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Free D-UN-DY-23 Exam Braindumps (page: 3)

Page 2 of 10
PDF with 36 Questions

What is a characteristic of FAST VP?

  1. Fast VP data relocation runs in the background at all times once it is enabled.
  2. Fast VP optimizes data replacement by moving 1 GB slices between disk tiers.
  3. Users can set the Fast VP data relocation rate.
  4. Users can enable or disable FAST VP at the LUN level.

Answer(s): C

Explanation:

FAST VP (Fully Automated Storage Tiering for Virtual Pools) is a feature that automatically moves data within a storage pool based on the performance requirements and access patterns of the data. FAST VP data relocation runs in the background according to a user-defined schedule and rate. The schedule determines when the data relocation starts and ends, and the rate determines how much system resources are used for the data relocation. Users can set the Fast VP data relocation rate to High, Medium, Low, or None. High means that the data relocation has the highest priority and uses the most system resources, while None means that the data relocation is disabled. Fast VP data relocation does not run at all times, but only during the scheduled window. Fast VP optimizes data placement by moving 256 MB slices between disk tiers, not 1 GB slices. Users cannot enable or disable FAST VP at the LUN level, but only at the storage pool level.


Reference:

[Dell EMC Unity: FAST Technology Overview], [Dell EMC Unity: Storage Pools and RAID Groups]



DRAG DROP (Drag and Drop is not supported)
A storage engineer was asked to restore a LUN snapshot using a previous copy.
What is the correct sequence of steps for a restore process?

  1. See Explanation section for answer.

Answer(s): A

Explanation:



https://www.delltechnologies.com/asset/en-us/products/storage/industry-market/h15089- dell_emc_unity-snapshots_and_thin_clones.pdf



A system administrator deployed a UnityVSA to their vSphere environment. They did not add the management IP to the UnityVSA during the installation.
Which command must be used to apply the management IP from the vSphere UnityVSA console?

  1. svc_ipmi
  2. svc_change_hw_config
  3. svc_initial_config
  4. svc_inject

Answer(s): C

Explanation:

To apply the management IP from the vSphere UnityVSA console, the system administrator must use the svc_initial_config command. This command allows the user to configure the initial network settings for the UnityVSA, such as the management IP address, subnet mask, gateway, and DNS

servers. The svc_ipmi command is used to configure the IPMI settings for the UnityVSA, such as the IPMI IP address, username, and password. The svc_change_hw_config command is used to change the hardware configuration of the UnityVSA, such as the number of CPU cores, memory size, and disk size. The svc_inject command is used to inject faults into the UnityVSA for testing purposes.


Reference:

[Dell EMC UnityVSA Installation Guide], [Dell EMC UnityVSA Command Line Interface Reference Guide]



An administrator has configured a Host Group to have access to a storage object.
What are two benefits of this configuration? (Choose two.)

  1. Ensures that snapshots are applied to all LUNs in the group
  2. Provides multiple hosts the same access to NFS Filesvstems
  3. Provides multiple hosts access to the same VMFS Datastores
  4. Ensures that block storage is replicated to the same hosts
  5. Provides multiple hosts access to the same LUNs

Answer(s): C,E

Explanation:

A Host Group is a logical grouping of hosts that share the same access permissions to storage objects, such as LUNs, VMFS Datastores, or NFS Filesystems. By configuring a Host Group, an administrator can simplify the management of multiple hosts and ensure consistent access to the storage resources. Some of the benefits of using a Host Group are:
Provides multiple hosts access to the same VMFS Datastores: A VMFS Datastore is a block-based storage object that is formatted with the VMware File System (VMFS) and used to store virtual machine files. A VMFS Datastore can be shared by multiple hosts that are part of a VMware cluster. By adding these hosts to a Host Group and assigning the VMFS Datastore to the Host Group, the administrator can ensure that all the hosts have the same access permissions and can access the virtual machines on the Datastore.
Provides multiple hosts access to the same LUNs: A LUN is a block-based storage object that is presented to a host as a SCSI device. A LUN can be shared by multiple hosts that have the same operating system and use a cluster-aware file system. By adding these hosts to a Host Group and assigning the LUN to the Host Group, the administrator can ensure that all the hosts have the same access permissions and can access the data on the LUN.


Reference:

Dell EMC Unity: Host Configuration
Dell EMC Unity: VMware ESXi Hosts and Clusters






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