery purposes that is 5000 kilometers away.
Which SRDF mode supports an RPO of 2 seconds?
- A . SRDF/S
- B . SRDF/A
- C . SRDF.DM
- D . SRDF/A MSC
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 Cunique Cpassphrasewas run using a different passphrase
- C . Host is not in the eMgmt Access Group
- D . Host network interface card was replaced
Based on the exhibit, which user(s) can enable/disable symauth?
- A . Bob and Frank
- B . Jackie, Jenn, and Jill
- C . Beth
- D . Bob, Frank, and Beth
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