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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. 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) An IDC study found that Isilon requires 95% less down time hours per year compared to other competitors.
D) Isilon'sOneFS data protection policies offer substantially lower overhead than competitive RAID based NAS solutions.

2. When designing Isilon solutions, what issues should you pay special attention to?

A) Solutions Document Balance technical and business requirements Downstream hand-off Design to meet customer expectations
B) Solutions Document Balance technical and business requirements Provide options Practical vs. theoretical implementations
C) Avoid being too enthusiastic over the technology Balance technical and business requirements Provide options Design to meet customer expectations
D) Workflow Document Solutions Document Application types Data strategy

3. You are asked to size a cluster for a file sharing environment. nfsstat indicates that no more than 10% of the requests are namespace operations (e.g. GETADDR, SETADDR). There will be 10,000 active Linux users, connecting over NFS.
Which cluster configuration would you recommend?

A) Five X400 (120 TB) 96 GB RAM, 2.4 TB SSD, N+2
B) Ten X400 (60 TB) 48 GB RAM, 2.4 TB SSD, N+2:1
C) Eight X200 (36 TB) 24 GB RAM, no SSD, N+2:1
D) Ten X200 (27 TB) 48 GB RAM, 600 GB SSD, N+2:1

4. 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 a single Isilon cluster and utilize Access Zones for authentication to Active Directory and NIS.
C) Configure a single cluster, and migrate Linux users to Windows.
D) Configure two separate clusters, one for Windows clients and the other for Linux.

5. Your customer has an existing Isilon cluster comprised of five NL-Series nodes. They have a new project that will quadruple their current throughput requirements. Upon reviewing reports in InsightIQ, you see that the aggregate external network throughput is peaking at 600MB/s. The customer states that data is only active for the first 7 days, but they keep it indefinitely.
Which recommendation best supports their growth requirements?

A) Add A-Series nodes to the cluster to boost combined network performance.
B) Use the Isilon Sizing Tool to determine GNA requirements, and add NL-Series nodes with SSD to the cluster.
C) Add X-Series nodes to the cluster, and use SmartPools to migrate inactive data to the NL-Series nodes.
D) Add a VNX Unified array for the new project, and use rsync to migrate data to the Isilon cluster for archiving.

Solutions: