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NEW QUESTION # 27
What storage resources are affected with a refresh option on a Dell EMC PowerStore array?
- A. Snapshots, thin clones, and volumes
- B. Thin clones, volumes, and replicas
- C. Thin clones and snapshots only
- D. Thin clones and volumes only
Answer: C
NEW QUESTION # 28
What is the maximum RPO that can be configured on a Dell Unity XT block-asynchronous replication session?
- A. 24 hours
- B. 48 hours
- C. 7 days
- D. 14 days
Answer: C
Explanation:
Asynchronous Replication in Dell Unity XT:
Asynchronous replication provides data protection over longer distances with flexible RPO settings.
Maximum RPO:
The maximum Recovery Point Objective (RPO) that can be configured for a block-asynchronous replication session in Dell Unity XT is 7 days.
This allows for up to a week's worth of data to be replicated asynchronously, balancing data protection and replication overhead.
Other Options:
24 hours, 48 hours, 14 days: These options do not align with the maximum configurable RPO of 7 days for asynchronous replication in Dell Unity XT.
NEW QUESTION # 29
Which tool can be used to migrate file data for Windows hosts from a legacy VNX array to a new Dell Unity XT array?
- A. DataDobi
- B. SANCopy
- C. Rsync
Answer: A
Explanation:
DataDobi is a tool that can be used to migrate file data for Windows hosts from a legacy VNX array to a new Dell Unity XT array. DataDobi offers efficient and reliable data migration capabilities, ensuring minimal downtime and data integrity during the migration process.
NEW QUESTION # 30
A systems administrator has deployed a Dell Unity XT 380F system with 15x 1.92 TB SSD drives, in a RAID
5 dynamic pool. Shortly after deployment, the administrator wants to expand the capacity of the system and use larger drives to increase the density. What will happen if the administrator adds 4x 3.84 TB SSD drives?
- A. The full capacity of the drives will be available.
- B. The mixing of drive types is not supported, and the operation will fail.
- C. Only half of the capacity of the new drives will be available.
- D. Three of the drives will be added with a fourth reserved as spare.
Answer: C
Explanation:
InDell Unity XT dynamic pools, when new drives are added to an existing pool, the system automatically integrates these drives into the pool. However,Unity XT dynamic pools only use the capacity of new drives up to the size of the smallest drive in the pool(a concept known ascapacity equalization).
#What happens here?
The original pool was created with1.92 TB SSD drives.
The administrator adds4 x 3.84 TB SSD drivesto the same pool.
Because the pool's smallest drive is1.92 TB, the system uses only1.92 TBof capacity from each of the new drives.
The remaining1.92 TBof the new drives' capacity isnot utilizedin the dynamic pool.
#Key Takeaways:
This behavior ensures uniform capacity usage across all drives in the pool, maintainingRAID group balance and data distribution.
To fully leverage the 3.84 TB capacity, the administrator would need to create anew poolusing only the larger drives.
#Documentation Reference:
Dell EMC Unity XT Best Practices Guide (Dell Technologies)- Discusses dynamic pool behavior and drive capacity equalization.
Dell EMC Unity XT Dynamic Pools Technical White Paper- Provides detailed explanations on how dynamic pools manage mixed drive sizes.
NEW QUESTION # 31
When designing a system to support Oracle OLAP Workload for a new customer with no I/O details, what are the default selections for the I/O profile input in sizer?
- A. Random Read: 50% at 32 KiB Random Write: 50% at 32 KiB
- B. Sequential Read: 70% at 8 KiB Sequential Write: 30% at 8 KiB
- C. Random Read: 70% at 8 KiB Random Write: 30% at 8 KiB
- D. Sequential Read: 80% at 8 KiB Sequential Write: 20% at 8 KiB
Answer: B
Explanation:
Explanation:
NEW QUESTION # 32
What is achieved by adding a top tier of SSDs when designing a Dell Unity XT hybrid solution with FAST VP and FAST Cache?
- A. Helps keep paged metadata on FLASH media
- B. Provides an additional data redundancy layer
- C. Isolates file top-talkers I/O from block data I/O
- D. Improves compression space efficiencies
Answer: A
Explanation:
FAST VP (Fully Automated Storage Tiering for Virtual Pools) and FAST Cache (Fully Automated Storage Tiering for Cache) are features that allow you to optimize the performance of your storage by automatically moving data between different storage tiers based on usage patterns.
The SSD tier is used to store frequently accessed metadata, such as file system structures, directories, and inode tables, which are accessed frequently and are small enough to fit in the SSD cache. Keeping paged metadata on flash media improves the overall system performance, as it allows for faster access to the metadata, reducing the latency and the number of I/O operations needed to access it.
NEW QUESTION # 33
What is the recommended order for connecting DAEs to SAS ports when only two ports are available on each SP of a Dell Unity XT DPE?
- A. DAE 1 to SAS Bus 1 DAE 2 to SAS Bus 1 DAE 3 to SAS Bus 0
- B. DAE 1 to SAS Bus 1 DAE 2 to SAS Bus 0 DAE 3 to SAS Bus 1
- C. DAE 1 to SAS Bus 0 DAE 2 to SAS Bus 1 DAE 3 to SAS Bus 0
- D. DAE 1 to SAS Bus 0 DAE 2 to SAS Bus 0 DAE 3 to SAS Bus 1
Answer: C
Explanation:
When connecting Disk Array Enclosures (DAEs) to SAS ports on a Dell Unity XT DPE (Disk Processor Enclosure) with only two ports available on each SP (Storage Processor), the recommended order is DAE 1 to SAS Bus 0, DAE 2 to SAS Bus 1, and DAE 3 to SAS Bus 0. This configuration helps in balancing the load across the available SAS ports, ensuring optimal data flow and performance.
NEW QUESTION # 34
Which two statements are correct for a PowerStore 5200T with mixed SSD and drive combination? (Select 2)
- A. SSD drives are used for metadata tiering
- B. SCM drives do not add to usable capacity
- C. NVMe drives are not used for Caching and Vaulting
- D. Expansion Enclosures are supported
Answer: B,D
NEW QUESTION # 35
How many writes per day are SAS Flash 4 drives rated at?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 36
On what host operating systems can the Grab tool run?
- A. OS/390, Windows, and Linux
- B. Windows, UNIX, and ESXi
- C. Linux, macOS, and Tru64
- D. ESXi, ChromeOS, and OS/390
Answer: B
Explanation:
Grab Tool Overview:
The Grab tool is used for collecting diagnostic information from host systems to aid in troubleshooting and performance analysis.
Supported Operating Systems:
The Grab tool can run on a variety of host operating systems, including Windows, UNIX, and ESXi.
This broad support ensures that administrators can gather necessary diagnostic data across different environments.
NEW QUESTION # 37
Which network option should be configured to provide the best iSCSi performance on a Dell Unity XT array?
- A. Disable flow control
- B. Single VLAN for all traffic
- C. Jumbo frames
- D. iSCSI offload
Answer: C
NEW QUESTION # 38
A Dell EMC Unity storage administrator has 10 hosts. One of the hosts experiences occasional, huge IO bursts.
What is a best practice for avoiding performance issues during these burst periods?
- A. Enable Quality of Service (QoS) then limit I/O for the entire FC port
- B. Enable Quality of Service (QoS) then configure burst settings
- C. Quality of Service (QoS) is enabled by default, so one only needs to configure burst settings
- D. Enabling Quality of Service (QoS) will limit the burst problem
Answer: B
NEW QUESTION # 39
What is the maximum capacity of a file system on a Dell Unity XT 380?
- A. 256 TB
- B. 32 TB
- C. 64 TB
- D. 128 TB
Answer: C
NEW QUESTION # 40
A systems administrator is evaluating a new solution for the deployment of new applications. The solution must offer storage over iSCSI for 50 Hyper-V VMs and storage over SMB to use as a user-shared area. High performance is a requirement, so the administrator has decided on NVMe SSD as the media.
Which solution meets these requirements?
- A. Dell PowerStore X deployed in unified mode
- B. Dell PowerStore T deployed in block-optimized mode
- C. Dell PowerStore T deployed in unified mode
- D. Dell Unity XT deployed in unified mode
Answer: C
NEW QUESTION # 41
How many hierarchical snapshots are supported by Dell EMC Unity?
- A. 32 levels deep for LUNs
16 levels deep for file systems - B. 16 levels deep for LUNs
16 levels deep for file systems - C. 16 levels deep for LUNs
8 levels deep for file systems - D. 10 levels deep for LUNs
10 levels deep for file systems
Answer: A
NEW QUESTION # 42
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 # 43
Which tool delivers frequent, dynamic, nondisruptive content updates for a user?
- A. CloudIQ
- B. Environment Collection Tool
- C. My Work
- D. Live Optics
Answer: A
Explanation:
CloudIQ is a cloud-based application that provides frequent, dynamic, and nondisruptive content updates to users. It offers proactive monitoring, predictive analytics, and detailed health scores for Dell storage environments, including PowerStore and Unity systems. CloudIQ helps users maintain optimal system performance by delivering real-time insights and alerts about potential issues before they impact operations.
Here's how CloudIQ benefits users:
* Frequent Updates:CloudIQ continuously gathers and analyzes data from connected systems, providing up-to-date information and insights.
* Dynamic Content:The tool dynamically adapts to changing conditions in the storage environment, offering relevant recommendations and updates.
* Nondisruptive:All updates and insights provided by CloudIQ are nondisruptive, ensuring that there is no interruption to the system's operations.
References:
* Dell Technologies CloudIQ Overview
* Dell Entry-Level and Mid-Range Storage Community
NEW QUESTION # 44
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 DRE Tolerance Parity in System Editor.
- B. Configure the Unity solution as an alternative.
- C. Change the DRR of the solution.
Answer: C
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 # 45
A PowerStore system has been successfully designed in PowerSizer, and the configuration must be created for the customer.
What is the most time-efficient way to generate the proposal?
- A. Export configuration in PowerSizer.
Download PPTX export files.
Open PPTX file.
Copy PowerStore configuration ID.
Paste configuration number in Configuration tool. - B. Export configuration in PowerSizer.
Copy PowerStore configuration ID.
Paste configuration number in Configuration tool. - C. Export configuration in PowerSizer.
Download PPTX export files.
Import PPTX file into configuration tool. - D. Export configuration in PowerSizer.
Download XML file with storage configuration.
Import XML file in Configuration tool.
Answer: B
NEW QUESTION # 46
You are sizing a new Dell EMC SC Series array. Upon analyzing the Live Optics report, you find the current system has a peak throughput of 4687 MB.
What is the minimum number of 10Gb iSCSI front-end ports required to meet the throughput needs?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 47
What is a benefit of cross-platform replication between Dell EMC SC Series and Dell PS Series arrays?
- A. Supports cascade mode for the PS Group
- B. Provides active snapshot replication
- C. Leverages existing interfaces
- D. Enables replication of volume collections
Answer: C
NEW QUESTION # 48
What are all the capabilities of a Dell Unity XT hybrid system that optimize for workload skew?
- A. HDDs and FAST Cache
- B. FAST Cache, Cache, and HDDs
- C. FAST VP and Cache
- D. Cache, FAST Cache, and FAST VP
Answer: D
NEW QUESTION # 49
A customer must restrict the share content visibility of a Dell Unity file system based on the access rights.
What attribute at the share level must be used?
- A. Continuous availability
- B. Access-based enumeration
- C. Offline availability
- D. Protocol encryption
Answer: B
Explanation:
Access-based enumeration is the attribute that must be used at the share level to restrict the share content visibility of a Dell Unity file system based on the access rights. Access-based Enumeration (ABE) is a feature that allows you to hide files and folders from users who do not have the necessary permissions to access them. When ABE is enabled, users only see the files and folders that they have permission to access. This helps to prevent users from accidentally accessing data that they should not have access to, and it helps to maintain the security and integrity of the data on the file system.
NEW QUESTION # 50
A solution architect is sizing a new Dell Unity XT array that requires hybrid dynamic pools. Which option must be selected in Midrange Sizer?
- A. Application Oriented
- B. Advanced Performance
- C. System Designer
- D. Quick Configuration
Answer: D
Explanation:
When sizing a new Dell Unity XT array that requires hybrid dynamic pools, the "Quick Configuration" option must be selected in the Midrange Sizer. This option streamlines the configuration process, allowing for a balanced and efficient setup of hybrid pools. Here's why Quick Configuration is used:
Simplifies Setup: Quick Configuration provides a straightforward approach to setting up the array, ensuring that the necessary parameters for hybrid dynamic pools are configured correctly without requiring in-depth manual input.
Balanced Performance: The tool uses predefined settings and best practices to create a hybrid pool that balances performance and capacity, making it ideal for a variety of workloads.
NEW QUESTION # 51
What is the Dell EMC best practice for sizing and designing a Dell EMC SC Series solution?
- A. Drive capacity should meet performance needs
- B. Size for performance first and capacity second
- C. Front-end ports required for performance should always meet capacity needs
- D. Size for capacity; Data Progression should always meet performance needs
Answer: B
NEW QUESTION # 52
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