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NEW QUESTION # 75
A solution architect notices the PowerSizer is translating File Operations into IOPS for cluster and appliance summary......
What is the cause of this issue
- A. File Operations was entered
MiB/s was not entered - B. File Operations was not entered
MiB/s was entered - C. File Operations was not entered
MiB/s was not entered - D. File Operations was entered
MiB/s was entered
Answer: A
NEW QUESTION # 76
At what point in a sales cycle is a site survey done to create a description of the site environment?
- A. Post-Sales
- B. Design
- C. Initial Engagement
- D. Defend
Answer: A
NEW QUESTION # 77
What is Dell recommendation for scheduling FAST VP relocation?
- A. During backups or nightly batch processing
- B. Before and After backups or nightly batch processing
- C. After backups or nightly batch processing
- D. Before backups or nightly batch processing
Answer: D
NEW QUESTION # 78
What result is obtained by multiplying the VM count by the Capacity per VM in a PowerStore system?
- A. Usable Capacity
- B. Raw Capacity
- C. Effective Capacity
Answer: A
Explanation:
In a PowerStore system, multiplying the VM count by the Capacity per VM gives the UsableCapacity. Usable Capacity represents the actual storage capacity available for use by the virtual machines, taking into account any overheads, data protection mechanisms, and efficiency features such as deduplication and compression.
Reference:Dell PowerStore Capacity Planning Guide
NEW QUESTION # 79
What can be done to provide best performance on Dell Unity iSCSI connections?
- A. Configure Jumbo frames end-to-end.
- B. Utilize FSN on hosts.
- C. Configure Flow control on all ports.
- D. Configure LACP on all connections.
Answer: A
Explanation:
To provide the best performance on Dell Unity iSCSI connections, configuring Jumbo frames end-to-end is recommended. Jumbo frames allow for larger packet sizes than the standard 1500 bytes, typically up to 9000 bytes. This reduces the number of packets transmitted, decreases CPU utilization, and improves overall network efficiency. Here's how to configure Jumbo frames:
* Switch Configuration:Enable Jumbo frames on all network switches that will handle iSCSI traffic.
* Network Interface Configuration:Configure all network interfaces (NICs) on the storage system and the iSCSI hosts to support Jumbo frames.
* End-to-End Consistency:Ensure that Jumbo frames are configured consistently across the entire network path from the storage system to the hosts to avoid fragmentation and performance degradation.
References:
* Dell Technologies Unity iSCSI Best Practices
* Dell Entry-Level and Mid-Range Storage Community
NEW QUESTION # 80
A customer has two Dell Unity arrays a Dell Unity 550F and a Dell Unity XT 480 They are undergoing a network refresh and would like to modernize to a 25 GbE network. The customer has asked the technical architect about adding 25 GbE network cards to the Unity systems Both systems have free slots Which option should the technical architect recommend?
- A. 25 GbE is not supported on Unity or Unity XT systems
- B. The Unity XT 480 supports a 25 GbE card but the Unity 550F does not support a 25 GbE card
- C. The Unity 550F supports a 25 GbE card but the Unity XT 480 does not support a 25 GbE card
- D. All Unity and Unity XT systems support 25 GbE.
Answer: B
Explanation:
The Unity XT 480 can be upgraded with the 25 GbE network cards, but the Unity 550F will not be able to support them and the customer will have to consider upgrading the Unity 550F to a newer model that supports 25 GbE.
NEW QUESTION # 81
From which Dell EMC storage system can a Dell EMC PowerStore array natively import data?
- A. PowerVault
- B. VNX
- C. VNX2
- D. VMAX
Answer: C
NEW QUESTION # 82
When enabling a multi-protocol NAS implementation on a Dell EMC PowerStore array, what is required for an end-to-end mapping of a Windows system?
- A. Security ID (SID)
- B. Active Directory (AD)
- C. Group ID (GID)
- D. User ID (UID)
Answer: A
Explanation:
https://www.delltechnologies.com/en-us/collaterals/unauth/white-
papers/products/storage/h18155-dell-emc-powerstore-file-capabilities.pdf
NEW QUESTION # 83
A customer has a mixed environment consisting of Dell Unity 350F Dell Unity XT 680F. and Dell PowerStore 5000X They want to have a single interface to monitor and report on all the arrays.
Which software tool should the technical architect recommend?
- A. PowerStore Manager
- B. Unisphere Central
- C. CloudlQ
- D. Unisphere Analyzer
Answer: B
Explanation:
Unisphere Central is the recommended software tool for the customer as it allows for the monitoring and reporting of multiple Dell Unity and Dell PowerStore arrays through a single interface. It provides a unified management experience and allows for efficient monitoring and troubleshooting of the storage environment.
NEW QUESTION # 84
What is the maximum number of data drives that can be put in to a Dell PowerStore 1000T base enclosure?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
The maximum number of data drives that can be put in to a Dell PowerStore 1000T base enclosure is 21. The Dell PowerStore 1000T has a 2U form factor, and it supports a maximum of
21 drives in the base enclosure. The drives can be either SAS or NVMe, and it's important to keep in mind that the maximum capacity of the system depends on the type of drives that are used. It's important to note that the PowerStore 1000T supports up to 2 expansion shelves that can hold an additional 21 drives each, for a maximum of 63 drives in total. Also, the PowerStore
1000T supports up to 4 NVRAM modules that are used to cache metadata and improve performance.
NEW QUESTION # 85
While sizing a PowerStore solution with 5 TB usable capacity and 5000 IOPS for a Test/Development Application using NVMe drives, a solution architect observes that the recommended solution is 10 times the requested capacity. What action must the architect take?
- A. Change the DRR of the solution.
- B. Configure the Unity solution as an alternative.
- C. Change the DRE Tolerance Parity in System Editor.
Answer: A
Explanation:
* Understanding DRR (Data Reduction Ratio):
* The Data Reduction Ratio (DRR) is a measure used in storage solutions to determine the efficiency of data reduction technologies such as deduplication and compression.
* In NVMe-based systems like PowerStore, achieving an optimal DRR is crucial for balancing capacity and performance.
* Sizing PowerStore Solutions:
* When sizing a PowerStore solution, it's essential to align the provided capacity and performance (IOPS) with the customer's requirements.
* If the recommended solution vastly exceeds the requested capacity (10 times more in this case), it indicates an overly conservative DRR assumption.
* Recommended Action:
* The architect should adjust the DRR to reflect a more accurate estimate that aligns with the customer's actual data reduction potential.
* This adjustment ensures that the solution is cost-effective and meets the performance criteria without excessive over-provisioning.
* Dell Midrange Storage References:
* Dell Technologies documentation on PowerStore solutions provides detailed guidelines on DRR configurations and best practices.
* Resources include sizing tools, system editor settings, and real-world case studies that illustrate appropriate DRR adjustments.
References:
* Dell PowerStore Overview
* Dell Community on Midrange Storage
* Dell Storage Product Information
NEW QUESTION # 86
You are designing a Dell EMC Unity solution. You need to predict its expected performance based on workload, number o and type of drives, and RAID protection. Which design path on the Midrange Sizer should you take?
- A. Performance Data Input path
- B. Application Oriented path
- C. Quick Configuration path
- D. System Designer path
Answer: D
NEW QUESTION # 87
When is the encryption key of a drive created on a Dell Unity XT system with D@RE enabled?
- A. When data is first written to the drive
- B. When the drive is inserted into the array
- C. When the drive is bound to a storage pool
- D. As the system is booted for the first time
Answer: C
NEW QUESTION # 88
A customer asks you about the maximum load of their new Dell EMC SC Series array.
Which term should you use in response?
- A. CPU Cycles
- B. MB
- C. IOPS
- D. Latency
Answer: C
Explanation:
Reference: https://downloads.dell.com/manuals/common/sc-series-performance-availability-best- practices-dell-emc-4024-bp-sc_en-us.pdf
NEW QUESTION # 89
Which two parameters avoid bottlenecks and improve performance when sizing Dell Unity XT storage solutions? (select 2)
- A. Network Latency
- B. Workload Types
- C. Port load balancing
- D. Network Bandwidth
- E. Port Utilization
Answer: A,B
NEW QUESTION # 90
A customer with a Dell Unity XT 680 asks about enabling the Advanced Deduplication feature.
Which configuration is recommended for enabling the feature?
- A. On hybrid pools when CPU utilization is at or less than 50%
- B. On hybrid pools with free capacity above 20%
- C. On All-Flash pools with free capacity above 20%
- D. On All-Flash pools when CPU utilization is at or less than 50%
Answer: D
NEW QUESTION # 91
An application owner needs 10 volumes for their application to be created, and they must have snapshots taken simultaneously with write-order-consistency. Which feature in Dell PowerStore should be used to enable this requirement?
- A. Volume Groups
- B. Snapshot Groups
- C. Consistency Groups
- D. Data Groups
Answer: C
Explanation:
* Understanding Write-Order-Consistency:
* Write-order-consistency ensures that all writes are completed in a specific order to maintain data integrity, particularly important for applications that rely on consistent data states across multiple volumes.
* Consistency Groups in PowerStore:
* Consistency Groups in Dell PowerStore allow multiple volumes to be managed together as a single entity.
* When snapshots are taken of a Consistency Group, all member volumes are captured simultaneously with write-order-consistency, ensuring data integrity across the group.
* Other Options:
* Volume Groups: Typically used to group volumes for management purposes but do not ensure write-order-consistency for snapshots.
* Snapshot Groups: Focus on managing snapshots but without the guaranteed consistency across multiple volumes.
* Data Groups: Not a feature in Dell PowerStore specific to this requirement.
* Dell Midrange Storage References:
* Dell PowerStore documentation provides detailed guidelines on using Consistency Groups for applications requiring write-order-consistent snapshots.
* Additional resources from Dell Technologies' support and community forums further validate this feature.
References:
* Dell PowerStore Consistency Groups
* Dell Community on PowerStore Features
NEW QUESTION # 92
A solution architect is sizing a new Dell Unity XT array that requires hybrid dynamic pools Which option must be selected in Midrange Size?
- A. Application Oriented
- B. Quick Configuration
- C. System Designer
- D. Advanced Performance
Answer: C
NEW QUESTION # 93
When designing a Dell EMC SC Series system, which factors regarding general performance are important to understand?
- A. Block size and read size
- B. Latency and queue depth
- C. Write size and latency
- D. Transport and queue depth
Answer: B
Explanation:
"Whether gathering information or designing a system, it is important to understand two commonly used terms: Latency and queue depth"
NEW QUESTION # 94
What tabs are available on the Dell EMC PowerStore Manager Dashboard?
- A. Performance. Overview, and Capacity only
- B. Health. Overview. Performance, and Capacity
- C. Performance. Efficiency, and Capacity only
- D. Health, Efficiency. Performance, and Summary
Answer: B
Explanation:
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/
NEW QUESTION # 95
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