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E20-393
Unity Solutions Specialist Exam for Implementation Engineers Questions and Answers

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Viewing questions 71-80 out of questions

Questions # 71:

Which protocol(s) is used to access VMware VMFS datastores from Unity?

Options:

Fibre Channel over IP

iSCSI and Fibre Channel

Fibre Channel only

iSCSI only

Answer

Explanation

References: https://www.emc.com/collateral/white-papers/h15091-dell-emc-unity-virtualization-integration.pdf

Questions # 72:

Which layer of the Dell EMC Unity storage architecture provides access to both the virtual storage pool and configured LUN resources?

Options:

Enclosure Services Interface

Common software

SCSI Enclosure Services

Communications Management interface

Answer

Explanation

References:

Questions # 73:

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

Options:

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

Answer

Explanation

Read-write snapshots can be made available to hosts as separate shares.

The Shared property is applicable to file snapshots only, and indicates whether the snapshot is currently available to clients as a

share. The default value is No, and changes to Yes when the read-write file system snapshot is used to create shares. For read-only

file system snapshots, this property is always set to No.

Share – A named, mountable instance of file-level storage, accessible through a file system or VMware NFS Datastore. Each share is accessible through the protocol (NFS or SMB) defined for the file system where it resides.

Questions # 74:

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

Options:

4TB

10TB

25TB

50TB

Answer

Explanation

UnityVSA maximum Usable Capacity is4 TB (Community Edition); 10 TB; 25 TB; and 50 TB licenses available.

References: https://shop.dellemc.com/sv-se/Product-Family/Unity-Products/Dell-EMC-Unity-VSA/p/EMC-Unity-Virtual-Storage-Appliance

Questions # 75:

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 a Dell EMC Unity to a primary host.

Which solution will meet the requirement and provide space efficiency?

Options:

Create an Asynchronous Replication session for the LUNConfigure access to the replica LUN for the secondary hostAttach the secondary host

Create a Snapshot of the LUNConfigure LUN access for the secondary hostAttach the Snapshot to the secondary host

Create a Snapshot of the LUNConfigure secondary host connectivity to Dell EMC Unity XTAttach the Snapshot to the secondary host

Create a Synchronous Replication session for the LUNConfigure access to the replica LUN for the secondary hostAttach the secondary host

Answer

Questions # 76:

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?

Options:

Download Audit Log

Download Checksum

Backup Keystore File

Download Audit Log and Checksum

Answer

Explanation

The keystore is tied to the storage processors, so care must be taken when performing service operations in order to preserve the encryption keys. In the event that the chassis and both storage processors need to be replaced, both storage processors should not be replaced at the same time. Instead, the chassis replacement should be followed while retaining one SP until the array is back online before replacing the second SP. In the case that storage processors have already been replaced at the same time and the keystore was lost, the keystore may be restored from an external backup.

Questions # 77:

What are four constraints defined in a VMware Capability Profile?

Options:

Service Level, Access, Protocol, and Space Efficiency

Capacity, Drive Type, RAID Level, and Data Reduction

Protocol Endpoint, Drive Type, RAID Level, and VM UUID

Service Level, Drive Type, RAID Level, and Space Efficiency

Answer

Explanation

References:

Questions # 78:

The soft limit quota for a file system has just been exceeded. What would you expect to occur concerning data access?

Options:

Once the soft limit is reached, the grace period counts down until the hard limit is reached. New data can be written as long as the hard limit has not been reached.

Once the soft limit is reached, no new data can be added to the file system or directory.

If the soft limit remains exceeded and the grace period expires, no new data may be added to the particular file system or directory.

If the soft limit remains exceeded and the grace period expires, new data may be added to the particular directory. The system will alert the grace period expired.

Answer

Explanation

References:

Questions # 79:

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