D-PST-OE-23 시험 - DELL EMC실제시험문제와 답 - 140문항

Question No : 1

On a Dell Unity XT file system asynchronous replication session, how many system Snapshots are required to support replication?

A.1
B.4
C.8
D.2

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Question No : 2

What is the recommended configuration for iSCSI connections to ensure continuous access to the Dell Unity XT storage system in the event of a failover?

A.Set up iSCSI interfaces on the same port of each SP and configure advanced static routes for the interfaces.
B.Create iSCSI interfaces on network ports on different SPs that are combined into a FSN logical device.
C.Create iSCSI interfaces on different network ports on the same SP that are combined into a link aggregation.
D.Set up iSCSI interfaces on the same port of each SP and leverage the host-based multi-pathing software.

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Question No : 3

What are two recommendations for configuring synchronous replication on a Dell Unity XT system? (Select 2)

A.Session RPO must be set to zero
B.Dataset to be less than 100 TB
C.Latency below 10 milliseconds
D.A maximum of 100 km (60 mi) distance

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Question No : 4

A storage engineer must restore a LUN snapshot using a previous copy.
What is the correct sequence of steps?

未标题-1

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Quiesce host I/O
Disconnect the host from the LUN
Detach any hosts from LUN snapshots
Select “Snapshot Restore
System creates a snapshot of the current LUN data state
LUN is restored to the selected snapshot’s data state

Question No : 5

A system administrator wants to limit I/O for the following LUNs:
- LUN A: Size 100 GB, Limit:500 IOPS
- LUN B: Size 500 GB, Limit: 1000 1OPS
- LUN C: Size 500 GB, Limit: 500 1OPS
- LUN D: Size 1000 GB, Limit: 1000 1OPS
What type and number of host I/O limit policies must be used?

A.One shared absolute limit policy
B.Two absolute limit policies
C.One absolute policy and one density based limit policy
D.Two density based limit policies

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Question No : 6

A storage administrator wants to have frequent snapshots of a LUN during production hours
What is the minimum frequency configurable for a snapshot schedule of the LUN?

A.2 hours
B.15 minutes
C.30 minutes
D.1 hour

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Question No : 7

Which are two characteristics of Dynamic Pools? (Select 2)

A.All storage pools on the supported storage systems are dynamic pools by default.
B.They can only be Single Tiered on the HFA systems.
C.Dynamic Pools are supported on all physical Dell Unity XT models.
D.Four drives of spare space per 32 drives are used when creating a dynamic pool.

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Question No : 8

What is a connectivity rule for a host that connects to multiple Dell Unity XT systems?

A.The iSCSI protocol is required when host connects to multiple arrays.
B.The host can connect to different arrays with different protocols.
C.CNA connections to the host must be used with alternating protocols
D.The host must connect to all the arrays using a single protocol.

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Question No : 9

What are two features of a Dell UnityVSA Professional Edition license?

A.Professional Edition is covered by Dell support.
B.Applicable for Test and Development environments.
C.Supports UnityVSA Dual-SP HA deployment.
D.4 TB maximum capacity

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Question No : 10

The LUN Snapshot Attach to Host operation is being performed with Read/Write Access selected.
By default, what does the Dell Unity XT system do before beginning the attach process?

A.Creates a copy of the Snapshot
B.Detaches existing attached hosts from the LUN Snapshot tree
C.Detaches the host from the Snapshots of any other LUN
D.Creates a Snapshot of the LUN

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Question No : 11

What is a consideration when expanding a dynamic pool?

A.The maximum number of slices in a private LUN is 256.
B.The maximum number of drives is 64 in a drive partnership group.
C.The maximum number of drives is 16 in a RAlD Group.
D.The minimum number of drives in a RAID 5 (4+1) RAID Group is 5.

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Question No : 12

What does the Dell Unity XT system do after a NAS Server starts outbound traffic to an external service?

A.Creates an active interface buffer cache in DRAM
B.Uses Packet Reflect for outbound communication
C.Selects interfaces based on advanced static routes
D.Uses the active production interface

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Question No : 13

A Windows test server ran a stress test program that generated a large amount of throughput. This test resulted in performance slowdowns on production hosts sharing VMFS datastore.
What Dell Unity XT feature can a storage administrator use to prevent this problem?

A.File System Quotas
B.Host I/O Limits
C.FAST Cache
D.Bandwidth Schedules

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Question No : 14

From which storage resources can a thin clone be created?

A.VMFS datastore and vVol datastore
B.File system and VMFS datastore
C.File system and thin LUN
D.Thin LUN and consistency group

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Question No : 15

A system engineer created one NAS server using NFSv4 protocol with one NFS share named AppTech1. They gave one host access but were unsuccessful in mounting the share.
Where should the system engineer check to ensure that the host has proper access?

A.Host properties
B.File system properties
C.NAS server properties
D.NFS share properties

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DELL EMC D-PST-OE-23 시험