Dell E20-545 Free Practice Exam & Test Training

Question 1

What is a best fit workload recommendation when using Flash drives in a VNX File environment?

A. Virtual Desktop Infrastructure
B. Backup-to-disk
C. Data Archiving
D. Web Server

Answer : B

Question 2

What is the best way to set up a FAST VP pool on a VNX Block system running VNX OE for Block (v31)?

A. Five Flash disks in RAID 5 (4+1); five SAS disks in RAID 5 (4+1); six NL-SAS disks in RAID 6 (4+2).
B. Five Flash disks in RAID 5 (4+1); six SAS disks in RAID 6 (4+2); six NL-SAS disks in RAID 6 (4+2).
C. Five Flash disks in RAID 5 (4+1); five SAS disks in RAID 5 (4+1); eight NL-SAS disks in RAID 6 (6+2).
D. Five Flash disks in RAID 5 (4+1); five SAS disks in RAID 5 (4+1); five NL-SAS disks in RAID 5 (4+1).

Answer : D

Question 3

A customer would like to create multiple striped metaLUNs. What EMC best practice do you recommend?

A. Rotate the base LUN of the metaLUNs, so the first components are not in the same RAID group.
B. Change the element size to 64 times the number of existing spindles to ensure proper distribution of I/O.
C. Align each component at the host or array level before creating the metaLUN.
D. Locate multiple components of the metaLUN in the same RAID group to maximize disk utilization.

Answer : A

Question 4

A customer wants advice on how to provision storage for a performance-intensive OLTP application. It has a 3:1 R/W ratio and a maximum 8 KB block size.
What advice do you give them?

A. Use 300 GB 15K disks
B. Use NL-SAS disks
C. Use 300 GB 10K disks
D. Use Flash Drives

Answer : D

Question 5

What are the available Usermapper roles?

A. Primary, secondary, and client
B. Primary, local, and remote
C. Local, remote, and client
D. Active, passive, and standby