D-MSS-DS-23 Exam Questions - Real & Updated Questions PDF
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EMC D-MSS-DS-23 Exam Syllabus Topics:
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NEW QUESTION # 63
Which describes cascade replication on a Dell Unity XT?
- A. Synchronous replication of a file resource from Sites A to B. then B to C then C to D
- B. Asynchronous replication of a block resource from Sites A to B then B to C then C to D
- C. Asynchronous replication of a file resource from Sites A to B then B to C. then C to D
- D. Synchronous replication of a block resource from Sites A to B. then B to C. then C to D
Answer: C
Explanation:
Cascade replication refers to the replication of data from one site to another, in a sequential or cascading manner. In the case of Dell Unity XT, cascade replication refers to the asynchronous replication of a file resource from one site (site A) to another (site B), then from site B to another site (site C) and so on. This means that data is replicated from one site to another in an orderly fashion, and each site functions as both a source and a target for replication. This allows for multiple copies of the data to be kept in different locations, providing increased data availability and disaster recovery capabilities. It's important to note that cascade replication can also be used for block resources but is usually asynchronous.
NEW QUESTION # 64
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. CloudlQ
- B. Unisphere Central
- C. Unisphere Analyzer
- D. PowerStore Manager
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 # 65
Which two parameters avoid bottlenecks and improve performance when sizing Dell Unity XT storage solutions? (Select 2)
- A. Port load balancing
- B. Port Utilization
- C. Workload Types
- D. Network Bandwidth
- E. Network Latency
Answer: B
Explanation:
When sizing Dell Unity XT storage solutions, avoiding bottlenecks and improving performance can be achieved by considering the following parameters:
* Port Utilization:Ensuring that the storage system's ports are utilized efficiently helps in distributing the workload evenly across available resources, preventing any single port from becoming a bottleneck.
* Workload Types:Understanding and categorizing different workload types (e.g., random vs. sequential, read vs. write) allows for better allocation of resources and tuning of the storage system to handle specific performance requirements.
References:
* Dell Technologies Unity XT Sizing Guide
* Dell Entry-Level and Mid-Range Storage Community
NEW QUESTION # 66
What occurs immediately before the write is acknowledged to the host in a Dell PowerStore
1000T?
- A. I/O is saved within the node DRAM memory
- B. Information is stored on the nonvolatile media of the NVRAM drives
- C. The peer node is updated
- D. Data is passed through the deduplication and compression logic
Answer: A
Explanation:
Before the write is acknowledged to the host in a Dell PowerStore 1000T, I/O is saved within the node DRAM memory. This is done to ensure that the write operation is successful and so that the data is safely stored in the event of a power failure. The data is then passed through the deduplication and compression logic, and finally stored on the nonvolatile media of the NVRAM drives.
NEW QUESTION # 67
Which block resources are supported with Dell EMC Unity asynchronous replication?
- A. Consistency Groups and file systems
- B. LUNs and file systems
- C. LUNs and VMFS datastores
- D. VMFS and NFS datastores
Answer: B
Explanation:
Reference: https://cdn2.hubspot.net/hubfs/1885982/dell-emc-unity-unisphere- overview.pdf?t=1543339206682
NEW QUESTION # 68
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. Rsync
- B. DataDobi
- C. SANCopy
Answer: B
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 # 69
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. As the system is booted for the first time
- C. When the drive is bound to a storage pool
- D. When the drive is inserted into the array
Answer: C
NEW QUESTION # 70
A customer is using an older host OS that uses a 63-block disk header. What is the recommended host offset when connected to Dell Unity XT systems?
- A. 16 MB
- B. 63 MB
- C. 1 MB
- D. 64 MB
Answer: C
Explanation:
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.
NEW QUESTION # 71
What are the default DRR values in the PowerStore sizing tool for block and file workloads?
- A. Block = 4:1 File = 2:1
- B. Block = 2:1 File = 2:1
- C. Block = 1:1 File = 1:1
- D. Block = 4:1 File = 4:1
Answer: A
Explanation:
In the PowerStore sizing tool, the default Data Reduction Ratio (DRR) values for block and file workloads are Block = 4:1 and File = 2:1. These values represent the expected reduction in data size due to compression and deduplication, which helps in planning the storage capacity and performance requirements effectively.
Reference:Dell PowerStore Sizing Tool Documentation
NEW QUESTION # 72
What is the minimum RPO that can be configured on a Dell Unity XT block-asynchronous replication session?
- A. 5 minutes
- B. 60 minutes
- C. 1 minute
- D. 20 minutes
Answer: A
Explanation:
The minimum RPO (Recovery Point Objective) that can be configured on a Dell Unity XT block- asynchronous replication session is 5 minutes. RPO is a measure of how much data can be lost in the event of a disaster, and it's typically measured in minutes. The lower the RPO, the less data can be lost. Block-asynchronous replication is a replication method that copies data blocks, rather than files, between the source and the target. The data is copied at regular intervals, and if a disaster occurs at any point in time, the data on the target will be no more than 5 minutes old.
The shorter the RPO, the more frequently data is copied and the less data is at risk of being lost in case of a disaster. It's important to note that this is the minimum RPO for block-asynchronous replication, it can be set to a higher value if needed.
NEW QUESTION # 73
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 entered - B. File Operations was not entered
MiB/s was not entered - C. File Operations was not entered
MiB/s was entered - D. File Operations was entered
MiB/s was not entered
Answer: D
NEW QUESTION # 74
Which NVMe SCM drives are supported by Dell PowerStore?
- A. 800 GB and 1.6 TB
- B. 600 GB and 1.2 TB
- C. 400 GB and 1 TB
- D. 375 GB and 750 GB
Answer: C
NEW QUESTION # 75
Which tool creates a switch migration report?
- A. E-Lab Navigator
- B. My Work
- C. Deployment Workbook
- D. ECT
Answer: B
NEW QUESTION # 76
When designing a system to support Oracle OLAP Workload for a new customer with no I/O detailswhat are the default ......
- A. Sequential Read:70% at 8KiB
Sequential write:30% at 8KiB - B. Sequential Read:80% at 8KiB
Sequential write:20% at 8KiB - C. Random Read:50% at 32KiB
Random write:50% at 32KiB - D. Random Read:70% at 8KiB
Random write:30% at 8KiB
Answer: B
NEW QUESTION # 77
While sizing a PowerStore solution with 5 TB usable capacity and 5000 IOPS for a Test/Development Application using NVMe drives,....
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: C
NEW QUESTION # 78
What are the inputs and outputs of the Unity Designer tool?
- A. Inputs: Sales order, Excel configuration guide report, Detailed design Outputs: Sales order, Sizing XML file, System configuration PDF file
- B. Inputs: Sales order, Detailed designExcel configuration guide report Outputs: Sizing XML file, System configuration PDF file
- C. Inputs: Sales order, Sizing XML file, System requirements Excel file Outputs: Detailed designExcel configuration guide report, System configuration PDF file
- D. Inputs: Sales order, Sizing XML file, System configuration PDF file Outputs: Detailed designExcel configuration guide report
Answer: A
NEW QUESTION # 79
What is a Dell recommendation when connecting ESXi hosts to PowerStore?
- A. Use the default 8K host I/O size when using NFS
- B. Configure Round Robin Multipathing with an IOPS limit of 1024
- C. Enable Delayed ACK when configured using iSCSI
- D. Configure a minimum of two NAS server when using vVol Datastores
Answer: D
NEW QUESTION # 80
What is done during the preconfigure step of a PowerStore block import migration?
- A. Source system is added to the PowerStore
- B. Destination volume is created
- C. Import schedule is set
- D. Network connectivity is set up
Answer: A,B,C,D
NEW QUESTION # 81
A user is storing data on the quota tree on a Dell PowerStore system. What can an administrator use to limit the amount of storage that the user consumes?
- A. A bandwidth throttle quota
- B. User quota on the tree quota
- C. A second tree quota
- D. A NAS server quota
Answer: B
Explanation:
An administrator can use a user quota to limit the amount of storage that the user consumes on a Dell PowerStore system. A user quota is a limit that is set on the quota tree, which is a hierarchical structure that organizes storage resources and sets limits on how much storage can be used at each level. The user quota is applied to a specific user or group of users and limits the amount of storage that can be consumed by that user or group of users.
NEW QUESTION # 82
What is a key feature of the Dell EMC Future-Proof Storage Loyalty Program for Dell EMC SC Series arrays?
- A. 4:1 Performance Guarantee
- B. 4:1 Reduction Guarantee
- C. 4:1 Efficiency Guarantee
- D. 4 Year Satisfaction Guarantee
Answer: C
Explanation:
Dell EMC Flash Storage Efficiency Guarantee Dell EMC promises our flash arrays will provide a logical usable capacity at least four times the usable physical capacity of your purchased drives -- or we'll give you more drives at no charge.
https://www.delltechnologies.com/en-us/blog/dell-emc-flash-storage-efficiency/ Reference:
https://www.dell.com/pk/business/p/storage-sc-all-flash/pd
NEW QUESTION # 83
Which tool delivers frequent, dynamic, nondisruptive content updates for a user?
- A. Environment Collection Tool
- B. Live Optics
- C. CloudIQ
- D. My Work
Answer: C
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 # 84
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. Replication and vVols
- B. /QoS
- C. Multi-protocol and Live Volume
- D. Thin Replication and Storage Profiles
Answer: B
NEW QUESTION # 85
When designing a Metro Volume, what configuration must be implemented to avoid unnecessary storage compute resource usage?
- A. Place witness at a third site
- B. Use DRS affinity rules
- C. Use storage containers
- D. Use MRU for PSP
Answer: C
NEW QUESTION # 86
Which two features are supported by the CloudIQ mobile App? (Select 2)
- A. Allows users to email the recommended remediation to a colleague for help with performing the resolution
- B. Overview of health, capacity, and performance details for the supported Dell storage platforms
- C. Allows users to set up access controls by assigning users to predefined roles
- D. Manage capacity, and performance details for the supported Dell storage platforms
Answer: A,B
NEW QUESTION # 87
Which path of the size tool for Dell Unity XT uses predefined configurations that are based on array model capacity points, random workloads RAID type and drive type?
- A. Simple Performance
- B. Advanced Performance
- C. System Designer
- D. Quick Configuration
Answer: D
NEW QUESTION # 88
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