D-UN-DY-23 試験問題と解答 - 模擬練習 - 練習問題・模擬試験

Question No : 1
Which storage pool object is created for every RAID group in a traditional pool?

A.Stripe Volume
B.MetaLUN
C.Pool Slice
D.Private LUN

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Question No : 2
What describes multiple LUN snapshots?

A.Captures multiple point-in-time data states. Snapshot data state is marked "unmodified'' from its source when attached. Snapshot tree supports multiple simultaneous attaches.
B.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.
C.Captures multiple point-in-time data states. Snapshot data state is marked "modified" from its source when attached. Snapshot tree supports multiple simultaneous attaches.
D.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.

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Question No : 3
What is the maximum storage capacity supported by a Dell EMC UnityVSA with the Community Edition subscription?

A.4 TB
B.10 TB
C.25 TB
D.50 TB

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Question No : 4
A system administrator experienced a power failure in their environment.
To which device will cache de-stage?

A.2 SSD on each Storage Processor
B.First four disks in the Disk Processor Enclosure
C.Cache does not need to de-stage as it is now non-volatile
D.Backup Battery Unit will keep the data alive in cache

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Question No : 5
Dell EMC Unity systems collect several metrics at various time intervals and use ESRS to send the information to CloudIQ.
What are those metrics and their time intervals?

A.Alerts = 5 min Performance = 5 min Capacity = 1 hr Configuration = 1 hr
B.Alerts = 2 min Performance = 1 hr Capacity = 1 hour Configuration = 1 hr
C.Alerts = 5 min Performance = 1 hr Capacity = 2 hour Configuration = 1 hr
D.Alerts = 2 min Performance = 30 min Capacity = 1 hr Configuration = 1 hr

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Question No : 6
Which UnityVSA storage resource can be configured with Host I/O limits?

A.NAS Server
B.Pool
C.File System
D.LUN

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Question No : 7
Under what conditions should fully provisioned storage be recommended?

A.Workloads requiring high throughput
B.Storage objects subject to snapshots
C.Storage objects subject to replication
D.Workloads requiring high bandwidth

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Question No : 8
A storage administrator has added multiple resources to a single density-based Host I/O Limit policy for the following storage resources:
- LUN A: 100 GB
- LUN B: 100 GB
- LUN C: 600 GB
- Density-Based Limit 10 IOPS
What is the total IOPS set by this policy?

A.80
B.800
C.810
D.8,000

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Question No : 9
What is a characteristic of the iSCSI interface on Dell EMC Unity storage arrays?

A.Only one iSCSI interface can exist on a physical network port at a time.
B.IQN aliases are automatically generated.
C.A VLAN can only be assigned during the creation of the iSCSI interface.
D.IQNs are associated with an iSCSI interface.

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Question No : 10
A storage administrator has set a soft quota of 20 GB and a hard quota of 25 GB on a die system.
At what usage capacity will the administrator receive the first quota alert?

A.17 GB
B.18 GB
C.20 GB
D.22 GB

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Question No : 11
What is the maximum number of SAS ports available on a Dell EMC Unity XT 680?

A.4
B.6
C.7
D.8

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Question No : 12
What is the significance of the best practices recommendation to maintain 10% free capacity on a storage pool?

A.Provides enough space for drive failures
B.Allows enough capacity for Snapshots
C.Improves FAST Cache warmup times
D.Reduces cache flush times

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Question No : 13
What is a consideration when designing a replication solution using the native Dell EMC Unity XT Replication feature?

A.Asynchronous remote replication supports replication to only one remote Dell EMC Unity XT system
B.Synchronous remote replication supports replication to only one remote Dell EMC Unity XT system
C.Synchronous remote replication supports replication to up to two remote Dell EMC Unity XT systems
D.Asynchronous remote replication supports replication to up to two remote Dell EMC Unity XT systems

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Question No : 14
Which Dell EMC Unity service task is used to reinstall the root operating system while leaving the existing data intact?

A.Restart the Management Software
B.Reimage the Storage Processor
C.Restart the Management Server
D.Reinitialize the Storage System

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Question No : 15
What is the correct sequence of steps taken by the storage array during the synchronous replication process?

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DELL EMC D-UN-DY-23 問題練習