E20-393 Questions Prepare with Learning Information! 2023 Regularly updated
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NEW QUESTION 42
A storage administrator wants to configure a storage pool to include drives 0_0. 0_3 Based on Dell EMC best practices, what configuration should you recommend?
- A. RAID 5 10+2
- B. RAID 5 4+1
- C. RAID 6 14+2
- D. RAID 5 12+1
Answer: B
NEW QUESTION 43
After performing the initial configuration of a new UnityVSA, when do alerts concerning license expiration first occur?
- A. 1 month prior to expiration
- B. 15 days prior to expiration
- C. 7 days prior to expiration
- D. 2 months prior to expiration
Answer: A
Explanation:
Explanation/Reference:
References: https://www.emc.com/collateral/white-papers/h15092-dell-emc-unity-vsa.pdf
NEW QUESTION 44
What storage resources can be provisioned to a host that is connected to a Dell EMC Unity XT storage system via Fibre Channel?
- A. LUNs, CIFS shares, and Consistency Group LUNs
- B. VMFS datastores, NFS datastores, and VVol(file) datastores
- C. LUNs, Consistency Group LUNs, and NFS datastores
- D. Consistency Group LUNs, VMFS datastores, and VVol (block) datastores
Answer: B
NEW QUESTION 45
What is used to create a Proxy NAS Server on a Dell EMC Unity array?
- A. Service command
- B. initCLI command
- C. UEMCLI command
- D. Unisphere GUI
Answer: A
Explanation:
https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/h17122- dell_emc_unity-dr_access_and_testing.pdf
NEW QUESTION 46
If each Storage Processor in a Unity storage array has two on-board CNA ports with a dual personality
controller, which protocols are supported by these CNA ports?
- A. FCoE at 10 Gb/s and iSCSI at 10 Gb/s
- B. Fibre Channel at 4/8/16 Gb/s and iSCSI at 10 Gb/s.
- C. Fibre Channel at 2/4/8/16 Gb/s and iSCSI at 10 Gb/s.
- D. Fibre Channel at 4/8/16 Gb/s and FICON at 8 Gb/s.
Answer: B
Explanation:
Explanation
References: https://www.emc.com/collateral/TechnicalDocument/docu69319.pdf
NEW QUESTION 47
What is the maximum number of LUN snapshots that are supported by Unity?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
Explanation
Note: Logical Unit Number (LUN) - A block-level storage device that can be accessed using a protocol such as iSCSI.
NEW QUESTION 48
What is the minimum VMware Hypervisor version a server must be running in order to support the deployment of a UnityVSA system?
- A. 4.0
- B. 5.0
- C. 6.0
- D. 5.5
Answer: D
NEW QUESTION 49
Which protocol(s) is used to access VMware VMFS datastores from Unity?
- A. Fibre Channel only
- B. Fibre Channel over IP
- C. iSCSI and Fibre Channel
- D. iSCSI only
Answer: A
NEW QUESTION 50
Which option can be enabled in the Advanced tab of the SMB Share Properties window?
- A. Protocol Encryption
- B. SMB Direct
- C. Controller-Based Encryption
- D. Shared VHDX
Answer: B
NEW QUESTION 51
What is an example of a NAS Server replication session grouped operation?
- A. Delete
- B. Create
- C. Sync
- D. Resume
Answer: D
Explanation:
Explanation/Reference: https://www.emc.com/dam/uwaem/documentation/unity-p-replication-config.pdf
NEW QUESTION 52
Dell EMC Unity systems collect several metrics at various time intervals and use ESRS to send the
information to CloudIQ.
What are those metrics and their time intervals?
- A. Alerts = 5 minPerformance = 5 minCapacity = 1 hrConfiguration = 1 hr
- B. Alerts = 2 minPerformance = 30 minCapacity = 1 hrConfiguration = 1 hr
- C. Alerts = 2 minPerformance = 1 hrCapacity = 1 hourConfiguration = 1 hr
- D. Alerts = 5 minPerformance = 1 hrCapacity = 2 hourConfiguration = 1 hr
Answer: A
NEW QUESTION 53
A storage administrator wants to configure a Unity system to log system events to a remote log server. In order to allow access to the log server, which port should the administrator ensure is not blocked by the firewall?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
The storage system supports logging user/audit messages to a remote host. By default, the storage system transfers log information on port 514 using UDP.
References:
https://www.emc.com/collateral/TechnicalDocument/docu69321.pdf
(Page 31)
NEW QUESTION 54
In Unisphere, a storage administrator has inadvertently disabled Data Reduction on an existing LUN.
What would result from this action?
- A. A background LUN migration occurs, moving the data to a new LUN where it is inflated.New data is neither deduplicated nor compressed.
- B. Existing data is dynamically inflated to its full size, undoing the impact of deduplication and compression.New data is neither deduplicated nor compressed.
- C. Existing data is left in its current state.New data is neither deduplicated nor compressed.
- D. Data Reduction, once enabled, cannot be disabled.New data is deduplicated or compressed.
Answer: C
NEW QUESTION 55
Through which protocols are backend storage provisioned to the ESXi host when deploying a UnityVSA system?
- A. iSCSI, SMB, and NFS
- B. FC, iSCSI, and NFS
- C. iSCSI and NFS only
- D. FC and iSCSI only
Answer: A
Explanation:
Explanation
UnityVSA supports SMB, NFS, and iSCSI.
References: https://www.emc.com/collateral/TechnicalDocument/docu69362.pdf (page 4)
NEW QUESTION 56
Which Unify feature benefits oracle OLTP environments by improving storage utilization?
- A. 4 block formatting
- B. Automatic storage tiering
- C. Increased SP Cache size
- D. VVOLS
Answer: B
NEW QUESTION 57
What is the minimum memory requirement for a host running VMware ESXi 6.0 to support the deployment of a UnltyVSA system?
- A. 8 GB
- B. 18 GB
- C. 16 GB
- D. 12 GB
Answer: B
NEW QUESTION 58
Which Dell EMC Unity XT storage resource allows modification of its block size during creation?
- A. NFS datastore
- B. VVol file datastore
- C. VMFS datastore
- D. VVol block datastore
Answer: D
NEW QUESTION 59
Observing the SPE Fault LED during initial power up, what colors and time duration does the SPE use to indicate that it is ready for initialization?
- A. Amber for 1 second, then blue for 3 seconds
- B. Amber for 3 seconds, then blue for 1 second
- C. Blue for 1 second, then green for 3 seconds
- D. Amber for 1 second, then green for 2 seconds
Answer: B
Explanation:
https://community.emc.com/docs/DOC-65589
NEW QUESTION 60
How is the Dell EMC Unity Data Reduction Ratio calculated?
- A. Divide the predate-reduction size of all storage resources excluding their snapshots by the postdata-reduction size of all storage resources excluding their snapshots.
- B. Add up the efficiencies gained from thin provisioning, Deduplication, and Compression.
- C. Divide the predate-reduction size of all storage resources and their snapshots by the postdata-reduction size of all storage resources and their snapshots.
- D. Add up the efficiencies gained from thin provisioning, Snapshots, and Compression.
Answer: D
NEW QUESTION 61
What is the correct sequence of steps taken by the storage array when an AC power failure is detected?
Answer:
Explanation:
Explanation
Storage processors
Power
BIOS
SP Cache
Array
The Battery Backup Unit (BBU) provides power to the Storage Processor in the event that cabinet power is lost. The BBU is designed to power the SP long enough for the system to store SP cache content to the M.2 SSD device before powering down. The BBU includes sensors which communicate its charge and health status to the SP. In the event the BBU is discharged the SP will disable cache until the BBU has recharged. In the event the BBU has faulted or cannot sustain enough charge, an alert will be generated.
References:
https://www.emc.com/collateral/white-papers/h15084-dell-emc-unity-introduction-to-the-platform.pdf
NEW QUESTION 62
In order to replace a faulty component, a service provider has placed one of the Unity Storage Processors into Service mode. Once the component is replaced, how is the Storage Processor brought back into Normal mode?
- A. Exit the Service Mode task
- B. Reboot the storage system
- C. Reboot the Storage Processor
- D. Restart the Management software
Answer: C
Explanation:
If a single Storage Processor (SP) comes up in Service Mode, in Unisphere, you need to reboot the SP to return it to Normal Mode.
References:
https://www.emc.com/collateral/TechnicalDocument/docu69355.pdf
(page 4)
NEW QUESTION 63
A company plans to add five drives to a 30 drive SAS Flash 4 All-Flash pool on a Dell EMC Unity
600 storage array. Which drive type(s) can be used for the expansion?
- A. SAS Flash 2 and SAS Flash 4 only
- B. SAS Flash 3 and SAS Flash 4 only
- C. Any SAS Flash drive type
- D. SAS Flash 4 only
Answer: C
NEW QUESTION 64
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