[Oct 10, 2024] Free Storage Administrator D-MSS-DS-23 Official Cert Guide PDF Download
EMC D-MSS-DS-23 Official Cert Guide PDF
NEW QUESTION # 108
What is a Dell recommendation when connecting ESXi hosts to PowerStore?
- A. Configure a minimum of two NAS servers when using vVol Datastores.
- B. Use the default 32k host I/O size when using VMware NFS Datastores.
- C. Configure Round Robin Multipathing with an IOPS limit of 1024.
- D. Disable DelayedACK when configured using iSCSI.
Answer: D
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 # 109
AN application owner needs 10 volumes for their application to be created, and they must have snapshots...
Which feature in Dell PowerStore should be used to enable this requirement?
- A. Consistency Groups
- B. Data Groups
- C. Volume Groups
- D. Snapshot Groups
Answer: A
NEW QUESTION # 110
What is the maximum RPO that can be configured on a Dell Unity XT block-asynchronous replication session?
- A. 7 days
- B. 48 hours
- C. 24 hours
- D. 14 days
Answer: C
NEW QUESTION # 111
Drag and Drop Question
In vCenter, what is the correct order of steps to create a VM in a storage container provisioned on a Dell EMC Power Store system?
Answer:
Explanation:
NEW QUESTION # 112
Which NVMe SCM drives are supported by Dell PowerStore?
- A. 375 GB and 750 GB
- B. 800 GB and 1.6 TB
- C. 400 GB and 1 TB
- D. 600 GB and 1.2 TB
Answer: C
NEW QUESTION # 113
Which CPU family is used on a Dell Unity XT 480?
- A. Skylake
- B. Broadwell
- C. Ice Lake
- D. Haswell
Answer: B
Explanation:
The Dell Unity XT 480 storage system uses the Broadwell CPU family. Broadwell processors are known for their efficiency and performance, making them suitable for storage systems like the Unity XT 480 that require reliable processing power for managing storage tasks.
NEW QUESTION # 114
What final operation should be performed after adding a single drive to a Dell Powerstore array?
- A. Back up the Keystore
- B. Verify drive operation
- C. Format the drive
- D. Add it to an existing DRS
Answer: B
Explanation:
This ensures that the drive is properly connected and communicating with the array, and that it is functioning as expected. Additionally, the new drive should be added to an existing DRS (Drive Replacement Set) and if necessary, the keystore should be backed up and the drive should be formatted.
NEW QUESTION # 115
A customer must provision file systems on a Dell Unity XT 480F for a test environment A dynamic pool will be configured with RAID 5......
What is the minimum drive count necessary to create to create this pool?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 116
Which front-end protocol card in Dell Unity XT 380 offloads processing to save CPU cycles for other operations?
- A. 4 port iSCSI module
- B. 4 port Fibre Channel module
- C. CNA for iSCSI
- D. CNA for Fibre Channel
Answer: C
NEW QUESTION # 117
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. Offline availability
- B. Access-based enumeration
- C. Continuous 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 # 118
Which onboard Dell PowerStore components does the LCC interface sit between?
- A. CPU board and NVMe drives
- B. SCM drives and SCSI drives
- C. SCM drives and PCIe
- D. HDD drives and CPU board
Answer: A
Explanation:
The LCC interface sits between the CPU board and the NVMe drives onboard Dell PowerStore components. The LCC interface is responsible for controlling the PCIe links between the CPU board and NVMe drives and allows for communication between the two. It also provides additional features such as error correction and power management for the NVMe drives.
NEW QUESTION # 119
You are adding a Linux host running Oracle to a Dell Unity XT Hybrid array. The customer requires the Oracle application to have low I/O latency and be deployed on available 10K SAS or NL-SAS drives. Which Dell Unity XT feature would meet the customer requirements?
- A. FAST Cache
- B. FAST VP
- C. Dynamic pools
- D. Quotas
Answer: B
NEW QUESTION # 120
What is a Dell recommendation when connecting ESXi hosts to PowerStore?
- A. Configure a minimum of two NAS servers when using vVol Datastores.
- B. Use the default 8k host I/O size when using NFS.
- C. Configure Round Robin Multipathing with an IOPS limit of 1024.
- D. Enable DelayedACK when configured using iSCSI.
Answer: C
Explanation:
* Connecting ESXi Hosts to PowerStore:
* When connecting ESXi hosts to PowerStore, it is crucial to follow best practices to ensure optimal performance and reliability.
* Round Robin Multipathing:
* Dell recommends configuring Round Robin Multipathing with an IOPS limit of 1024. This setting helps balance the load across multiple paths, preventing any single path from becoming a bottleneck and improving overall performance.
* Other Options:
* DelayedACK: Generally not recommended for iSCSI configurations due to potential performance issues.
* Two NAS Servers for vVol Datastores: Not a standard recommendation for general PowerStore-ESXi connectivity.
* Default 8k host I/O size for NFS: Not a specific recommendation for this context.
* Dell Midrange Storage References:
* Dell PowerStore documentation and VMware integration guides provide detailed best practices for connecting ESXi hosts, including multipathing configurations.
References:
* Dell PowerStore Best Practices Guide
* Dell Community on PowerStore and VMware
NEW QUESTION # 121
What is a consequence of using a 1.6 TB drive and five 400 GB drives in a Dell EMC Unity XT dynamic pool?
- A. Unisphere short strokes the 1.6 TB drive to 8 extents
- B. Extents 9 - 19 are marked unavailable and can never be recovered
- C. Extents 9 - 19 are marked unavailable until more 1.6 TB drives are added
- D. Extents 9 - 19 are used to create the RAID Group
Answer: C
Explanation:
Reference: https://www.delltechnologies.com/asset/en-us/products/storage/industry- market/h16289-dell_emc_unity-dynamic_pools.pdf
NEW QUESTION # 122
What initiates an automatic NAS server failover to the peer SP?
- A. SP hardware fault
- B. Network link failure
- C. Resource balancing algorithm
- D. Assisted internal migration
Answer: A
Explanation:
An SP hardware fault initiates an automatic NAS server failover to the peer SP in Dell Unity systems. This ensures that the NAS services remain available in case of hardware failure in one of the Storage Processors (SPs). The failover process is automatic and transparent to the hosts accessing the data, and it helps to maintain the high availability of the NAS services.
NEW QUESTION # 123
What is recommended maximum cable length for PowerStore back-end NVMe cabling to avoid performance issues?
- A. 100 meters
- B. 5 meters
- C. 10 meters
- D. 3 meters
Answer: C
NEW QUESTION # 124
A storage administrator is trying to create a new hybrid pool on their Dell Unity XT 680.
They want to add:
- 18x3.84 TBSSD drives
- 72x 1200 GB 10K SAS drives
- 64x 12 TBNLSAS drives
However, this action is not being permitted by the Unity software.
What is the reason for this?
- A. There are too many disks in the SAS tier
- B. 12 TB NLSAS drives are only permitted in archive pools
- C. 3.84 TB SSD are only supported in all flash pools
- D. The pool must be created with only a single drive type
Answer: C
Explanation:
The storage administrator is not able to create a new hybrid pool on their Dell Unity XT 680 because the 3.84 TB SSD drives are only supported in all flash pools. Dell Unity XT supports the use of SSDs in all-flash pools, where the entire pool is built from SSD drives, to provide high performance for I/O-intensive workloads.
NEW QUESTION # 125
A Dell Unity XT 480F system ships with two embedded modules, one for each SP.
What does the embedded module provide?
- A. Field service only
- B. Management
- C. A Fiber Channel connectivity
- D. CNA connectivity
Answer: B
Explanation:
The embedded module in a Dell Unity XT 480F system provides management functionality for the system, such as control of the storage array, monitoring of system health and performance, and management of storage resources. This embedded module allows you to manage the system through an intuitive web-based interface or via command-line interface.
NEW QUESTION # 126
When designing a Dell EMC SC Series system, which factors regarding general performance are important to understand?
- A. Transport and queue depth
- B. Block size and read size
- C. Write size and latency
- D. Latency and queue depth
Answer: D
Explanation:
"Whether gathering information or designing a system, it is important to understand two commonly used terms: Latency and queue depth"
NEW QUESTION # 127
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. Only half of the capacity of the new drives will be available.
- B. The mixing of drive types is not supported, and the operation will fail.
- C. The full capacity of the drives will be available.
- D. Three of the drives will be added with a fourth reserved as spare.
Answer: C
Explanation:
When the administrator adds 4x 3.84 TB SSD drives to a RAID 5 dynamic pool in a Dell Unity XT 380F system, the full capacity of the new drives will be available. Dell Unity XT systems support mixing different drive sizes within a dynamic pool, allowing administrators to expand the storage capacity seamlessly.
NEW QUESTION # 128
Which disk format is recommended when deploying a Dual-SP Dell Unity VSA?
- A. Thick Provision Eager Zeroed
- B. Thin Provisioned
- C. Thick Provision Lazy Zeroed
Answer: A
Explanation:
When deploying a Dual-SP (Storage Processor) Dell Unity VSA (Virtual Storage Appliance), the recommended disk format is Thick Provision Eager Zeroed. This format pre-allocates storage capacity and zeros out all blocks at the time of creation, which ensures better performance and reliability compared to thin provisioning or lazy zeroed formats. This is especially important for high-performance storage environments.
Reference:Dell Unity VSA Deployment Guide
NEW QUESTION # 129
How many writes per day are SAS Flash 4 drives rated at?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
Explanation:
SAS Flash 4 drives in Dell Unity XT arrays are rated at 1 write per day. This rating indicates the drive's endurance level and how many times the entire drive capacity can be written to per day over its warranty period. This level of endurance is designed to balance performance, cost, and reliability for general-purpose workloads.
NEW QUESTION # 130
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 # 131
......
Free D-MSS-DS-23 Exam Dumps to Improve Exam Score: https://www.realvce.com/D-MSS-DS-23_free-dumps.html
Exam D-MSS-DS-23: New Brain Dump Professional - RealVCE: https://drive.google.com/open?id=13xIFRLLPtXYPCkx_TcuiU1W_Oa-nV1j3