Most UptoDate EMC D-PSC-DS-01 Exam Dumps PDF 2026
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NEW QUESTION # 75
Your customer is moving from a Restaurant/Bar business model to a Restaurant/Casino business model. You are helping architect the upgrade of a current 4-node X200 48 TB Isilon cluster, with 50% utilized for their video surveillance operations.
They want to upgrade from 15 FPS (NTSC) in H.264 codec, with a 15 days retention policy to 30 FPS (NTSC) in H.264 codec, with a 30 days retention policy.
How many nodes of the same type will you need to add in order to meet the required changes and not exceed 70% raw capacity?
- A. 12 nodes
- B. 8 nodes
- C. 4 nodes
- D. 16 nodes
Answer: B
NEW QUESTION # 76
Which operational consideration is used in the Isilon Sizing Tool to determine the recommended data protection?
- A. MTBF
- B. MTTDL
- C. MTTRC
- D. MTTR
Answer: B
NEW QUESTION # 77
Your customer's site uses an old X-Series cluster, and they are interested in consolidating their two primary workflows. iostat shows that one of the applications is sensitive to latency, while isi statistics indicates sensitivity to disk response times. There are approximately 1000 users accessing 70 TB of file data.
Which node type would you recommend?
- A. X200
- B. X400
- C. NL400
- D. S200
Answer: D
NEW QUESTION # 78
Refer to the exhibit.
A large hospital chain has approached you to redesign their storage infrastructure. The head of IT believes their requirement is for 60 TB of RAW capacity. The following are the notes from meetings with the department heads. Which is the minimum cluster configuration that meets the customer's requirements?
- A. 5 S-Series Nodes
- B. 3 S-Series Nodes using SmartPools and 3 NL-Series Nodes for Archive
- C. 3 NL-Series Nodes using SynqIQ to 3 NL-Series Nodes
- D. 4 X-Series Nodes using SynqIQ to 4 NL-Series Nodes
Answer: C
NEW QUESTION # 79
A customer requires 4 PB of media storage with minimal space requirements and is concerned about drive rebuild times.
Which PowerScale capabilities address these concerns?
- A. Dedicated hot spares and short-stroked drives
- B. N+3 and N+4 protection with file-level reprotection that rebuilds 2-3x faster than RAID
- C. Traditional RAID6 with hot spares and manual redistribution
- D. Redundant copies of every file on each node
Answer: B
NEW QUESTION # 80
An eight node F900 PowerScale cluster running OneFS 9.4.0 has a dedicated subnet and IP pool for SMB data traffic. SmartConnect Advanced license is applied. The SMB IP pool consists of LACP aggregated 100 GbE interfaces from all the nodes.
What is the maximum number of SmartConnect Service IPs recommended for the SMB subnet?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 81
Which two auditing capabilities are used in OneFS monitoring? (Select 2)
- A. File permission changes
- B. Post-access
- C. Pre-access
- D. File content changes
Answer: A,B
NEW QUESTION # 82
A customer is implementing a new backup strategy for their two PowerScale clusters. The clusters are in a DR configuration. The customer uses SyncIQ to replicate data from the primary cluster to the DR cluster.
They use CloudPools to tier archival data to a public cloud provider from both clusters. The public cloud provider guarantees a backup of all data that is stored in their cloud.
Which NDMP backup option should be applied to their primary cluster to avoid backing up data that is tiered to their cloud provider?
- A. ShallowCopy
- B. ComboCopy
- C. DeepCopy
- D. NDMP Redirector
Answer: A
NEW QUESTION # 83
Match each sizing feature to its description:
1. NDMP
2. SmartQuotas
3. SmartDedupe
4. Inline Data Reduction
Options:
a) Logical usage enforcement and growth reporting
b) Direct tape backup integration without media servers
c) Scheduled post-process deduplication for capacity optimization
d) Immediate space savings during file writes for compressible data
- A. 1 → d, 2 → c, 3 → b, 4 → a
- B. 1 → a, 2 → c, 3 → b, 4 → d
- C. 1 → a, 2 → b, 3 → c, 4 → d
- D. 1 → b, 2 → a, 3 → c, 4 → d
Answer: D
NEW QUESTION # 84
A customer plans to replace an existing array that is supported by the MiTrend Workload Profile Assessment (WPA) service. You receive performance data from the customer and run a WPA report showing the array has 50 TB of usable capacity.
The content consists of four million 6 MB files and 400 million 64 KB files. The customer has a small budget and very limited rack space available in their datacenter. Performance is not a concern because the files are rarely accessed.
Which configuration provides the required usable capacity using N+2:1 protection while requiring the least rack space?
- A. 3 × A3000 nodes
- B. 5 × H500 nodes
- C. 3 × F600 nodes
- D. 6 × H500 nodes
Answer: A
NEW QUESTION # 85
Refer to the exhibit.
A customer calls you and asks if you could come by and interpret their InsightIQ dat a. You see that namespace reads are 63% of the work load. What would you recommend to help this cluster's namespace performance?
- A. Add SSDs
- B. Turn off write cache
- C. Add A-Series nodes
- D. Add S-Series nodes
Answer: A
NEW QUESTION # 86
Which tool is used to perform a cluster-wide kernel configuration change on a PowerScale Gen6 cluster?
- A. isi_tardis
- B. gconfig
- C. sysct1
- D. isi_for_array
Answer: C
NEW QUESTION # 87
You are designing a cluster for workloads that have a low latency, heavy, random access pattern.
Which node type is designed for this type of workload?
- A. A200
- B. F800
- C. H5600
- D. A2000
Answer: B
NEW QUESTION # 88
Which statement accurately describes the privileges of the OneFS built-in SystemAdmin role?
- A. Can only manage file system operations and must delegate all network management to NetAdmin.
- B. Cannot perform administrative actions in OneFS versions above 8.2.1.
- C. Has full administrative privileges except for security-related tasks, which require the SecurityAdmin role.
- D. Provides zone-specific privileges only and cannot access global cluster configuration.
Answer: C
NEW QUESTION # 89
On an eight node Gen 6 cluster, how are files greater than 128 KB protected?
- A. N+2d:1n
- B. N+3d:1n
- C. 2x mirrored
- D. 3x mirrored
Answer: A
NEW QUESTION # 90
Your customer needs to store seven million 3 MB files that are rarely accessed but require 1.3 Gbps throughput. Their network interfaces are still limited to 1 Gbps.
Which cluster configuration best meets these requirements?
- A. 3 X410 nodes
- B. 5 PowerScale F200 nodes
- C. 3 NL400 nodes
- D. 4 X210 nodes
Answer: B
NEW QUESTION # 91
Which SmartConnect policies are recommended for workloads with short-lived connections, such as HTTP and FTP?
- A. Throughput and CPU usage
- B. CPU usage and Throughput
- C. Connection count and Round robin
- D. Round robin and Connection count
Answer: D
NEW QUESTION # 92
As part of a proof of concept, you are investigating disk performance statistics using the "isi statistics" output.
After reviewing the "TimeAVG" column shown in the graphic, which information should be provided to the customer?
- A. Protocol layer adds minimal latency
- B. Light-to-moderate disk contention exists
- C. I/O is waiting in the disk scheduler
- D. Disks are heavily used
Answer: A
NEW QUESTION # 93
What are valid reasons to use multiple groupnets in a design? (Select all that apply)
- A. Reducing node CPU utilization during high I/O periods
- B. Segregated authentication sources per tenant
- C. Different DNS domains for isolated tenants
- D. Enhanced performance of isi statistics queries
Answer: B,C
NEW QUESTION # 94
Which factors must be considered when designing directory structures for large PowerScale namespaces? (Select all that apply)
- A. Expected number of files per directory
- B. Network VLAN segmentation
- C. Depth of directory hierarchy for application access patterns
- D. Choice of antivirus scanning vendor
Answer: A,C
NEW QUESTION # 95
A customer is running OneFS 8.0 on an Isilon cluster exclusively consisting of NL400 nodes. The storage administrator recently heard that in OneFS 8.1.2 it is possible to use larger journals for higher performance.
What should you advise the storage administrator?
- A. Migrate all data from the current Isilon cluster to an H500 cluster
- B. Replace the batteries of the battery backed volatile storage with NiMH batteries
- C. Add SSDs to all nodes of the existing cluster and upgrade to OneFS 8.1.2
- D. Add A2000 nodes to the existing Isilon cluster and upgrade to OneFS 8.1.2
Answer: D
NEW QUESTION # 96
In a cluster with N+2 protection, which type of object would be triple mirrored automatically when written to the OneFS file system?
- A. All files smaller than 256 KB
- B. All files smaller than 128 KB
- C. All files smaller than 1 MB
- D. All files smaller than 512 KB
Answer: B
NEW QUESTION # 97
A customer requires a backup to tape of their Isilon cluster. They want advice on whether to implement a two-way NDMP solution or a three-way solution. The front-end network must be used to stream data to the backup solution.
Which cost-effective solution will meet their needs?
- A. Three-way including a Backup Accelerator
- B. Two-way including a Backup Accelerator
- C. Three-way without a Backup Accelerator
- D. Two-way without a Backup Accelerator
Answer: B
NEW QUESTION # 98
Considering Hadoop CDR workflows requiring balanced performance and scalability, which PowerScale node type is recommended?
- A. F900 all-flash nodes
- B. A2000 archive nodes
- C. F200 entry-performance nodes
- D. H600 hybrid nodes
Answer: D
NEW QUESTION # 99
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