E20-547 Online Practice Questions and Answers

Which criterion must be met before executing the storagepool destroy command with Navisphere Secure CLI?

A. Complete removal of all LUNs from the pool

B. Complete removal of unused LUNs from the pool

C. Complete removal of large LUNs from the pool

D. Complete removal of empty LUNs from the pool

What occurs after data compression of a RAID-group LUN?

A. Source LUN is unbound from the RAID-group.

B. The LUN is defragmented.

C. Freed space is returned to the storage pool.

D. Host I/O is restarted

What is the correct VNX Block based VAAI operation?

A. Array Accelerated Full Copy

B. Array Accelerated Bulk copy

C. Thick Lun Provisioning

D. Pause and Resume

In a VNX Unified system, how can the lost+found and etc directories be hidden from the client when exporting a file system?

A. Export the file system at the subdirectory level and not the root file system

B. Use FDISK to mark the partition active prior to exporting

C. Leave the Root Hosts section empty when exporting

D. Select the Host Access Read-only check box prior to exporting.

A Linux host has been set up and successfully connected to the VNX array, but the local administrator cannot issue CLI commands. What is a possible explanation of this behavior?

A. The local administrator was not added to the host agent configuration file

B. The host is only connected to one SP on the VNX array.

C. The host agent must be stopped for the utility to work.

D. Linux iSCSI CHAP data was entered on the target, but not the initiators.

What occurs after data compression of a storage pool LUN?

A. Freed space is returned to the storage pool.

B. The LUN is defragmented.

C. Source LUN is unbound from RAID-group.

D. Host I/O is restarted.

When moving a VDM to a different Data Mover, what is one requirement of the target Data Mover?

A. Network interface names used on the source must be the same on the target.

B. The VDM must be loaded on the Source.

C. A CIFS server with the same name must exist on the Target.

D. The target Data Mover must be configured as a Standby.

In a VNX series array, how does FAST manage data in a heterogeneous storage pool?

A. It relocates more active data to faster drives and less active data to slower drives.

B. It relocates more active data from tier 1 storage without users noticing the difference.

C. It acts as an application accelerator and relocates LUNs based on performance.

D. It relocates LUNs from one tier to another to improve performance.

What is the default user mapping method available to a VNX?

A. Usermapper

B. Microsoft SFU

C. VNX UNIX User Management

D. Local Files

What is a valid characteristic of a concatenated metaLUN?

Concatenated metaLUNs:

A. can be different RAID types and sizes.

B. can mix thick and thin LUNs.

C. cannot be expanded once created.

D. always have a uniform performance profile.