Which QoS option is NOT supported by Dell EMC Unity XT?
A. Attached Snapshot B. Individual or Group LUN C. VMFS Datastore D. iSCSI
D. iSCSI
Explanation/Reference:
QoS – Rate limiting
Protect against “Noisy Neighbor”
•
512 Limits
•
More granular control
•
Limit by IOPS, BW, or both
•
Apply to:
•
Individual LUNs
•
Group of LUNs
•
VMFS Datastores
•
Attached Snapshots
•
Can assign total limit to be shared among LUNs in Group
•
Can move LUN(s) to other QoS Policy
Question 113:
Which SAS SSDs are supported by Dell EMC PowerStore?
A. 960 GB, 1920 GB, 3840 GB, and 7680 GB B. 960 GB, 1920 GB, and 3840 GB only C. 1920 GB, 3840 GB, 7680 GB, and 15360 GB D. 1920 GB, 3840 GB, and 7680 GB only
D. 1920 GB, 3840 GB, and 7680 GB only
Explanation/Reference:
3.4.4 SAS SSD Reference:https://www.delltechnologies.com/asset/en-us/products/storage/industry-market/h18149-dell-emc-powerstore-platform-introduction.pdf
Question 114:
A storage administrator is deploying a new Dell Unity XT 880F system The system will be used over FC by several hosts running production databases The system will also be used over iSCSI to several hosts running tesVdev workloads The administrator wants to prevent the test/dev hosts from using more than 5000 IOPS
What Unity XT feature can be used for this configuration?
A. Thin clones B. LUN masking C. Host I/O limits D. FASTVP
C. Host I/O limits
Explanation/Reference:
Dell Unity XT's Host I/O limits feature allows you to set limits on IOPS for individual hosts connected over iSCSI. This can be used to restrict the test/dev hosts to a maximum of 5000 IOPS
Question 115:
A technical architect is designing a Dell Unity XT 480 using the System Designer option of Sizer. What is the recommended minimum amount of Flash that they should specify?
A. 15% B. 7% C. 5% D. 10%
B. 7%
Explanation/Reference:
7% is the recommended minimum amount of Flash that a technical architect should specify when designing a Dell Unity XT 480 using the System Designer option of Sizer. This is because, Unity XT storage systems require a certain amount of flash storage to handle system-wide functions such as metadata, snapshots and other storage services.
Question 116:
An ISP needs a data storage solution that allows them to set policies over resource usage. The solution needs to support network multi-tenancy while also providing full network failover protection. What combination of Dell EMC SC Series features meets these requirements?
A. Thin Replication and Storage Profiles B. VLAN Tagging and QoS C. Multi-protocol and Live Volume D. Replication and vVols
C. Multi-protocol and Live Volume
Question 117:
A customer has implemented five new Dell PowerStore 1000T model arrays for remote office sites. The arrays are going to need more capacity than originally thought What NVRAM considerations must be evaluated before adding the new capacity?
A. Use the DSA ordering system to determine if more NVRAM is supported for the PowerStore model B. Another NVRAM is only needed if adding an expansion shelf C. The 1000T only supports two NVRAM modules D. Use the Dell PowerStore Manager Ul to determine if more NVRAM is needed
D. Use the Dell PowerStore Manager Ul to determine if more NVRAM is needed
Explanation/Reference:
It's important to check if more NVRAM is needed before adding new capacity to ensure that the system has enough resources to handle the increased workload. The Dell PowerStore Manager UI can provide information on the current NVRAM usage and capacity, and can also be used to order additional NVRAM if needed.
Question 118:
What is a benefit of cross-platform replication between Dell EMC SC Series and Dell PS Series arrays?
A. Leverages existing interfaces B. Enables replication of volume collections C. Supports cascade mode for the PS Group D. Provides active snapshot replication
A. Leverages existing interfaces
Question 119:
How are vVol datastores mounted in Dell EMC PowerStore storage during the creation of vVol datastores in the vSphere environment shared by ESXi hosts?
A. Volume Groups B. Storage containers C. Storage Groups D. VMFS datastores
B. Storage containers
Explanation/Reference:
A storage container is used to present vVol storage from a PowerStore cluster to vSphere. vSphere mounts the storage container as a vVol datastore and makes it available for VM storage. When a PowerStore cluster is used to provide VM storage, user VMs should be provisioned on the vVol datastores. The default storage container is mounted automatically on the nodes of the cluster.
Question 120:
What tabs are available on the Dell EMC PowerStore Manager Dashboard?
A. Health. Overview. Performance, and Capacity B. Health, Efficiency. Performance, and Summary C. Performance. Efficiency, and Capacity only D. Performance. Overview, and Capacity only
D. Performance. Overview, and Capacity only
Explanation/Reference:
These categories are divided in tabs: Overview, Capacity, and Performance. Reference:https://volumes.blog/2020/05/07/what-is-powerstore-part-6-powerstore-user-interface/
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