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EMC D-PSC-DS-23 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network and Security Design | 15% | - Infrastructure Integration
|
| Topic 2: PowerScale Architecture and Components | 18% | - PowerScale Fundamentals
|
| Topic 3: Protocols and Data Access | 15% | - Client Connectivity Design
|
| Topic 4: PowerScale Solution Design | 35% | - Capacity and Performance Planning
|
| Topic 5: Data Protection and Business Continuity | 17% | - Protection Strategies
|
EMC Dell PowerScale Design 2023 Sample Questions:
1. 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.
Which storage capacity would be the best suited to meet the required changes and utilize 65-75% capacity?
A) 140 TB
B) 110 TB
C) 50 TB
D) 80 TB
2. A customer has a 5 node Isilon cluster. The raw capacity of the cluster is 85% used. On average, the cluster has 4,000 users connected during office hours. The average CPU usage is 65%. The customer needs to delete some data to free up capacity.
What should the customer do to minimize the effect of the deletion job?
A) Run the treedelete job with a high impact and high priority during out-of-office hours.
B) Run the treedelete job with the default impact and priority during out-of-office hours.
C) Delete the data from a client directly connected to the cluster
D) Run the treedelete job with a high impact and high priority during office hours.
3. A healthcare services provider is implementing an X-Series cluster. Currently they have approximately 200 customers and they are growing at 30% per year. They have 200 TB of storage utilized.
Health Insurance Portability and Accountability Act (HIPAA) regulations require they keep all patient data for seven (7) years. They would like to keep all genomic sequencing data stored with N+3 protection, not to exceed 75% utilization.
What is the minimum initial configuration you would recommend?
A) 13 X400 nodes; 1 TB drives
B) 6 X400 nodes; 4 TB drives
C) 7 X400 nodes; 1 TB drives
D) 13 X200 nodes; 3 TB drives
4. A potential customer is considering replacing a four year old, Linux-based NFS server with 40TB of usable capacity. The existing system supports home directories, an internal website, and a content repository for the customer's content management system.
The customer is concerned about performance of any new solution because they expect to double workload in the content management system.
What tools can be used to collect performance data needed to size the new solution?
A) Syslog and vmstat
B) Iostat and nfsstat
C) Isi statistics and Wireshark
D) Perfmon and sysstat
5. Which two auditing capabilities are used in OneFS monitoring? (Select 2)
A) Post-access
B) Pre-access
C) File content changes
D) File permission changes
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: C,D |







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