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EMC E20-554 Exam Syllabus Topics:

EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. A company currently has multiple fileservers to provide home directories for its employees. Each department has a separate fileserver. Most corporate users are on Windows clients and utilize Active Directory, except for the Engineering department, which uses Linux and NIS for authentication. The company is looking for a solution with minimal administrative overhead and a single namespace for the home directories.
What is the recommended solution that will meet this company's requirements?

A) Utilize SmartPools to create two different FilePools, and separate Windows users from Linux users.
B) Configure two separate clusters, one for Windows clients and the other for Linux.
C) Configure a single cluster, and migrate Linux users to Windows.
D) Configure a single Isilon cluster and utilize Access Zones for authentication to Active Directory and NIS.

2. You are reviewing an opportunity with a trusted advisor. You both discover gaps in the initial solution design.
Each iterative discussion with the customer helps you define the solution better. The documents produced capture the customer's requirements.
What else needs to occur to refine the sizing considerations?

A) Complete your Solution Design Document and forward to EMC consulting.
B) Provide the CIO with the findings and gain commitment to a Proof of Concept.
C) Validate the Workflow Profile Assessment and test the solution against your findings.
D) Review you assumptions and ask the customer what business issue you're solving.

3. 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

4. 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 SSDs
B) Add S-Series nodes
C) Add A-Series nodes
D) Turn off write cache

5. Your customer's initial use case was Home Directories. They implemented the cluster with four 1Gbps ports and LACP. They are planning to expand their cluster to support their core file services. They plan to upgrade their network infrastructure to 10 GbE to facilitate this.
What are two design impacts this change will have?

A) Maximum performance is obtained by only using a single 10GbE interface per node. Isilon can support up to 400MB/s per node
B) Dual 10GbE ports on each node will enable throughput of 20Gbps. Only connect half of the nodes to the network.
C) Maximum performance is obtained by only using a single 10GbE interface per node. LACP and multiple links may be used to increase redundancy, but will not provide more overall performance to the system
D) LACP and multiple links may be used to increase redundancy, but will not provide more overall
performance to the system.
FCoE should be considered for the External Network Ports on the nodes.

Solutions: