Updated DELL EMC E20-393 Exam Questions

dumps2022-01-19T06:36:12+08:00

DELL EMC E20-393 exam questions have been updated, which can help you test your knowledge to install, configure and manage DELL EMC Unity System. In real DELL EMC certification E20-393 exam, there are 60 questions, and you have 90 minutes to do it. The required passing score of E20-393 exam is 63. Free updated DELL EMC E20-393 exam questions are available below.

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1. A storage administrator has requested a recommendation on upgrading their VNX5600 to a comparable Unity storage array. The solution requires a maximum capacity of 3.5 PB.

To meet the administrator's requirement without over provisioning the capacity, which Unity Hybrid storage array is recommended?

Unity 300

Unity 400

Unity 500

Unity 600

2. What is the minimum VMware Hypervisor version a server must be running in order to support the deployment of a UnityVSA system?

4.0

5.0

5.5

6.0

3. Which feature is supported on a UnityVSA operating environment?

Asynchronous Replication

MCC Write Caching

Quick Start Pool Provisioning

Data at Rest Encryption

4. 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?

Enable and disable CHAP settings

Create Mutual CHAP secret

Create Global CHAP secret

Enter CHAP username and secret

5. A storage administrator is configuring a storage pool on a Unity system containing Flash disks and SAS disks.

What tier will the system assign to each of the disk types?

Flash: Extreme Performance SAS: Performance

Flash: Performance SAS: Capacity

Flash: Extreme Performance SAS: Capacity

Flash: Capacity SAS: Performance

6. What describes the LUN Snapshot Copy operation?

Parent cannot be a snapshot copy Can only copy a detached snapshot Has an independent Retention Policy from the parent

Parent can be a snapshot copy Can only copy a detached snapshot Has an independent Retention Policy from the parent

Parent can be a snapshot copy Can copy an attached or detached snapshot Inherits the parent Snapshot Retention Policy

Parent cannot be a snapshot copy Can copy an attached or detached snapshot Inherits the parent Snapshot Retention Policy

7. Which technology is used by Unity Snapshots?

Copy on First Write

Inline Deduplication

Redirect on Write

Block Compression

8. DRAG DROP

What is the correct sequence of steps taken by the storage array when an AC power failure is detected?

9. A system administrator is configuring asynchronous remote replication for an existing NAS server and its' file systems on a Unity system.

What should the administrator create to ensure all data is replicated for the NAS server and the file system?

Replication sessions on each file system only

Replication sessions for each file system first and then the NAS server

A replication session on the NAS server and then manually create replication sessions on each file system

A replication session for only the NAS server

10. Which Unity feature provides a high bandwidth connection for large file transfers, enables proactive Service Request generation and usage license reporting, and operates on a 24x7 basis?

EMC Service Center

Software Licensing Central

Unisphere Central

EMC Secure Remote Services

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11. Which software bundles are provided with the Unity Starter software package?

FAST Cache and Fast VP

Thin Provisioning and Quality of Service

Controller-Based Encryption and RecoverPoint Basic

FAST Cache and Local Point-in-Time Copies

12. When configuring asynchronous remote replication, how many internal Unity Snapshots are configured and utilized on the source system by a single replication session?

13. A storage administrator is implementing FAST Cache on a Unity 500 storage array and can select from a mix of SSD drives.

Which drive types can be configured to meet the administrator’s requirements?

200 GB and 400 GB

400GB and 1.6 TB

1.6 TB and 3.2 TB

3.2 TB and 800 GB

14. A storage administrator is required to test a new version of an application loaded on a secondary host. The administrator must use existing data contained on a LUN provisioned from Dell EMC Unity XT to a primary host.

Which solution will meet the requirement and provide space efficiency?

Create a snapshot of the LUN Configure LUN access for the secondary host Attach the snapshot to the secondary host

Create a snapshot of the LUN Configure snapshot access to the LUN for the secondary host Attach the snapshot to the secondary host

Create a Synchronous Replication session for the LUN Configure access to the replica LUN for the secondary host Attach the secondary host

Create an Asynchronous Replication on session for the LUN Configure access to the replica LUN for the secondary host Attach the secondary host

15. On which systems is Quality of Service available?

Physical Unity systems only

UnityVSA systems only

Physical Unity and UnityVSA systems

All Flash Unity systems only

16. When deploying virtual disks for a UnityVSA system, what is an EMC recommended Disk Provision Policy?

Thick Provision Eager Zeroed

Thin Provision

Thick Provision

Thick Provision Lazy Zeroed

17. Which Dell EMC UnityXT system user interface allows system administrators to create scripts for automating routine tasks?

Unisphere Central

UEMCLI

IPMI

Unisphere GUI

18. A system administrator has configured a system using the Initial Configuration wizard. After completing the wizard, the administrator discovers that an incorrect IP address has been assigned to the Unity system.

How can the IP address be changed?

The IP address cannot be changed once it has been configured

Through the Service interface using the ifconfig command

In the Unisphere Settings menu

The IP address can only be changed using the UEMCLI

19. Which FAST Cache operation can be performed from the Settings window?

Disable FAST Cache use on a specific pool

Pause FAST Cache use

Expand FAST Cache

Enable FAST Cache use on a specific pool

20. Which Unity service task is used to reinstall the root operating system while leaving the user’s data intact?

Restore the Management server

Reimage the Storage Processor

Restore the Management software

Reinitialize the storage system

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21. What is the maximum number of LUNs in a Consistency Group?

100

22. Which migration tool can be used to move file data a Unity storage array in both NFS and CIFS/SMB protocols?

EMC Select Datadobi

Unity Async Replication

rsync

EMCopy

23. Which step must be completed prior to performing the initial configuration of a UnityVSA system and creating the first storage pool?

Create an ESXi host profile

License the system for NFS and SMB support

Add vDisks to the storage appliance

Install license keys for thin provisioning

24. What is the minimum and maximum recovery point objectives (RPO) configurable when using Unity native asynchronous replication?

Minimum= 5 minutes Maximum= 24 hours

Minimum= 5 minutes Maximum= 48 hours

Minimum= 1 minute Maximum= 24 hours

Minimum= 1 minute Maximum= 48 hours

25. A system administrator has added a new Unity storage array to their environment. The administrator wants to migrate block data from vVNX running in their VMware environment to a UnityVSA. In addition, the administrator needs to migrate the block data from an older CLARiiON storage array to the new Unity storage array.

Which single block migration option will work for both the virtual and hardware storage devices?

SAN Copy Push

VPLEX

Host-Based LVM

RecoverPoint

26. How is encryption set for a Unity storage system?

Clicking the “Mode” checkbox on the Manage Encryption page

Selecting “Status” on the Manage Encryption page

Automatically set at the factory

First time the license is applied

27. A system administrator experienced a power failure in their environment. To which device will cache de-stage?

2 SSD on each Storage Processor

First four disks in the Disk Processor Enclosure

Cache does not need to de-stage as it is now non-volatile

Backup Battery Unit will keep the data alive in cache

28. 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?

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

29. Which task must be performed on the storage system in order to access a file system read/write snapshot?

Configure Host Access to the LUN snapshots

Configure the NFS/SMB share to the file system snapshot

Connect to the NFS/SMB share of the snapshot

Perform the snapshot “Attach to Host” operation

30. Which severity level alerts for a fault condition that has occurred, has minor impact on the system, and does not need to be fixed immediately?

Critical

Notice

Error

Warning

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31. A storage administrator wants to configure a Unity system to log system events to a remote log server. In order to allow access to the log server, which port should the administrator ensure is not blocked by the firewall?

514

714

1000

5179

32. A Unity system LUN has a daily snapshot schedule with a Retention Policy of seven days. A hardware failure results in a double fault of the LUN.

Which snapshot behavior will be experienced?

All of the snapshots will be unavailable to restore data from

Data restoration is available from the oldest snapshot, all others are unavailable

All of the snapshots will be available to restore data from

Data restoration is available from the newest snapshot, all others are unavailable

33. What describes multiple LUN snapshots?

Captures multiple point-in-time data states. Snapshot data state is marked “unmodified” from its source when attached. Snapshot tree supports multiple simultaneous attaches.

Captures multiple point-in-time data states. Snapshot data state is marked “unmodified” from its source when attached. Snapshot tree supports only one attach at a time.

Captures multiple point-in-time data states. Snapshot data state is marked “modified” from its source when attached. Snapshot tree supports multiple simultaneous attaches.

Captures multiple point-in-time data states. Snapshot data state is marked “modified” from its source when attached. Snapshot tree supports only one attach at a time.

34. What is the maximum number of LUN snapshots that are supported by Unity?

256

512

35. At which stage in the Unity power up sequence would the Storage Processor enter Service mode upon detecting an error?

After the CMI is started

Bootflash

POST

BIOS

36. 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?

CNA FC port 5

I/O module FC port 2

CNA FC port 4

I/O module FC port 5

37. Which feature provides the ability to provision block and file storage for Microsoft Windows or Microsoft SharePoint sites?

EMS Storage Integrator for Windows

Array Offloaded Data Transfer

vStorage APIs for Array Integration

EMC Virtual Storage Integrator

38. Which information must be retrieved and used to select the unconfigured UnityVSA system when running the Auto-discover option of the Connection Utility?

Array Name

System’s Serial ID

DNS Host Name

System’s UUID

39. What is an advantage of selecting Centralized ESRS over Integrated ESRS?

CloudIQ can be configured

Deploying an external virtual machine is not required

Centralized ESRS is easier to configure

Internet connectivity is not required for every Dell EMC Unity XT system

40. In UnityVSA, what is the maximum storage capacity offered by the VVOLs license?

4TB

10TB

25TB

50TB

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41. A system administrator receives a warning that their DPE I/O Module has a fault. In this situation, which type of replacement is required?

Hot-pluggable CRU

Non-Hot-pluggable FRU

Hot-pluggable FRU

Non-Hot-pluggable CRU

42. Which UnityVSA storage resource can be configured with Host I/O limits?

NAS Server

Pool

File System

LUN

43. Which option can be enabled in the Advanced tab of the SMB Share Properties window?

Shared VHDX

Controller-Based Encryption

SMB Direct

Protocol Encryption

44. Which UnityVSA configuration can be performed using the Unisphere Initial Configuration wizard?

Configure Link Aggregation

Add iSCSI network interfaces

45. A system administrator wants to configure asynchronous replication on their Unity system.

What is required before creating a replication session?

A Fibre Channel connection configured between the remote systems. A configured replication connection between the remote systems.

A Sync Replication Management Port configured on each system. A Fibre Channel connection configured between the remote systems. A configured replication connection between the remote systems.

An IP-based replication interface on the same network as the destination system’s replication interface. A configured replication connection between the remote systems.

A Sync Replication Management Port configured on each system. An IP-based replication interface on the same network as the destination system’s interface. A configured replication connection between the remote systems.

46. How long before a license expires will UnityVSA send the first alert warning?

3 days

7 days

15 days

1 month

47. What is the minimum memory requirement for a host running VMware ESXi 6.0 to support the deployment of a UnityVSA system?

8 GB

12 GB

16 GB

18 GB

48. A storage administrator wants to create a series of daily snapshots for an existing critical LUN.

How can the snapshots be created?

Snapshot schedules can only be configured within the LUN Creation wizard

From the Pool Properties page, configure the Snapshot schedule

Only manually taken snapshots are supported on existing LUNs

From the LUN Properties page, configure the Snapshot schedule

49. Which operation can be performed from the FAST VP settings section in the Unisphere Settings window?

Enable scheduled data relocation for a specific pool

Exclude pool from the data relocation schedule

Enable scheduled data relocation at the system level

View the data relocation progress between tiers

50. Through which protocols are backend storage provisioned to the ESXi host when deploying a UnityVSA system?

iSCSI, SMB, and NFS

iSCSI and NFS only

FC, iSCSI, and NFS

FC and iSCSI only

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51. Where do the D@RE encryption/decryption functions occur in the Unity storage system?

Host I/O Modules

Storage Processor Cache

SAS I/O Module

Self-encrypting drives

52. Based on the exhibit, which port can provide either Fibre Channel or Ethernet connectivity for host access?

53. A system administrator is browsing their local management station for a Unity license file.

Which file extension is used for Unity license files?

.lic

.rsa

.lin

.cer

54. A storage administrator wants to add as asynchronous replication session to a pair of Unity systems with an existing synchronous replication session that is operating correctly.

Which configuration steps are needed?

Create Replication interfaces on both systems. Modify the Replication Connection Mode. Run a Replication Connection Verify and Update operation.

Create Replication Interfaces on the source system. Modify the Mode for Replication Connection. Perform a manual Sync operation on the Asynchronous session.

Create Replication Interfaces on destination system. Establish FC connectivity using the Synchronous FC Ports of each system. Perform a manual Sync operation on the Asynchronous session.

Create Replication Interfaces on both systems. Establish FC connectivity using the Synchronous FC Ports of each system. Run a Verify and Update operation for the Replication Connection

55. Which Unity feature benefits oracle OLTP environments by improving storage utilization?

4 block formatting

Increased SP Cache size

Automatic storage tiering

VVOLS

56. A system administrator has installed the Unity Connection Utility on a Microsoft Windows host. The Windows host is connected to the same physical subnet as a newly installed Unity storage system. When the utility is run, it does not discover any Unity storage systems.

What should be checked on the host that may be preventing the utility from discovering any Unity storage systems?

Java SE version

Ethernet adapter flow control

Network Access Filter Driver

Host firewall services

57. A Unity 400 system has Data at Rest Encryption licensed and enabled.

Which operation(s) must be performed from the Unisphere Settings window to ensure the system is still operational after SP replacements?

Download Audit Log

Download Checksum

Backup Keystore File

Download Audit Log and Checksum

58. When a storage resource has a snapshot taken of it, where are writes to the storage resource written?

New space allocated from the storage resource parent pool

New space allocated in 256 MB stripes from FAST Cache

Existing space of the storage resource

Existing space from the Reserves LUN Pool

59. When the LUN Snapshot Attach to Host operation is performed, what does the Unity system optionally do before beginning the attach process?

Creates a snapshot of the LUN

Detaches the host from the snapshots of any other LUN

Creates a copy of the snapshot

Deletes all other existing snapshots of the LUN

60. Which Directory Services can be configured in the Unisphere Settings window?

LDAP

NIS

NDS

Active Directory

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61. A Unity storage system is installed with 10 Gb optical SFPs in CNA ports 4 and 5 of both Storage Processors. The storage administrator has had a request from a user to connect to the storage system through Fibre Channel.

How can the administrator reconfigure the CNA ports for 16Gb Fibre Channel SFPs?

Configure all CNA ports for 16Gb Fibre Channel

Configure CNA port 4 of SPA and SPB as 10Gb optical Configure CNA port 5 of SPA and SPB as 16 Gb Fibre Channel

Configure CNA port 4 and 5 of SPA as 10 Gb optical Configure CNA ports 4 and 5 of SPB as 16 Gb Fibre Channel

CNA ports cannot be reconfigured once they are committed

62. In UnityVSA, which license(s) is able to extend the storage capacity from 25 TB to 50 TB with an upgrade path license?

Professional only

Professional and VVOLS

VVOLS only

Community

63. When defining which resources on the destination system the replicated item will use for an asynchronous session, which settings must be provided?

Replication Mode, RPO, and Replicate To

Name, Pool, and Storage Provisioning

Ethernet Port, Subnet/Prefix Length, and Gateway

Management IP Address, User Name, and Password

64. What is one method that is used to verify an ESRS configuration?

Proxy server authentication

RSA authentication

Trigger an SNMP trap test

Send an e-mail verification

65. A file system is 1 TB in size and contains 250 GB of data. The file system is not fully allocated and only 450 GB of pool storage is in use. The user wants to reduce the file system to 300 GB.

How much space is returned to the storage pool?

150 GB

450 GB

700 GB

750 GB

66. In order to replace a faulty component, a service provider has placed one of the Unity Storage Processors into Service mode.

Once the component is replaced, how is the Storage Processor brought back into Normal mode?

Exit the Service Mode task

Reboot the Storage Processor

Reboot the storage system

Restart the Management software

67. A user is having difficulty troubleshooting a Unity storage system and the service provider has been contacted for assistance. The service provider needs to run some service commands on the Storage Processors to troubleshoot the issue further.

Which step must be taken to allow the service provider remote access to the storage system?

Enable SSH on the storage system

Set the Unisphere preferences to “Optimize” for remote access

Specify the SMTP configuration

Specify the Remote Logging configuration

68. How long will a Copy Back operation take when a hot spare is invoked?

Pro-Active hot spare does not use a Copy Back operation

Copy Back time depends on the RAID type

Copy Back time depends on the disk capacity

Copy Back time depends on the disk type

69. A storage administrator wants to configure a Unity system to join the list of arrays remotely monitored for activity and system status using Unisphere Central. The security policy on the Unisphere server was set to “automatic”.

What additional security information must be specified in the Unisphere Settings window to enable communication with Unisphere Central?

Unisphere Central IP address and login credentials

Unisphere Central IP address and Central Hash

Unisphere Central Hash and login credentials

Unisphere Central Hash and challenge phrase

70. A storage administrator has purchased a UnityVSA and asks your recommendation on how to provision the storage to their ESXi host.

Based on Dell EMC best practices, what should you recommend?

Thick Provisioned

Thick Provision Eager Zeroed

Thin Provisioned

Thin Provisioned Eager Zeroed

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71. According to Dell EMC best practices, how should off-site data be asynchronously replicated for a DR solution?

Include a Flash tier in a hybrid pool where asynchronous replication will be active on the source only.

Include a Flash tier in a hybrid pool where asynchronous replication will be active on both the source and destination.

Configure the RLP on both the source and destination arrays equal to 20% of the data to be replicated

Configure the sync replication ports on the CAN for 16Gb Fibre Channel on both the source and destination.

72. What is used by the Local LUN Move data mobility feature?

Transparent Data Transfer

SANCopy push

Inband Migration Tool

Common base Snapshots

73. A company has a Unity 300 system with 200 SAS drives. They need to increase the number of SAS drives by 300.

Which in-place upgrade is required?

Unity 400F

Unity 400

Unity 600F

Unity 500

74. What are characteristics of the LUN Snapshot Copy operation?

Parent cannot be a snapshot copy Can only copy a detached snapshot Has an independent Retention Policy from the parent

Parent can be a snapshot copy Can only copy a detached snapshot Has an independent Retention Policy from the parent

Parent can be a snapshot copy Can copy an attached or detached snapshot Inherits the parent Snapshot Retention Policy

Parent cannot be a snapshot copy Can copy an attached or detached snapshot Inherits the parent Snapshot Retention Policy

75. When can Data at Rest Encryption (D@RE) be enabled?

License is applied the first time

Management IP is assigned

LUN is created

File system is created

76. What is the sequence of steps that must be executed to implement IP Multi-tenancy in a Unity system?

Create file systems and shares for each tenant Configure host access for the tenant’s shares Add tenants to the Unity System

Associate tenants with existing NAS servers Create file systems and shares for each tenant Configure host access for the tenant’s shares

Create a NAS server for each tenant Create file systems and shares for each tenant Add tenants and associate to the NAS servers

Add tenants to the Unity system Create a NAS server for each tenant Create file systems and shares for each tenant

77. If each Storage Processor in a Unity storage array has two on-board CNA ports with a dual personality controller, which protocols are supported by these CNA ports?

Fibre Channel at 2/4/8/16 Gb/s and iSCSI at 10 Gb/s.

Fibre Channel at 4/8/16 Gb/s and iSCSI at 10 Gb/s.

Fibre Channel at 4/8/16 Gb/s and FICON at 8 Gb/s.

FCoE at 10 Gb/s and iSCSI at 10 Gb/s

78. A storage administrator is considering adding another application to run on their Unity 300 but they are concerned about the application’s performance. They ask what is considered “normal” for CPU utilization.

Based on Dell EMC best practices, what should be your response?

Below 50%

50% - 70%

70% - 90%

90% - 95%

79. Based on Dell EMC based practices, under what conditions would you consider creating multiple pools on a Unity 500?

Separate resources for multi-tenancy Create larger failure domains

Combine pools where FAST Cache is and is not active Consolidate resources for multi-tenancy

Dedicate resources to meet specific performance goals Separate resources for multi-tenancy

Combine pools where FAST Cache is and is not active Dedicate resources to meet specific performance goals

80. When a copy of a file system snapshot is created, what are the characteristics of the copy?

Read/write, shareable to clients

Read-only, accessed by clients through the CVFS mechanism

Read-only, shareable to clients

Read/write, accesses by clients through the CVFS mechanism

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81. Which operation can be performed on the General tab of the LUN Properties page?

Extend the LUN

Grant Host access

Replicate the LUN

Set Host I/O limits

82. Which Unity system configuration can be performed using the Unisphere Initial Configuration wizard?

Configure Link Aggregation

Add iSCSI network interfaces

83. Which system level alert indicates an error has occurred that has no impact on the system and should be remedied in the near future?

Error

Warning

Informational

Notice

84. What is the maximum number of file system snapshots that are supported by Unity?

256

512

Updated DELL EMC E20-393 Exam Questions

Updated DELL EMC E20-393 Exam Questions

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