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EMC E20-554 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Network and Connectivity Design | 20% | - Client access protocols (NFS, SMB, HTTP, HDFS) - Network topology and protocols - SmartConnect configuration - Bandwidth and redundancy planning |
| Capacity and Performance Design | 25% | - SSD use cases and caching - SmartPools and tiering strategy - Capacity planning and sizing - Performance requirements analysis |
| Features and Functionality | 20% | - SnapshotIQ, SyncIQ, SmartQuotas - Security and authentication - Multi-protocol access and identity management - Deduplication, compression, and data efficiency |
| Isilon Architecture and Concepts | 25% | - Node types and hardware platforms - Scale-out NAS architecture - Data protection and protection levels - OneFS file system fundamentals |
| Solution Design and Sizing | 10% | - Workload analysis and requirements gathering - Scalability and expansion planning - Cluster design best practices |
EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:
1. -- 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 -
The customer will add two more Illumina Hi-Seq Sequencers in the next 6 months.
Once these are added, what is the total amount of data from all the sequencers they can expect to add per month?
A) 14.4 TB
B) 9.6 TB
C) 4.8 TB
D) 1.2 TB
2. A hospital is considering using Isilon to store their long-term archive data for their PACS application. They currently have two million 17 MB studies. They expect capacity requirements to be 50% compounded growth per year. They plan to use N+2:1 protection, and would like this sized for three years of growth.Which minimum cluster configuration would meet this customer's environment?
A) Four NL400 (2 TB drive) nodes
B) Three X400 (3 TB drive) nodes
C) Five X200 (3 TB drive) nodes
D) Five NL400 (1 TB drive) nodes
3. Your customer is looking for a storage solution that will be able to store seven million 3 MB files which are written and seldom accessed. Read and write operations are both completed by a web-based application, which requires 1.3 Gbps throughput. The customer's network has not been upgraded in many years, so the network interfaces are 1 Gbps.
What would be the best solution for this network configuration?
A) Bond EXT-0 across all nodes.
B) Aggregate Infiniband (IB) ports across all nodes.
C) Use jumbo frames to compensate for the 1GB Core network.
D) Use LACP to aggregate the network ports on each node.
4. A customer is making a decision between Isilon and a competitor's offering. They currently have 100TB of usable capacity and are forecasting 100% growth per year for the next three years, which will require them to lease additional space in their co-located data center. The CFO finds ROI and TCO to be important decision criteria.
Which statement best emphasizes the value of Isilon for this customer?
A) Isilon'sOneFS allows administrators to manage much larger amounts of capacity than competitive offerings.
B) The competition cannot offer a scale-out NAS so as capacity is added to the array, performance may degrade.
C) Isilon'sOneFS data protection policies offer substantially lower overhead than competitive RAID based NAS solutions.
D) An IDC study found that Isilon requires 95% less down time hours per year compared to other competitors.
5. A company wants to reduce the footprint in their data center. They recently completed a proof of concept with Hadoop using Direct Attached Storage (DAS) for their Big Data initiative. You have determined that incorporating an Isilon cluster into their Hadoop environment would help in reducing this footprint.Which Hadoop components can be consolidated onto the Isilon cluster to reduce the footprint?
A) DataNode and NameNode
B) NameNode and TaskTracker
C) ComputeNode and NameNode
D) DataNode and ComputeNode
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: A |
