D-MSS-DS-23 Questions - Truly Beneficial For Your EMC Exam (Updated 236 Questions)
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NEW QUESTION # 15
When designing a Metro Volume, what configuration must be implemented to avoid unnecessary storage compute resource usage?
- A. Use storage containers
- B. Use DRS affinity rules
- C. Use MRU for PSP
- D. Place witness at a third site
Answer: A
NEW QUESTION # 16
When designing a Dell EMC SC Series system, which factors regarding general performance are important to understand?
- A. Latency and queue depth
- B. Write size and latency
- C. Block size and read size
- D. Transport and queue depth
Answer: A
Explanation:
"Whether gathering information or designing a system, it is important to understand two commonly used terms: Latency and queue depth"
NEW QUESTION # 17
What is the maximum number of thin clones per base LUN within Dell Unity XT?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
The maximum number of thin clones per base LUN within Dell Unity XT is 32. Thin clones are efficient copies of a LUN (Logical Unit Number) that share the same underlying storage blocks, allowing for quick and space-saving creation of additional LUNs based on the same data. Reference:Dell Unity XT Thin Cloning Guide
NEW QUESTION # 18
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 Dell PowerStore Manager Ul to determine if more NVRAM is needed
- B. Use the DSA ordering system to determine if more NVRAM is supported for the PowerStore model
- C. The 1000T only supports two NVRAM modules
- D. Another NVRAM is only needed if adding an expansion shelf
Answer: A
Explanation:
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.
NEW QUESTION # 19
What is the maximum supported drive configuration in the base enclosure of the PowerStore 3200T?
- A. 21 x NVMe SCMs 4 x NVMe NVRAM
- B. 23 x NVMe SSDs 2 x NVMe NVRAM
- C. 21 x NVMe SSDs 2 x NVMe NVRAM
- D. 23xNVMe SCMs 2 x NVMe NVRAM
Answer: B
Explanation:
The maximum supported drive configuration in the base enclosure of the PowerStore 3200T includes 23 NVMe SSDs and 2 NVMe NVRAM. This configuration provides high performance and low latency, suitable for demanding workloads.
NEW QUESTION # 20
Which describes the Dell Unity XT MetroSync replication topology?
- A. A source block resource replicating synchronously from Site A to Site B and replicating asynchronously from Site A to Site C
- B. A source block resource replicating synchronously from Site A to Site B and replicating synchronously from Site A to Site C
- C. A source file resource replicating synchronously from Site A to Site B and replicating synchronously from Site A to SiteC
- D. A source file resource replicating synchronously from Site A to Site B and replicating asynchronously from Site A to Site C
Answer: C
Explanation:
Dell Unity XT MetroSync replication topology is a multi-site replication solution that allows you to replicate data synchronously between two or more Unity XT systems. In this topology, a source file resource is replicated synchronously from Site A to Site B, and also replicated synchronously from Site A to Site C; This means that data is written to the primary site and immediately replicated to the secondary site, ensuring that both sites have an exact copy of the data at all times. This type of topology is useful in cases where data loss is not acceptable and a zero RPO is needed. This topology ensures that the data is fully protected and that the environment is highly available, as in case of a primary site failure, the secondary site can take over.
NEW QUESTION # 21
Which options are valid Mezzanine card choices on a Dell PowerStore in a multi-appliance cluster?
- A. 4-port 16 Gb FC card or 4-port 32 Gb FC card
- B. Mixed 2-port 25 GbE SFP and 2-port 10GBaseT card
- C. 4-port 25 GbE SFP-based card or 4-port 10GBaseT card
- D. Mixed 2-port 32 Gb FC and 2-port 25 GbE card
Answer: C
NEW QUESTION # 22
A Dell PowerStore protection policy contains two snapshot rules and one replication rule? Which storage resources will run only the snapshot rules?
- A. Volume Groups and File Systems
- B. Volumes and Volume Groups
- C. Virtual Machines and File Systems
- D. Virtual Machines and File Servers
Answer: C
NEW QUESTION # 23
Which two options are minimum requirements for PowerSizer Block workloads? (Select 2)
- A. Split Workload
- B. Effective Capacity
- C. Performance Growth
- D. Capacity Growth
- E. Performance
Answer: D,E
Explanation:
The minimum requirements for PowerSizer Block workloads include Capacity Growth and Performance.
These parameters are essential to ensure that the PowerSizer tool can accurately size and configure the storage system to meet the anticipated data growth and performance demands of the workload.
NEW QUESTION # 24
A technical architect is designing a Dell Unity storage solution. The customer has a monthly data access profile where block data is accessed infrequently. The data is accessed frequently for a few days during month-end reporting.
Based on best practices which solution should the technical architect recommend?
- A. A single-tier solution using 10k drives
- B. An All-Flash solution using FAST VP and FAST Cache
- C. A hybrid solution using FAST VP and FAST Cache
- D. A hybrid solution using data progression
Answer: C
Explanation:
Based on the customer's monthly data access profile, where block data is accessed infrequently but frequently during month-end reporting, the technical architect should recommend a hybrid solution using FAST VP and FAST Cache. FAST VP (Fully Automated Storage Tiering for Virtual Pools) is a feature that automatically tiers data across different types of storage media based on access patterns. With FAST VP, frequently accessed data will be automatically moved to faster storage media such as flash, while infrequently accessed data will be moved to slower, less expensive storage media such as disk. FAST Cache is a feature that increases the performance of Unity storage systems by caching frequently accessed data on flash storage. With this hybrid solution, the customer will have the best of both worlds:
high-performance flash storage for frequently accessed data, and lower-cost disk storage for infrequently accessed data. This will help the customer to improve performance during month-end reporting and save costs for infrequently accessed data. It's important to note that this design should be evaluated based on the specific requirements, workloads and expected growth of the customer.
NEW QUESTION # 25
What is the minimum number of drives in a RAID 6 dynamic pool?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C,D
Explanation:
* RAID 6 Dynamic Pool Configuration:
* RAID 6 provides high data protection by using double parity, allowing for two drive failures without data loss.
* Minimum Number of Drives:
* A RAID 6 dynamic pool in Dell Unity XT systems requires a minimum of 8 drives to configure.
This includes 2 drives for parity and 6 drives for data storage.
* Drive Configuration:
* The minimum configuration ensures that the system can provide the necessary data protection and redundancy while maintaining performance.
* Dell Midrange Storage References:
* Dell Unity XT documentation provides detailed guidelines on RAID configurations and the minimum requirements for various RAID levels.
* Community forums and support resources from Dell Technologies offer additional insights into RAID setup and best practices.
References:
* Dell Unity XT RAID Configuration Guide
* Dell Community on RAID Configurations
NEW QUESTION # 26
A customer has a data center with 30 different applications running on 30 volumes presented from PowerStore. They want to design a DR site within 300 km with 15 min RPO using storage-based asynchronous replication. Which protection policy design leads to most stable storage performance?
- A. Create 15 protection policies that are assigned to a pair of volumes, each scheduled with a oneminute shift from each other.
- B. Create 30 protection policies that are assigned to a single volume, each scheduled with a one minute shift from each other.
- C. Create a single protection policy assigned to 30 volumes, each scheduled with a five minute shift from each other.
- D. Create two protection policies that are assigned to 15 volumes, each scheduled with a five minute shift from each other.
Answer: C
Explanation:
In a scenario where a customer needs to design a DR site with a 15-minute RPO using storage-based asynchronous replication, creating a single protection policy assigned to 30 volumes with a five-minute shift between each volume is the most stable design. This approach ensures that the replication load is evenly distributed over time, minimizing the impact on storage performance.
NEW QUESTION # 27
What is Dell's recommendation for scheduling FAST VP relocation?
- A. After backups or nightly batch processing
- B. Before and After backups or nightly batch processing
- C. Before backups or nightly batch processing
- D. During backups or nightly batch processing
Answer: C
Explanation:
Dell recommends scheduling FAST VP (Fully Automated Storage Tiering for Virtual Pools) relocations before backups or nightly batch processing to ensure optimal performance. This scheduling helps to avoid conflicts and performance degradation that can occur if relocation tasks compete for resources during critical data operations such as backups. Pre-scheduling these relocations ensures that the storage system is balanced and ready for intensive operations without impacting performance.
NEW QUESTION # 28
What non-Dell product reports can be generated using My Work?
- A. HP EVA and IBM SVC
- B. HDS and 3PAR
- C. 3PAR and IBM XIV
- D. NetApp and HDS
Answer: D
Explanation:
* My Work Reporting Capabilities:
* My Work is a Dell EMC tool that allows for the generation of various reports, including those from non-Dell storage products.
* It provides a unified view and management capabilities for a range of storage systems, enhancing cross-platform monitoring and reporting.
* Supported Non-Dell Products:
* My Work can generate reports for a variety of non-Dell storage systems. Among the options listed, NetApp and Hitachi Data Systems (HDS) are supported for this purpose.
* HP EVA, IBM SVC, 3PAR, and IBM XIV are not mentioned as directly supported in the context of My Work reporting capabilities within the provided references.
* Dell Midrange Storage References:
* Dell EMC documentation and product guides detail the interoperability and reporting features of My Work, highlighting supported third-party storage systems.
* Resources from Dell Technologies' support and community forums provide additional validation.
References:
* Dell EMC My Work Documentation
* Dell Community on Storage Reporting
NEW QUESTION # 29
What is Dell recommendation for scheduling FAST VP relocation?
- A. After backups or nightly batch processing
- B. Before and After backups or nightly batch processing
- C. Before backups or nightly batch processing
- D. During backups or nightly batch processing
Answer: C
NEW QUESTION # 30
A customer has two Dell S4148FON switches which are not connected to each other. The customer wants to use SMB to present NAS data directly from the array to their users. The solution must have resilience in case a switch outage occurs Which solution should the technical architect recommend?
- A. Dell PowerStore100X
- B. Dell PowerVault ME4
- C. Dell Unity XT 480
- D. Dell PowerStore 1000T
Answer: C
NEW QUESTION # 31
Which Dell Unity XT DPE front-end port connectivity can support to 45000 IOPS/port and up to 1500 MB/s?
- A. 16 Gb FC
- B. 10 GbE iSCSI and 16 Gb FC
- C. 16 Gb FC and 25 GbE iSCSI
- D. 25 GbE iSCSI
Answer: C
Explanation:
Dell Unity XT DPE (Disk Processor Enclosure) front-end port connectivity options that can support up to
45000 IOPS per port and up to 1500 MB/s include both 16 Gb Fibre Channel (FC) and 25 GbE iSCSI. These connectivity options provide the necessary performance and bandwidth to handle high IOPS and throughput demands:
* 16 Gb Fibre Channel (FC):Known for high performance and low latency, 16 Gb FC ports are widely used in enterprise storage environments to support high IOPS and bandwidth.
* 25 GbE iSCSI:25 Gigabit Ethernet iSCSI ports offer high-speed connectivity for IP-based storage networks, capable of supporting high throughput and IOPS requirements.
References:
* Dell Technologies Unity XT Specifications
* Dell Entry-Level and Mid-Range Storage Community
NEW QUESTION # 32
What tool automates the collection of host configuration data?
- A. SolVe
- B. SupportAssist
- C. Grab
- D. My Work
Answer: C
NEW QUESTION # 33
What is a Dell recommendation when connecting ESXi hosts to PowerStore?
- A. Disable DelayedACK when configured using iSCSI.
- B. Configure a minimum of two NAS servers when using vVol Datastores.
- C. Configure Round Robin Multipathing with an IOPS limit of 1024.
- D. Use the default 32k host I/O size when using VMware NFS Datastores.
Answer: A
Explanation:
Dell recommends disabling DelayedACK when configuring ESXi hosts using iSCSI to connect to PowerStore systems. DelayedACK can cause performance degradation and connectivity issues in iSCSI environments. By disabling DelayedACK, the communication between the ESXi host and the PowerStore array becomes more efficient, leading to better performance and reliability.
NEW QUESTION # 34
What are the two biggest factors that determine IOPS when using SSDs in a Dell EMC SC Series array?
- A. Application block size and overall throughput
- B. Multi-tenant arrays and tier configuration
- C. Read/write percentage and peak workload
- D. Current latency and queue depth
Answer: A
Explanation:
The reason there is such a large range in the number of IOPS delivered by SSDs is the IOPS are truly dependent on the type of traffic the SC Series was designed to handle. The two biggest factors that will determine IOPS in an SSD environment are block size of the application and overall throughput. Reference: https://downloads.dell.com/manuals/common/sc-series- performance-availability-best-practices-dell-emc-4024-bp-sc_en-us.pdf
NEW QUESTION # 35
What drive type is recommended for storing inactive data on a Dell Unity XT 880F array?
- A. SAS Flash
- B. NL-SAS
- C. SAS 10K
Answer: A
NEW QUESTION # 36
What is the minimum number of IP addresses required for the initial configuration of a stand- alone PowerStore T?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 37
What activity is initiated along with the site evaluation to ensure the solution being sold is supported in a customer environment?
- A. Remediation
- B. Implementation
- C. Design
- D. Sizing
Answer: A
NEW QUESTION # 38
What is the maximum number of snapshot rules that can be associated with a Dell PowerStore protection policy?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 39
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