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EMC E20-554 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Protection and Availability | - Snapshots, replication, and backup integration - Erasure coding and data protection schemes |
| Topic 2: Performance and Scalability | - Performance optimization techniques - Cluster scaling and workload distribution |
| Topic 3: Solution Design Considerations | - Cluster design and scalability planning - Customer requirements analysis and sizing |
| Topic 4: Implementation and Troubleshooting | - Common issues and troubleshooting methods - Deployment planning and best practices |
| Topic 5: Networking and Protocols | - Network architecture for Isilon clusters - NFS, SMB, and HDFS protocol support |
| Topic 6: Isilon / OneFS Architecture Fundamentals | - OneFS operating system fundamentals - Scale-out NAS architecture concepts |
EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:
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
Correct Answer: A 🗳️
-- 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 S200 nodes with 5 x NL 400 nodes
- B. 4 x X400 nodes with 4 x NL 400 nodes
- C. 4 x S200 nodes with 4 x NL 400 nodes
- D. 4 x X200 nodes with 4 x NL 400 nodes
Correct Answer: B 🗳️
Your customer has observed a degradation in response time while browsing for media files within the Production Media folder on the Isilon cluster. That directory now contains over five million files. It was confirmed that there are no network or edit station related causes.
What changes to the Isilon cluster will best accelerate the browsing performance?
- A. Upgrade network interfaces on the nodes to 10 Gbps
- B. Upgrade RAM on the nodes
- C. Add an A-Series Performance Accelerator node
- D. Add Solid State Drives (SSDs) to the nodes
Correct Answer: D 🗳️
You are assisting a customer with creating an Isilon solution that will address their needs while remaining cost-effective. The customer environment consists entirely of archive data. The data in their enterprise produces very little I/O and is only occasionally accessed.
Which Isilon storage node type will meet the customer's needs?
- A. X-Series node
- B. NL-Series node
- C. Performance Accelerator node
- D. S-Series node
Correct Answer: C 🗳️
Which Isilon feature provides the ability to build a cluster using different node types and tiers to meet a customer's business objectives?
- A. SmartPools
- B. SnapshotIQ
- C. SmartQuota
- D. SmartConnect
Correct Answer: C 🗳️
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