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EMC D-UN-DY-23 exam is a vendor-specific certification that is offered by Dell EMC. D-UN-DY-23 exam tests your knowledge of the Dell Unity storage system and covers a range of topics, including the deployment process, hardware components, software configuration, and system management.
NEW QUESTION # 228
A company needs to expand their dynamic pool by 10 TB. The current dynamic pool consists of sixty-three 7.6 TB SSD drives that are configured for RAID5 12+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 # 229
What determines the maximum file size on Dell EMC UnityVSA?
- A. Data protection method
- B. Dell EMC Unity OE version
- C. Defined by its license
- D. Available disk capacity
Answer: B
NEW QUESTION # 230
On which storage objects is Unity compression supported?
- A. Thin LUNs and Thick LUNs
- B. Thin LUNs and VMFS datastores
- C. Thick LUNs and Wols
- D. VMFS datastores and Wols
Answer: D
NEW QUESTION # 231
After performing the initial configuration of a new Dell EMC UnityVSA single-SP offering, when do alerts concerning license expiration first occur?
- A. 7 days prior to expiration
- B. 15 days prior to expiration
- C. 4 weeks prior to expiration
- D. 3 weeks prior to expiration
Answer: B
NEW QUESTION # 232
Which are two ways to create an asynchronous replication session for a NAS server? (Select 2)
- A. Use NAS server properties.
- B. Use the NAS server wizard.
- C. Create replication connect.
- D. Create replication interface.
Answer: A,B
NEW QUESTION # 233
Which step must be completed prior to performing the initial configuration of a UnityVSA system and creating the first storage pool?
- A. Add vDisks to the storage appliance
- B. Install license keys for thin provisioning
- C. License the system for NFS and SMB support
- D. Create an ESXi host profile
Answer: A
NEW QUESTION # 234
What is an advantage of using the InitCLI tool to assign an IP address to a Unity storage system?
- A. Supports the configuration of DHCP addresses.
- B. Supports an IPv6 configuration.
- C. Allows additional services beyond what the Connection Utility offers.
- D. Does not require the host to have Java installed.
Answer: D
NEW QUESTION # 235
Which storage access configuration is unique to VMware Datastores?
- A. Host 10 burst policy
- B. IP MultMenancy
- C. Auto formatting
- D. vCenter Server
Answer: D
NEW QUESTION # 236
A storage administrator needs to shrink their FAST Cache. The current configuration consists of eight 200 GB SAS Flash 2 drives.
What is the maximum number of drives that can be removed from FAST Cache through an online shrink operation?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 237
What is a consideration when specifying a Dial Home suppression time for a Dell EMC Unity XT storage array?
- A. Can be lengthened or shortened
- B. The time zone where the array is located
- C. Should be set between 1 and 32 hours
- D. Can be enabled at any time
Answer: C
NEW QUESTION # 238
Which feature is only supported on physical Dell EMC Unity systems?
- A. Synchronous Replication
- B. Asynchronous Replication
- C. VVols
- D. Host I/O Limits (QoS)
Answer: A
NEW QUESTION # 239
Based on the exhibit, which port can be used to configure a Serial Over LAN (SOL) connection?
- A. B
- B. D
- C. C
- D. A
Answer: D
NEW QUESTION # 240
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. A host that was previously associated with the initiator has been disconnected.
- C. The initiator was manually registered and has connectivity issues.
- D. The initiator is not associated with any host.
Answer: D
NEW QUESTION # 241
How is a Local LUN Move initiated?
- A. Select the LUN, then select the Pool to move the LUN into, then choose the Move operation
- B. Choose the Move operation, then select a LUN, then select the Pool to move the LUN into
- C. Select the Pool to move the LUN into, then choose the Move operation, then select a LUN
- D. Select a LUN, then choose the Move operation, then select the Pool to move the LUN into
Answer: D
NEW QUESTION # 242
A system administrator wants to configure alerts notifications through Simple Network Management Protocol.
Which two versions are supported on a Dell Unity system? (Select 2)
- A. v2.0
- B. v2c
- C. v1
- D. v3.0
Answer: B,C
NEW QUESTION # 243
What is a connectivity rule for hosts that connect to multiple Unity systems?
- A. iSCSI is required to connect a host to multiple arrays
- B. Can connect to different arrays with different protocols
- C. Must connect to all arrays using a single protocol
- D. CNA connections used with alternating protocols
Answer: B
NEW QUESTION # 244
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 Unity to a primary host.
Which solution will meet the requirement and provide space efficiency?
- A. Create an Asynchronous Replication on session for the LUN
Configure access to the replica LUN for the secondary host
Attach the secondary host - B. Create a snapshot of the LUN
Configure LUN access for the secondary host
Attach the snapshot to the secondary host - C. Create a snapshot of the LUN
Configure snapshot access to the LUN for the secondary host
Attach the snapshot to the secondary host - D. Create a Synchronous Replication session for the LUN
Configure access to the replica LUN for the secondary host
Attach the secondary host
Answer: C
NEW QUESTION # 245
Which storage pool object is created for every RAID group in a traditional pool?
- A. MetaLUN
- B. Pool Slice
- C. Stripe Volume
- D. Private LUN
Answer: D
NEW QUESTION # 246
What are two prerequisites when creating host configuration for NFS client? (Choose two.)
- A. Network Address
- B. Tenant information
- C. Hostname
- D. Subnet access
Answer: A,C
Explanation:
Explanation
Host configuration is the process of defining the host properties and access permissions for a host that connects to the Dell Unity XT system. For NFS clients, the host configuration requires two prerequisites:
Network Address: The network address is the IP address or the subnet mask of the NFS client that identifies the host on the network. The network address is used to register the host on the Dell Unity XT system and to grant access to the NFS filesystems.
Hostname: The hostname is the name of the NFS client that is resolved by the DNS server or the local hosts file. The hostname is used to display the host information on the Unisphere UI and to enable host monitoring and alerting.
References:
Dell EMC Unity: Host Configuration
Dell EMC Unity: File System Configuration and Management
NEW QUESTION # 247
With Redirect on Write technology, when writes are made to the storage resource and more space is required, what size is the slice allocated from the parent pool?
- A. 128 MB
- B. 8 KB
- C. 64 KB
- D. 256 MB
Answer: D
NEW QUESTION # 248
What is the sequence of steps that must be executed to implement IP Multi-tenancy in a Unity system?
- A. Create file systems and shares for each tenant Configure host access for the tenant's shares Add tenants to the Unity System
- B. Add tenants to the Unity system Create a NAS server for each tenant Create file systems and shares for each tenant
- C. Associate tenants with existing NAS servers Create file systems and shares for each tenant Configure host access for the tenant's shares
- D. Create a NAS server tor each tenant Create file systems and shares for each tenant Add tenants and associate to the NAS servers
Answer: B
NEW QUESTION # 249
In an asynchronous replication, what is the maximum number of replicated NAS servers supported for the Dell Unity XT 380 series?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
Explanation:
The maximum number of replicated NAS servers supported for the Dell Unity XT 380 series in an asynchronous replication is 126. This is the same as the maximum number of NAS servers supported for the Dell Unity XT 380 series in general. Asynchronous replication is a method of replicating data between two Dell Unity systems with a configurable recovery point objective (RPO). It allows the source system to continue normal operations without waiting for the destination system to acknowledge the completion of the replication.
[Dell EMC Unity: Replication Technologies], [Dell EMC Unity: NAS Capabilities]
NEW QUESTION # 250
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