EMC E20-393 Exam Questions Free Practice Test

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Questions # 21:

A storage administrator performs a monthly performance analysis of a Dell EMC Unity XT storage array using CloudIQ insight reports. Three LUNs are set with a Host IO Limits policy. The administrator discovers that the throughput IOPS on one LUN (Test_LUN) has increased by 1000 IOPS compared to the two previous months.

What is a possible root cause of the spike in IOPS?

Options:

Test_LUN was expanded by 100 GB and a Density-based Host IO limit policy was set for all three LUNs

Test_LUN was expanded by 100 GB and a Density-based Host IO limit policy was set only for Test_LUN

Host IO limit of Test_LUN was edited and the limit was increased by 1000 IOPS

Another Absolute Host IO limit policy with additional 1000 IOPS was set on Test_LUN

Expert Solution

Questions # 22:

An administrator wants to migrate an FLR-enabled file system with DHSM-enabled from a Dell EMC VNX array to a new Dell EMC Unity XT array.

What method should they use?

Options:

IP Replicator to replicate the file system

Dell EMC Unity File Import feature

IP Replicator V2 to replicate the file system

CTA with Unity XT FLR-enabled FS as a tiering destination

Expert Solution

Questions # 23:

Where can Unity Compression be enabled?

Options:

All-Flash systems only

All-Flash and 3-tier pools

All-Flash pools only

Thick LUNs only

Expert Solution

Questions # 24:

A service provider is installing a Unity storage system for an end-user. The end-user is concerned about network security and will not allow the service provider access to the network.

How can the service provider set a static IP address for the Unity storage system management interface?

Options:

Use the embedded InitCLI tool

Connect directly to the service ports and configure the networking through UEMCLI

Use an IPMI serial over LAN connection

Use the Connection Utility to create a configuration file

Expert Solution

Questions # 25:

An administrator’s Unity system is configured with both a Fibre Channel CNA and a Fibre Channel I/O module. Which Fibre Channel port on each SP must be used for native synchronous replication?

Options:

CNA FC port 5

I/O module FC port 2

CNA FC port 4

I/O module FC port 5

Expert Solution

Questions # 26:

What pathing options are supported by Dell EMC Unity XT systems to provide a host with Fibre Channel access to block storage?

Options:

Single Path, Multipath, and Alternate Path

Single Path and Multipath only

Multipath only

Single Path only

Expert Solution

Questions # 27:

Fibre Channel access from a server to the Storage Processor can use what pathing options?

Options:

Single Path, Multipath, and Alternate path

Single path and Multipath only

Single Path and Alternate path only

Multipath only

Expert Solution

Questions # 28:

A storage administrator is creating a host profile in Unisphere to provide host access to block storage resources using the iSCSI protocol. The host initiators were not automatically discovered and must be manually added.

In addition to the SAN host IQN, what other configuration can be performed through the "Create iSCSI Initiator Wizard" window?

Options:

Enable and disable CHAP settings

Create Mutual CHAP secret

Create Global CHAP secret

Enter CHAP username and secret

Expert Solution

Questions # 29:

A storage administrator is tasked with creating a DR solution for block and file storage resources. The company has multiple regional and international sites containing a mix of physical and virtual Dell EMC Unity systems.

What are considerations for the storage administrator in creating the DR solution?

Options:

Synchronous remote replication should be restricted to within 100 km between sites to keep latency below 10 msBlock storage resources can be replicated synchronously and asynchronously

Asynchronous replication ensures zero data loss the remote replica in disaster conditionsBlock storage resources can be replicated synchronously and asynchronously

Asynchronous replication over long-distance does not impact latencyAsynchronous replication ensures zero data loss to the remote replica in disaster conditions

Synchronous remote replication should be restricted to within 100 km between sites to keep latency below 10 msFile and block storage resources can be replicated synchronously and asynchronously

Expert Solution

Questions # 30:

When can a file system be defined as thin or thick?

Options:

Only when creating the file system

Any time after the file system has been created

Only when adding host access to the file system

Only when enabling data reduction on the file system

Expert Solution

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