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EMC E20-554 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network and Connectivity Design | 20% | - Network topology and protocols - Bandwidth and redundancy planning - SmartConnect configuration - Client access protocols (NFS, SMB, HTTP, HDFS) |
| Topic 2: Solution Design and Sizing | 10% | - Workload analysis and requirements gathering - Cluster design best practices - Scalability and expansion planning |
| Topic 3: Isilon Architecture and Concepts | 25% | - Data protection and protection levels - Scale-out NAS architecture - Node types and hardware platforms - OneFS file system fundamentals |
| Topic 4: Capacity and Performance Design | 25% | - SmartPools and tiering strategy - Capacity planning and sizing - Performance requirements analysis - SSD use cases and caching |
| Topic 5: Features and Functionality | 20% | - SnapshotIQ, SyncIQ, SmartQuotas - Deduplication, compression, and data efficiency - Security and authentication - Multi-protocol access and identity management |
EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:
1. A customer has grown 2 PB in the last year. The cluster performs well most times of the day, but occasionally during the day, the customer notices a decrease in performance. You have been told that 'tree-deletes' are taking too long and can only be run on weekends.
What would you recommend to speed up the 'tree-deletes'?
A) Add an SSD node tier for metadata to account for at least 2% of RAW capacity
B) Add 20% more nodes to the cluster to help with degraded performance.
C) Use an A100 node for added CPU performance to help with 'tree-deletes.'
D) Add an SSD tier for metadata, ensuring all nodes have SSDs.
2. -- 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 -
Currently, the workflows are being limited by the network access to the Isilon cluster.
What would result in the fastest possible network throughput?
A) Move analysis infrastructure to dedicated 10G network.
B) Implement jumbo frames.
C) Add four A-Series accelerator nodes.
D) Use LACP to aggregate the network connections.
3. 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) How many NICs do your clients have?
B) What type of racks are in your datacenter?
C) What applications access this storage?
D) Are you using a KVM to access your storage?
4. -- 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 -
The customer wants to be able to put completed content into a non-editable folder. However, they want to give access to an administrator to delete content if required. What do you recommend to the customer?
A) SmartLock using Enterprise mode
B) WORM using Compliance mode
C) SmartLock using Compliance mode
D) SyncIQ with read-only mode
5. 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) Add three or more S-Series nodes
B) Enable SmartConnect Advanced
C) Enable Level 2 caching
D) Upgrade OneFS to the latest version
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: C | Question # 4 Answer: A | Question # 5 Answer: A |



