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EMC E20-554 Exam Syllabus Topics:

EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. A hospital is considering using Isilon to store their archived medical images and genomic sequencing data. They currently have 56 TB of PACS images and 24 TB of genomic data, and expect to double their capacity requirements this year. They will replicate to a DR cluster, and plan to use N+2 protection. The production workload needs to be run at either site.
Which minimum cluster configuration, at each site, including software, would meet this customer's environment?

A) Four NL400 (3 TB drives) nodes with SyncIQ.
B) Seven X200 (3 TB drives) nodes with SyncIQ and SnapshotIQ
C) Five X400 (2 TB drives) nodes with SnapshotIQ.
D) Five X400 (2 TB drives) nodes with SyncIQ.

2. You are designing a new Isilon system to store mobile device video clips. The files average 800MB in size and the application team tells you to plan for up to 15,000 new files per day. The product manager for this new service wants enough capacity for the first year and reminds you that response time for storing and retrieving the files is important for customer satisfaction.
The files will be accessed frequently for the first 48 hours after creation, and then very infrequently after seven days. You plan to use N+2:1 protection, and will configure a SmartPools policy to move inactive files to an archive tier within the cluster.
Which configuration best fits the project requirements?

A) 38 x X400 nodes with 4TB drives and SSD
B) 4 x X200 nodes with SSD; 36 x NL400 nodes with 4TB drives
C) 4 x S200 nodes with SSD; 45 x NL400 nodes with 3TB drives
D) 4 x X400 nodes with 1TB drives; 36 x NL400 nodes with 4TB drives

3. 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) Add S-Series nodes
C) Add SSDs
D) Turn off write cache

4. 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 RAM to the nodes to offset concurrent client connections
B) Add more network switches to increase the number of connections
C) Add nodes with SSD to help with connections
D) Add an A100 node to offset concurrent client connections

5. A media and entertainment company has asked for help in creating a new Video On Demand (VOD) storage system. The storage would be delivered to 5000 subscribers simultaneously. They would like to store 5000 hours of full length, High Definition (HD) movies.
What would be the best price-to-performance node(s) for this solution?

A) X400 with 1.6TB SSD and 24GB RAM
B) X400 with no SSD and 96GB RAM
C) X200 with no SSD and 48GB RAM
D) Mixed X400 48GB RAM and NL400 24GB

Solutions: