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EMC E20-554 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Isilon Architecture and Concepts | 25% | - Data protection and protection levels - Node types and hardware platforms - OneFS file system fundamentals - Scale-out NAS architecture |
| Topic 2: Solution Design and Sizing | 10% | - Cluster design best practices - Workload analysis and requirements gathering - Scalability and expansion planning |
| Topic 3: Network and Connectivity Design | 20% | - Bandwidth and redundancy planning - Client access protocols (NFS, SMB, HTTP, HDFS) - SmartConnect configuration - Network topology and protocols |
| Topic 4: Features and Functionality | 20% | - Deduplication, compression, and data efficiency - Multi-protocol access and identity management - SnapshotIQ, SyncIQ, SmartQuotas - Security and authentication |
| Topic 5: Capacity and Performance Design | 25% | - Capacity planning and sizing - SSD use cases and caching - SmartPools and tiering strategy - Performance requirements analysis |
EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:
1. You are reviewing an opportunity with a trusted advisor. You both discover gaps in the initial solution design.
Each iterative discussion with the customer helps you define the solution better. The documents produced capture the customer's requirements.
What else needs to occur to refine the sizing considerations?
A) Validate the Workflow Profile Assessment and test the solution against your findings.
B) Provide the CIO with the findings and gain commitment to a Proof of Concept.
C) Review you assumptions and ask the customer what business issue you're solving.
D) Complete your Solution Design Document and forward to EMC consulting.
2. -- Exhibit -
A European Sports TV network is considering Isilon for their Media Edit Storage for their editing workloads. They are also considering Isilon for near-line media archiving.
The network receives XDCAM HD footage which is loaded onto their existing Transcoding Storage platform. New footage that needs to be edited will be transferred from their Transcoding Storage platform to the proposed Media Edit Storage platform at the rate of ten simultaneous XDCAM HD files via FTP. Edited files will be transferred back to the Transcoding Storage platform at the rate of ten simultaneous XDCAM HD files via FTP.
The network currently has 15 Final Cut Pro edit stations, 15 Avid edit stations. Proxy software will be used to allow Isilon to act as the storage for the Final Cut Pro and Avid media. Three of those edit stations will be performing content compositing as needed.
The network expects 70 hours of new content per week, and 50 hours of edited content per week. They intend to keep the new and edited content on the proposed Media Edit Storage as a performance tier for 30 days. They would like to retain all new and edited footage proposed Media Edit Storage as a near-line tier for two years.
In addition to the current workloads, the network expects to implement a new Media Asset Management (MAM) solution and has requested the Isilon cluster be capable of supporting 120 MBps read and 120 MBps write to support the MAM requirements.
-- Exhibit -
Refer to the exhibit.
Based on the described use of the cluster, which node combination is the appropriate choice for the customer's requirements?
A) 4 x X200 nodes with 4 x NL 400 nodes
B) 4 x S200 nodes with 5 x NL 400 nodes
C) 4 x S200 nodes with 4 x NL 400 nodes
D) 4 x X400 nodes with 4 x NL 400 nodes
3. You are sizing an Isilon cluster for a new customer. Analyzing their workflow you determine that they have a large block random read workload.What is the most important factor to consider when sizing this solution?
A) Bandwidth
B) Latency
C) IOPS
D) Headroom
4. Refer to the exhibit.
A customer calls you and asks if you could come by and interpret their InsightIQ data. You see that namespace reads are 63% of the work load.
What would you recommend to help this cluster's namespace performance?
A) Add A-Series nodes
B) Turn off write cache
C) Add S-Series nodes
D) Add SSDs
5. You set up a meeting to gather information on a new project with the IT manager and plan to use a workflow profile assessment (WPA) to document the requirements.
Why is it recommended to talk to as many stakeholders as possible?
A) Helps downstream personnel, such as implementation and delivery, to have a clearer understanding of the requirements.
B) Completing this document gives sales a list of who the stakeholders are at customer site.
C) Using the WPA tool will give you the best "big picture" to see things such as block size, de-dupe, file size and volumes.
D) Using workflow profile enables sales to take this information to EMC consulting for review to validate the configuration.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: A |
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