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EMC E20-554 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Networking and Protocols | - Network topology design - NFS, SMB, and multiprotocol environments - Client access optimization |
| Isilon Architecture and Components | - Node types and cluster design - Data layout and striping methodology - OneFS architecture fundamentals |
| Cluster Design and Sizing | - Capacity planning and workload assessment - Performance considerations - Scale-out design principles |
| System Management and Operations | - Monitoring and maintenance - Upgrades and lifecycle management - Security and access control |
| Data Protection and Availability | - Disaster recovery design - Protection levels and mirroring strategies - Snapshot and backup integration |
EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:
1. Your customer uses an existing Isilon cluster consisting of five NL-Series nodes to source broadcast media files for playback and streaming. The customer reports that the playback pauses and stutters regularly. It has been confirmed that there are no network or playback system issues.
Which is the appropriate choice to resolve the playback issues?
A) Upgrade OneFS to the latest version
B) Enable SmartConnect Advanced
C) Enable Level 2 caching
D) Add three or more S-Series nodes
2. A customer has eight X400 24GB RAM nodes that support 400 client connections. They will be adding 400 more clients in the next few months. They are looking at adding an A-Series node to the cluster to help with client connections.Before they start adding client connections, what hardware change do you recommend?
A) Add more network switches to increase the number of connections
B) Add RAM to the nodes to offset concurrent client connections
C) Add an A100 node to offset concurrent client connections
D) Add nodes with SSD to help with connections
3. -- Exhibit -
We have been engaged by a research hospital to help upgrade their Isilon installation. They currently have 12 previous generation Isilon nodes with 200TB of capacity and run on a 1Gbps network. They currently have 6 Illumina Hi-Seq Sequencers and an HPC cluster to process data. They would like to expand Isilon to 2PB of active data and 1PB of archive data. They use a third party data and metadata management service (IRODs) to stage data for analysis. The Isilon cluster is mainly used for analysis work with the HPC cluster.
-- Exhibit -
Before making any changes, the customer would like a graphical presentation of their existing array performance to present to management.What is the best tool to gather this information?
A) InsightIQ
B) isi_netlogger
C) netstat
D) tcpdump
4. 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) Complete your Solution Design Document and forward to EMC consulting.
B) Validate the Workflow Profile Assessment and test the solution against your findings.
C) Provide the CIO with the findings and gain commitment to a Proof of Concept.
D) Review you assumptions and ask the customer what business issue you're solving.
5. You meet a customer for the first time. They explain that their current environment for NAS does not meet their needs. You want to make sure that Isilon is a good fit for their needs.
What would be a good prequalifying question to ask?
A) What protocols are accessing your NAS?
B) What application are you using to create directories?
C) How many users are in your Directory Services?
D) Is your datacenter ISO9001 compliant?
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: A |






