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EMC D-PSC-DS-23 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Storage Management and Data Services | - SmartPools tiering and data placement - Data lifecycle management - Protocol support (NFS, SMB, HDFS) |
| Topic 2: Cluster Design and Planning | - Sizing and capacity planning - Scalability considerations - Workload assessment and performance design |
| Topic 3: PowerScale Architecture and Concepts | - OneFS architecture overview - File system layout and data flow - Cluster components and node types |
| Topic 4: Networking Design for PowerScale | - Client access and load balancing - SmartConnect configuration concepts - Network topology design |
| Topic 5: Monitoring, Troubleshooting, and Optimization | - Performance monitoring tools - Cluster health diagnostics - Common design troubleshooting scenarios |
| Topic 6: Data Protection and Availability | - Failure domains and resilience design - Erasure coding and replication strategies - Snapshot and snapshotIQ concepts |
| Topic 7: Security and Access Control | - Authentication and authorization methods - Data encryption and security design - Role-based access control concepts |
EMC Dell PowerScale Design 2023 Sample Questions:
1. Refer to the exhibit.
Which tool was used to create this output and which line item counts the metadata read operations occurring in the file service?
A) nfsstat and getattr
B) tcpdump and nfsstat
C) isi_netlogger and commit
D) iostat and fsstat
2. What is the behavior of the Isilon time and date settings and what is the best practice?
A) NTP service takes precedence over SMB time sync SMB time is enabled by default on the cluster Best Practice: do not use NTP time, use SMB for cluster and Domain Controller
B) SMB time sync takes precedence over the NTP service SMB time is enabled by default on the cluster Best Practice: do not use SMB time, use NTP for cluster and Domain Controller
C) NTP service takes precedence over SMB time sync SMB time is enabled by default on the cluster Best Practice: do not use SMB time, use NTP for cluster and Domain Controller
D) SMB time sync takes precedence over the NTP service SMB time is not enabled by default on the cluster Best Practice: do not use NTP time, use SMB for cluster and Domain Controller
3. A customer has a cluster running with a single access zone and serves multiple internal departments.
The clients access the cluster over both SMB and NFS protocols. A department user has been assigned the task of auditing SMB activity and enforcing appropriate quotas for certain users.
How should the cluster administrator grant this access?
A) Provide the SecurityAdmin RBAC role
B) Provide the AuditAdmin RBAC role
C) Create a secondary root account credential
D) Create a custom RBAC role
4. 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) 4 nodes
B) 12 nodes
C) 8 nodes
D) 16 nodes
5. What happens to worker threads running on the same node when there is an excessive number of workers running at the same time?
A) Impact level of workers is decreased
B) Workers are queued
C) Workers are paused
D) Priority level of workers is decreased
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: B |


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