Get up-to-date Real Exam Questions for E20-393 UPDATED [2023]
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EMC E20-393 certification exam covers a range of topics, including Unity system architecture, installation and configuration, data protection and management, performance optimization, and troubleshooting. Candidates are expected to have an understanding of the underlying technologies used in Dell EMC Unity storage, such as block and file protocols, data reduction techniques, and storage tiering. With the increasing demand for storage solutions in today's digital world, the EMC E20-393 certification is an essential qualification for IT professionals who wish to advance their careers in storage administration and management.
NEW QUESTION # 203
Which information must be retrieved and used to select the unconfigured UnityVSA system when running the Auto-discover option of the Connection Utility?
- A. DNS Host Name
- B. System's Serial ID
- C. Array Name
- D. System's UUID
Answer: B
Explanation:
Note: The Connection Utility can be use the Auto Discover option to discover the system and configure the system name, IPv4 management settings, and/or IPv6 management settings.
References:
https://www.emc.com/collateral/TechnicalDocument/docu69316.pdf
NEW QUESTION # 204
Which component is required for compression to work?
- A. FAST Cache
- B. FAST VP
- C. PFDC
- D. Thick LUN
Answer: D
Explanation:
Explanation
References: https://www.emc.com/collateral/white-papers/h15571-dell-emc-unity-compression.pdf
NEW QUESTION # 205
What are the available file system states within an FLR-enabled file system?
- A. Append-only, Locked, and Protected
- B. Protected, Not-Locked, Expired, and Protected
- C. Append, No-append, Locked, and Protected
- D. Not-Locked, Append-only, Locked, and Expired
Answer: D
NEW QUESTION # 206
What is used by the Native SANCopy Import data mobility feature?
- A. SANCopy funning on VNX
- B. SANCopy running on Unity
- C. Transparent Data Transfer
- D. Common base Snapshots
Answer: A
NEW QUESTION # 207
A storage administrator needs to shrink their FAST Cache. The current configuration consists of eight 200 GB SAS Flash 2 drives.
What is the maximum number of drives that can be removed from FAST Cache through an online shrink operation?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 208
What describes the LUN Snapshot Copy operation?
- A. Parent can be a snapshot copyCan copy an attached or detached snapshotInherits the parent Snapshot Retention Policy
- B. Parent cannot be a snapshot copyCan only copy a detached snapshotHas an independent Retention Policy from the parent
- C. Parent cannot be a snapshot copyCan copy an attached or detached snapshotInherits the parent Snapshot Retention Policy
- D. Parent can be a snapshot copyCan only copy a detached snapshotHas an independent Retention Policy from the parent
Answer: D
Explanation:
Explanation
Note: You can create copies of LUNs by cloning LUNs from the Snapshot copies in a volume. These FlexClone LUNs are readable and writable copies of the LUNs as the LUN existed when the Snapshot copy was created. Before you can clone a LUN, you must create a Snapshot copy (the backing Snapshot copy) of the LUN you want to clone.
References:
https://library.netapp.com/ecmdocs/ECMP1368845/html/GUID-E0660F7B-491B-4AA0-A1A8-22B12DC6917D
NEW QUESTION # 209
Match each integrated ESRS characteristic with its attribute.
Answer:
Explanation:
NEW QUESTION # 210
Which software bundles are provided with the Unity Starter software package?
- A. FAST Cache and Fast VP
- B. Thin Provisioning and Quality of Service
- C. FAST Cache and Local Point-in-Time Copies
- D. Controller-Based Encryption and RecoverPoint Basic
Answer: A
NEW QUESTION # 211
Which option can be enabled in the Advanced tab of the SMB Share Properties window?
- A. Protocol Encryption
- B. Shared VHDX
- C. SMB Direct
- D. Controller-Based Encryption
Answer: A
Explanation:
Explanation/Reference:
NEW QUESTION # 212
The LUN Snapshot Attach to Host operation is being performed with Read/Write Access selected.
By default, what does the Dell EMC Unity system do before beginning the attach process?
- A. Creates a Snapshot of the LUN
- B. Detaches the host from the Snapshot of any other LUN
- C. Creates a copy of the Snapshot
- D. Detaches existing attached hosts from the LUN Snapshot tree
Answer: C
NEW QUESTION # 213
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?
- A. Create Mutual CHAP secret
- B. Enter CHAP username and secret
- C. Enable and disable CHAP settings
- D. Create Global CHAP secret
Answer: B
Explanation:
A sample from a Broadcomm BIOS is provided in the figure below, illustrating the IQN assignment for the VNX iSCSI target.
References: https://www.emc.com/collateral/hardware/technical-documentation/h8229-vnx-vmware-tb.pdf (page 34)
NEW QUESTION # 214
Which step must be completed prior to performing the initial configuration of a UnityVSA system and
creating the first storage pool?
- A. License the system for NFS and SMB support
- B. Create an ESXi host profile
- C. Add vDisks to the storage appliance
- D. Install license keys for thin provisioning
Answer: C
Explanation:
Explanation
UNITY VSA STORAGE POOL CREATION
1. Under the Storage Pool Section go to Pools. Select the + to start the "Create Pool Wizard".
2. Name the Pool
3. Assign a Tier to each Virtual Disk attached to the VSA. You have Extreme, Performance and Capacity.
Etc.
References: https://samshouseblog.com/2016/06/08/unity-vsa-storage-pool-creation/
NEW QUESTION # 215
What describes the LUN Snapshot Copy operation?
- A. Parent can be a snapshot copyCan copy an attached or detached snapshotInherits the parent Snapshot Retention Policy
- B. Parent cannot be a snapshot copyCan only copy a detached snapshotHas an independent Retention Policy from the parent
- C. Parent cannot be a snapshot copyCan copy an attached or detached snapshotInherits the parent Snapshot Retention Policy
- D. Parent can be a snapshot copyCan only copy a detached snapshotHas an independent Retention Policy from the parent
Answer: D
Explanation:
Note: You can create copies of LUNs by cloning LUNs from the Snapshot copies in a volume. These FlexClone LUNs are readable and writable copies of the LUNs as the LUN existed when the Snapshot copy was created. Before you can clone a LUN, you must create a Snapshot copy (the backing Snapshot copy) of the LUN you want to clone.
References: https://library.netapp.com/ecmdocs/ECMP1368845/html/GUID-E0660F7B-491B-4AA0-A1A8-22B12DC6917D.html
NEW QUESTION # 216
What is a consideration when implementing a Thin Clone on a Dell EMC Unity array?
- A. Thin Clone can be created directly from the base LUN
- B. Thin Clone is only supported on physical Dell EMC Unity systems.
- C. Thin Clone can be expanded independently from the base LUN
- D. Data Reduction can be enabled independently on source LUN and on Thin Clone
Answer: B
NEW QUESTION # 217
When deploying virtual disks for a UnityVSA system, what is an EMC recommended Disk Provision Policy?
- A. Thin Provision
- B. Thick Provision
- C. Thick Provision Eager Zeroed
- D. Thick Provision Lazy Zeroed
Answer: C
Explanation:
Explanation/Reference:
EMC recommends the following settings for all virtual disks:
* Disk Provisioning: Thick Provision Eager Zeroed.
* Location: A different datastore than the VM.
NEW QUESTION # 218
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?
- A. Java SE version
- B. Host firewall services
- C. Network Access Filter Driver
- D. Ethernet adapter flow control
Answer: A
Explanation:
Explanation/Reference:
Unity Connection is dependent on Java for some of the components to work.
Incorrect Answers:
B: Ethernet flow control is a mechanism for temporarily stopping the transmission of data on Ethernet
family computer networks.
D: As the traffic is within the same physical subnet a firewall would have no effect.
References: https://www.cisco.com/c/en/us/support/docs/unified-communications/unity-
connection/117497-probsol-unity-00.html
NEW QUESTION # 219
A user is setting up Dell EMC Unity network ports for connectivity between the NAS clients and NAS
Servers. In Unisphere, what can a user modify under the Access section of the Settings configuration window?
- A. Speed and port aggregation only
- B. Speed, MTU, and name of port
- C. Speed, MTU, and port aggregation
- D. Speed and MTU only
Answer: B
Explanation:
Explanation
Reference
https://www.dellemc.com/en-us/documentation/unity-family/unity-p-cli-user-guide/03-unity-cli-br-configure-net
NEW QUESTION # 220
When defining which resources on the destination system the replicated item will use for an asynchronous session, which settings must be provided?
- A. Name, Pool, and Storage Provisioning
- B. Replication Mode, RPO, and Replicate To
- C. Management IP Address, User Name, and Password
- D. Ethernet Port, Subnet/Prefix Length, and Gateway
Answer: A
Explanation:
Create a replication session
Ensure that you have first created relevant replication interfaces and connections, and then you need the name, pool, storage provisioning, and tiering policy you want to use for the destination storage resource. The system will automatically created a destination storage resource as part of this process.
References: https://www.emc.com/dam/uwaem/documentation/unity-p-replication-config.pdf (page 23)
NEW QUESTION # 221
What is the maximum number of LUN snapshots that aresupported by Unity?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 222
What is a use case for Thin Clones?
- A. Offline backup
- B. Data archiving
- C. Development and testing
- D. Primary production
Answer: C
NEW QUESTION # 223
Observing the SPE Fault LED during initial power up, what colors and time duration does the SPE use to indicate that it is ready for initialization?
- A. Amber for 1 second, then green for 2 seconds
- B. Amber for 3 seconds, then blue for 1 second
- C. Blue for 1 second, then green for 3 seconds
- D. Amber for 1 second, then blue for 3 seconds
Answer: B
Explanation:
https://community.emc.com/docs/DOC-65589
NEW QUESTION # 224
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?
- A. Unity 500
- B. Unity 400F
- C. Unity 600F
- D. Unity 400
Answer: A
Explanation:
Explanation
References:
https://www.emc.com/collateral/data-sheet/h14958-unity-hybrid-family-ss.pdf?isKoreaPage=false&domainUrlF
NEW QUESTION # 225
A company with multiple remote offices has decided to use asynchronous replication. What systems support this capability?
- A. Dell EMC Unity XT only
- B. Dell EMC Unity XT and Dell EMC UnityVSA
- C. Dell EMC UnityVSA only
- D. Dell EMC UnityVSA and VNXe
Answer: B
NEW QUESTION # 226
The preferred production interface is active. What does the Dell EMC Unity XT system do once a NAS Server starts outbound traffic to an external service?
- A. Uses the backup interface
- B. Uses the active production interface
- C. Enables Packet Reflect
- D. Initiates NAS Server failover
Answer: B
Explanation:
Explanation/Reference: https://www.dellemc.com/en-us/documentation/unity-family/unity-p-configure-smb-file-sharing/07- unity-smb-c-ch-configuring-ip-routes.htm
NEW QUESTION # 227
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