E20-390 Online Practice Questions and Answers

What is the maximum number of Fibre Channel initiator ports, per Linux host, supported by VNX for Block?

A. 8

B. 4

C. 16

D. 32

Which utility on a Windows server can be used to view the HBA WWN details?

A. Unisphere Host Agent

B. Unisphere Server Utility

C. HBAnywhere

D. Device Manager

Which CLI command displays the IP configuration of each Data Mover?

A. server_ifconfig

B. /sbin/ifconfig

C. server_sysconfig

D. server_devconfig

A storage administrator configured a SnapSure snapshot schedule for a heavily utilized productions file system. According to the schedule, three snapshots are to be created per hour, with the first snapshot created at one minute past the hour. After an hour, the administrator noticed that the first snapshot was not created on time. What is the cause of this issue?

A. The VNX for File has experienced a network outage

B. The VNX for File database backup has started in the background.

C. The PFS SavVol has run out of space

D. The HWM was not configured manually for Auto Extension

Which failover mode must be configured to use vStorage APIs for Array Integrate (VAAI) functionality?

A. 0

B. 1

C. 2

D. 4

What is the minimum number of administrative accounts for a Unisphere storage domain?

A. 1

B. 2

C. 3

D. 4

Which utility is used to align partitions on a Linux host?

A. diskpart

B. fsck

C. format

D. fdisk

What is the minimum size of a Clone Private LUN on a VNX array?

A. 128 MB

B. 1 GB

C. 2 GB

D. 10 GB

In addition to EFD 3.5, which drive options are supported in VNX series arrays?

A. SAS 3.5 and 2.5, SATA 2.5

B. SAS 3.5 and 2.5, NL-SAS 3.5

C. FC 3.5 and 2.5, SATA 3.5 and 2.5

D. FC 3.5 and 2.5, SATA 3.5 only

A storage administrator is preparing to provision storage for a data warehouse application. What can the administrator do to maximize application performance?

A. Use SAS drives to create a RAID 5 RAID Group with High Bandwidth Reads enabled.

B. Use EFD drives to create a RAID 5 RAID Group with High Bandwidth Reads enabled.

C. Choose 1024 block stripe element size when binding LUNs.

D. Choose 128 block stripe element size when binding LUNs.

You are configuring the reserve LUN pool on a new VNX. What LUN types can be added to the reserve LUN pool?

A. Thick pool LUNs and traditional LUNs.

B. Traditional LUNs only.

C. Thick and Thin pool LUNs.

D. All pool LUNs and traditional LUNs.

What is a characteristic of tree quotas?

A. Tree quotas cannot be set on existing directories

B. A maximum of 4096 quota trees can be set on a single file system

C. Tree quota policies are applied by default

D. Quotas are recommended on the root of a file system

A customer has asked you to test the Data Mover failover functionality. Which method is recommended to verify Data Mover failover?

A. Run the server_standby -activate command

B. Remove the primary Data Mover blade from its slot

C. Disconnect all Ethernet cables from the primary Data Mover

D. Run the server_cpu -shutdown command

What is a characteristic of VNX Snapshots?

A. Uses pool space as the primary LUN

B. Uses copy on first write

C. Supports thin and classic LUNs

D. Uses the SavVol from the primary LUN

How is ESXi CPU management related to VNX storage performance?

A. CPU contention draws cycles from iSCSI

B. CPU is stored on the VNX array

C. VNX holds CPU paging

D. CPU ballooning requires storage resources