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EMC E20-554 Exam Syllabus Topics:

EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. A potential customer uses a solution from an EMC competitor for NFS storage in their main data center. The existing arrays are five years old, and the customer would like to consolidate them into a single new system. The entire workload is generated by eight Linux hosts connected to the arrays that process video files. The customer informs you they are not able to collect performance information from the existing arrays.
Which tools can capture the workload requirements?

A) netstat and esxtop
B) MiTrends and netmon
C) Wireshark and sysstat
D) iostat and nfsstat

2. A company currently has numerous file servers providing home directories for its employees. Some departments have their own file servers. All corporate users authenticate using Active Directory. The engineering department has their own untrusted AD domain for their file servers.
The company is looking for a consolidated solution that requires minimal changes to the environment, and that creates a single namespace for the home directories.
What is the recommended solution that will meet this company's requirements?

A) Implement an Isilon cluster and utilize Access Zones.
B) Utilize SmartPools to create two pools to separate the domains.
C) Configure two separate clusters, one for each AD domain.
D) Consolidate onto a single cluster and merge the domains.

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 -
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) 4.8 TB
C) 1.2 TB
D) 9.6 TB

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

5. You have had several discussions with your customer in the processor design industry. They have stated that they want a Scale-Out NAS platform for their design environment. Their most significant responses were "We have 125 design engineers accessing large diagrams and we need high throughput to support them. Can we also get the highest performance available? We need to stay ahead of our competitors." Other areas you discussed were their data retention policies and workflow after the chip design is completed. They plan to archive the design files but the files must stay on line.
What is your initial node recommendation?

A) X-Series nodes for the active diagrams and NL 400 nodes for the archives
B) X-Series nodes with SSD for the active diagrams and NL nodes for the archives
C) S-Series nodes for the active diagrams and NL Series nodes for the archives
D) A-Series nodes for the active diagrams and X-Series nodes for the archives.

Solutions: