E20-807 Online Practice Questions and Answers

What is requirement when setting up a Composite Group (CG) for SRDF/Star in an open systems environment?

A. Composite Group is created with the Star Build CG action

B. Composite Group is created with the type set to ANY

C. Recovery group assignments should match the recovery groups defined in the Star Options file

D. Names assigned to RDF groups match the site names in the Star Options file

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 externally provisioning the LUNs

B. By incorporating the LUNs

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

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

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

A. Asynchronous

B. Pass-through

C. Adaptive Copy

D. Synchronous

Which role does the Unisphere for VMAX initial setup user have after the creation of a new user with the "Admin" role?

A. SecurityAdmin

B. None

C. Admin

D. Auditor

What is a characteristic of sequential read I/Os on a VMAX3 array?

A. Prefetch task will stop when sequential I/O stops

B. Higher priority than the host I/O

C. DA will start the prefetch task

D. tracks are red into cache by the frontend director

When FAST.X is used to access five VNX arrays from a single VMAX3, what is the minimum number of DX ports required?

A. 4

B. 10

C. 20

D. 40

A host is currently using ports 1d4 and 4d4 in a two-engine VMAX3 and additional LUNs are required for the current host. Current total LUN count for ports 1d4 and 4d4 are 4096 each.

Which ports will follow best practices for increasing LUN count for the application?

A. 1d4 and 4d4

B. 1d4 and 4d5

C. 1d5 and 4d4

D. 1d5 and 4d5

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

On a VMAX3 array, when will the backend director give equal priority to read miss and destage operations?

A. At 5% of the System Write Pending Limit

B. At 50% of the System Write Pending Limit

C. At 75% of the configured cache in the array

D. At 75% of the SRDF/A cache usage

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

A. Non-ALUA Controllers are not supported

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

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

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