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EMC D-PSC-DS-01 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Cluster Design & Sizing | - Node selection and performance tiers
|
| Topic 2: Data Management & Storage Efficiency | - Snapshots and protection
|
| Topic 3: Data Protection & Availability | - Erasure coding / protection levels
|
| Topic 4: Performance & Scalability | - Cluster scaling behavior
|
| Topic 5: PowerScale Architecture & Fundamentals | - OneFS architecture
|
EMC Dell PowerScale Design v2 Sample Questions:
1. What is the minimum size and the maximum size, respectively, of a single pre-Gen 6 node pool?
A) 4 and 144
B) 3 and 288
C) 3 and 144
D) 4 and 288
2. A potential customer uses a solution from an EMC competitor for NFS storage in their main data center. The existing arrays are five years old, and the customer would like to consolidate them into a single new system.
The entire workload is generated by eight Linux hosts connected to the arrays that process video files. The customer informs you they are not able to collect performance information from the existing arrays.
Which tools can capture the workload requirements?
A) Wireshark and sysstat
B) MiTrends and netmon
C) netstat and esxtop
D) iostat and nfsstat
3. Which type(s) of data is predominately associated with home directories and file shares?
A) SQL database files
B) XML data
C) Oracle directories
D) E-mail files, PPT, Word documents
4. What is the best case performance for Backup Accelerator when backing up to LTO-4 or LTO-5 drives?
A) 1.7 TB/hr
B) 3.4 TB/hr
C) 864 GB/hr
D) 2.6 TB/hr
5. 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 100 TB of RAW capacity. They want to consolidate their PACS, file shares and home directories onto one cluster and require very fast enumeration of the directories. The following are the notes from meetings with the department heads. Which is the best cluster configuration that meets the customer's requirements?
A) 4 x X-Series nodes using SynqIQ to 4 x NL-Series nodes
B) 5 x S-Series nodes
C) 3 x S-Series nodes using SmartPools and 3 x NL-Series nodes for Archive
D) 3 x NL-Series nodes using SynqIQ to 3 x NL-Series nodes
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: A |


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