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EMC D-UN-DY-23 Exam consists of 60 questions and has a time limit of 90 minutes. The questions are designed to test the candidate's practical knowledge and understanding of the Dell EMC Unity storage system. Candidates who pass the exam will be able to demonstrate their ability to install and configure Unity systems, manage and protect data, and perform troubleshooting and maintenance tasks. With this certification, candidates can improve their career prospects, demonstrate their expertise to their colleagues and employers, and gain recognition as a skilled IT professional in the field of Dell EMC Unity storage systems.
NEW QUESTION # 73
What is the correct sequence of steps to create a replication session on an existing LUN?
- A. Choose the destination.
Start the Configure Replication wizard.
Select the Replication tab from the LUN Properties page.
Choose the replication mode. - B. Select the Replication tab from the LUN Properties page.
Start the Configure Replication wizard.
Choose the destination.
Choose the replication mode. - C. Start the Configure Replication wizard.
Choose the destination.
Choose the replication mode.
Select the Replication tab from the LUN Properties page. - D. Start the Configure Replication wizard.
Choose the replication mode.
Select the Replication tab from the LUN Properties page.
Choose the destination.
Answer: B
NEW QUESTION # 74
What method can be used to start a Unity storage system software upgrade, but delay the disruptive steps until later in the day?
- A. Pause the upgrade before the primary Storage Processor reboots
- B. Deselect the Automatically Reboot Storage Processors option
- C. Load the upgrade file directly to the SPs through WinSCP prior to the upgrade
- D. Perform the upgrade using the UEMCLI
Answer: B
NEW QUESTION # 75
What is the minimum VMware Hypervisor version a server must be running in order to support the deployment of a UnityVSA system?
- A. 5.5
- B. 5.0
- C. 4.0
- D. 6.0
Answer: D
NEW QUESTION # 76
Which feature can be configured for a Unity File System NFS share?
- A. Continuous Availability
- B. Offline Availability
- C. Host Access Level
- D. Protocol Encryption
Answer: C
NEW QUESTION # 77
What is a characteristic of Host Groups?
- A. Hosts added to a host group must not have mapped block storage resources.
- B. Block storage resources addedlo a host group are accessible to all the member hosts
- C. Access to block storage resources must be set before adding hosts to a host group.
- D. Block storage resources attached to one of the member hosts are accessible to the entire host group.
Answer: B
Explanation:
Explanation
A characteristic of Host Groups is that block storage resources added to a host group are accessible to all the member hosts. A Host Group is a logical grouping of hosts that share the same access permissions and settings for block storage resources. By adding block storage resources to a host group, the user can simplify the management and allocation of storage for multiple hosts. Access to block storage resources does not need to be set before adding hosts to a host group, as the access permissions can be modified later. Hosts added to a host group can have mapped block storage resources, as long as they are not in conflict with the host group resources. Block storage resources attached to one of the member hosts are not accessible to the entire host group, unless they are also added to the host group.
References: [Dell EMC Unity: Host Configuration], [Dell EMC Unity: Block Storage Provisioning]
NEW QUESTION # 78
Which disk format is recommended for Dell EMC Unity's OVA?
- A. Thin Provision
- B. raw
- C. Thick Provision Lazy Zeroed
- D. Thick Provision Eager Zeroed
Answer: D
NEW QUESTION # 79
After performing the initial configuration of a new UnityVSA, when do alerts concerning license expiration first occur?
- A. 7 days prior to expiration
- B. 2 months prior to expiration
- C. 15 days prior to expiration
- D. 1 month prior to expiration
Answer: D
NEW QUESTION # 80
An administrator has been asked to install a NetWorker Virtual Edition (NVE) in the VMware vSphere environment. They successfully deployed the NVE OVA option from vSphere using the OVF template. When they try to run NVEconfig to configure the appliance, it fails with runtime errors.
What is the most likely cause of the errors?
- A. Incorrect DNS resolution
- B. Invalid Tomcat Keystore password
- C. Unsupported Authc Service password
- D. Missing language packs
Answer: A
NEW QUESTION # 81
An administrator wants to configure FAST Cache on a Unity 600.
What is the minimum number of drives required to configure this feature?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 82
How long will a Copy Back operation take when a hot spare is invoked?
- A. Copy Back time depends on the disk type
- B. Copy Back time depends on the RAID type
- C. Copy Back time depends on the disk capacity
- D. pro-Active hot spare does not use a Copy Back operation
Answer: D
NEW QUESTION # 83
What is the significance of setting a soft quota limit?
- A. Required to meet SEC regulatory requirements
- B. Allows the user the ability to compress the offending data
- C. Prevents UNIX hosts from encountering a state mount
- D. Provides a grace period before enforcing the quota limit
Answer: B
NEW QUESTION # 84
What is the minimum memory requirement for a host running VMware ESXi 6.0 to support the deployment of a UnltyVSA system?
- A. 18 GB
- B. 16 GB
- C. 8 GB
- D. 12 GB
Answer: A
NEW QUESTION # 85
What does the Dell Unity XT system do after a NAS server starts outbound traffic to an external service?
- A. Selects interfaces that are based on advanced static routes
- B. Creates an active interface buffer cache in DRA
- C. Uses the active production interfac
- D. Uses Packet Reflect for outbound communication.
Answer: C
NEW QUESTION # 86
What is a consideration for IP Packet Reflect running on a NAS server?
- A. Communications initiated by Unity do not require route table lookups
- B. SP must be rebooted after IP Packet Reflect is disabled
- C. Reply packets are sent via the same interface as the request packets
- D. SP must be rebooted after IP Packet Reflect is enabled
Answer: C
NEW QUESTION # 87
Writes are redirected on the parent pool.
A company needs to expand their dynamic pool by 5 TB. The current dynamic pool consists of 63 3.8 TB SSDs that are configured for RAID 5 (4+1).
What is the minimum number of drives needed for the pool expansion?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 88
What is the correct sequence of steps during the synchronous replication process? Steps.
- A. Host writes to source, then writes are replicated to destination.
- B. Source acknowledges the write to the host.
- C. Perform initial copy of source data to destination.
- D. Destination acknowledges the write to the source.
- E. Create destination resource and create write intent logs.
Answer: A,B,C,D,E
NEW QUESTION # 89
A user is having difficulty troubleshooting a Unity storage system and the service provider has been contacted for assistance. The service provider needs to run some service commands on the Storage Processors to troubleshoot the issue further.
Which step must be taken to allow the service provider remote access to the storage system?
- A. Enable SSH on the storage system
- B. Specify the Remote Logging configuration
- C. Set the Unisphre preferences to "Optimize" for remote access.
- D. Specify the SMTP configuration
Answer: A
NEW QUESTION # 90
What is the usefulness of setting a quota limit to zero?
- A. Increases file system access performance
- B. Enables tracking and reporting on file system usage
- C. Increases space efficiency on the file system
- D. Reduces CPU overhead for clients accessing data
Answer: B
NEW QUESTION # 91
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