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Exam
: D-UN-DY-23
Title
: Dell Unity Deploy 2023
Exam
https://www.passcert.com/D-UN-DY-23.html
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1.Refer the exhibit.
Which shows the Initiators page in the Unisphere GUI.
What does the symbol circled in blue indicate about the state of the initiator?
A. A host was associated with the initiator and it is ready for storage access.
B. The initiator is not associated with any host.
C. The initiator was manually registered and has connectivity issues.
D. A host that was previously associated with the initiator has been disconnected.
Answer: B
2.A storage administrator is configuring asynchronous remote replication.
What is the total number of internal snapshots created on the source and destination systems?
A. 2
B. 4
C. 6
D. 8
Answer: B
3.A company has several LUNs being accessed by VMware ESXi over iSCSI.
How can they minimize the resulting impact on performance?
A. Configure the ESXi host for Round Robin Path Selection with IOPS limit of 2
B. Configure the ESXi host to send an ACK for every other full-sized data segment
C. Enable “DelayedACK” on the ESXi host
D. Disable “DelayedACK” on the ESXi host
Answer: D
4.For a single asynchronous replication session, what does Unity automatically create?
A. Two write intent logs: one on the source, one on the destination
B. Two internal snapshots: one on the source, one on the destination
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C. Four internal snapshots: two on the source, two on the destination
D. Four write intent logs: two on the source, two on the destination
Answer: C
5.What is a function of CloudIQ?
A. Tier to cloud storage
B. Provision storage resources
C. Configure host access
D. Monitor system health
Answer: D
6.A storage administrator performs a monthly performance analysis of a Dell EMC Unity XT storage array
using CloudIQ insight reports. Three LUNs are set with a Host IO Limits policy. The administrator
discovers that the throughput IOPS on one LUN (Test_LUN) has increased by 1000 IOPS compared to
the two previous months.
What is a possible root cause of the spike in IOPS?
A. Test_LUN was expanded by 100 GB and a Density-based Host IO limit policy was set for all three
LUNs
B. Test_LUN was expanded by 100 GB and a Density-based Host IO limit policy was set only for
Test_LUN
C. Host IO limit of Test_LUN was edited and the limit was increased by 1000 IOPS
D. Another Absolute Host IO limit policy with additional 1000 IOPS was set on Test_LUN
Answer: C
7.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?
A. 200 GB and 400 GB
B. 400GB and 1.6 TB
C. 1.6 TB and 3.2 TB
D. 3.2 TB and 800 GB
Answer: A
8.Which protocols are supported by Dell EMC UnityVSA for storage provisioning?
A. FC, NFS, and iSCSI
B. SMB and NFS only
C. iSCSI and SMB only
D. iSCSI, NFS, and SMB
Answer: D
9.In Unisphere, where can a storage administrator create an asynchronous LUN replication session?
A. LUN Creation wizard or the LUN Properties window
B. Replication page or the LUN Properties window
C. Replication page only
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D. LUN Properties window only
Answer: D
10.What are characteristics of the LUN Snapshot Copy operation?
A. Parent cannot be a snapshot copy
Can only copy a detached snapshot
Has an independent Retention Policy from the parent
B. Parent can be a snapshot copy
Can only copy a detached snapshot
Has an independent Retention Policy from the parent
C. Parent can be a snapshot copy
Can copy an attached or detached snapshot
Inherits the parent Snapshot Retention Policy
D. Parent cannot be a snapshot copy
Can copy an attached or detached snapshot
Inherits the parent Snapshot Retention Policy
Answer: C
11.What is a characteristic of Automatic UFS64 File System extension?
A. Array I/O service to clients is disrupted during auto-extension
B. Allocated space remains unchanged after extend operation
C. Auto-extension can exceed the file system visible size
D. File system cannot auto-extend past the provisioned size
Answer: D
12.When an Active replication session state indicates normal operations, what is the sync state of the
source and destination resources?
A. Syncing
B. In Sync
C. Consistent
D. Running
Answer: B
13.What describes the LUN Snapshot Copy operation?
A. Parent cannot be a snapshot copy
Can only copy a detached snapshot
Has an independent Retention Policy from the parent
B. Parent can be a snapshot copy
Can only copy a detached snapshot
Has an independent Retention Policy from the parent
C. Parent can be a snapshot copy
Can copy an attached or detached snapshot
Inherits the parent Snapshot Retention Policy
D. Parent cannot be a snapshot copy
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Can copy an attached or detached snapshot
lnherits the parent Snapshot Retention Policy
Answer: C
14.An administrator is preparing to configure logging to a remote host. If they use the Unity default values,
which port needs to be open for the system to transfer the log information?
A. 443
B. 514
C. 546
D. 8443
Answer: B
15.When the LUN Snapshot Attach to Host operation is performed, what does the Unity system optionally
do before beginning the attach process?
A. Creates a snapshot of the LUN
B. Detaches the host from the snapshots of any other LUN
C. Creates a copy of the snapshot
D. Deletes all other existing snapshots of the LUN
Answer: C
16.A storage administrator is tasked with creating a DR solution for block and file storage resources. The
company has multiple regional and international sites containing a mix of physical and virtual Dell EMC
Unity systems.
What are considerations for the storage administrator in creating the DR solution?
A. Synchronous remote replication should be restricted to within 100 km between sites to keep latency
below ms
Block storage resources can be replicated synchronously and asynchronously
B. Synchronous remote replication should be restricted to within 100 km between sites to keep latency
below 10 ms
File and block storage resources can be replicated synchronously and asynchronously
C. Asynchronous replication ensures zero data loss the remote replica in disaster conditions
Block storage resources can be replicated synchronously and asynchronously
D. Asynchronous replication over long-distance does not impact latency
Asynchronous replication ensures zero data loss to the remote replica in disaster conditions
Answer: D
17.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?
A. Create Replication interfaces on both systems. Modify the Replication Connection Mode. Run a
Replication Connection Verify and Update operation.
B. Create Replication Interfaces on the source system. Modify the Mode for Replication Connection.
Perform a manual Sync operation on the Asynchronous session.
C. Create Replication Interfaces on destination system. Establish FC connectivity using the Synchronous
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FC Ports of each system. Perform a manual Sync operation on the Asynchronous session.
D. 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
Answer: A
18.What is a feature of Dell EMC UnityVSA systems?
A. Synchronous replication
B. Data at Rest Encryption
C. Dynamic storage pools
D. Traditional storage pools
Answer: D
19.Refer to the exhibit.
A storage administrator wants to add new DAEs to the Unity XT storage array.
Which group of ports can they use?
A. 1
B. 2
C. 3
D. 4
Answer: B
20.Through which protocols are backend storage provisioned to the ESXi host when deploying a
UnityVSA system?
A. iSCSI, SMB, and NFS
B. iSCSI and NFS only
C. FC. ISCSI, and NFS
D. FC and iSCSI only
Answer: B
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