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EMC E20-554 Exam Syllabus Topics:

EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

Question 1

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

Question 2

A customer has grown 2 PB in the last year. The cluster performs well most times of the day, but occasionally during the day, the customer notices a decrease in performance. You have been told that 'tree-deletes' are taking too long and can only be run on weekends.
What would you recommend to speed up the 'tree-deletes'?

A. Add an SSD node tier for metadata to account for at least 2% of RAW capacity
B. Add an SSD tier for metadata, ensuring all nodes have SSDs.
C. Use an A100 node for added CPU performance to help with 'tree-deletes.'
D. Add 20% more nodes to the cluster to help with degraded performance.

Question 3

In your second meeting with the customer you ask the following questions about their current unified SAN and NAS platform.
"Are you using an application to map users from NFS Exports to SMB shares? Is each site a separate LDAP or AD Domain?"
What functionality are you trying to understand in their environment and what is the comparable feature in IsilonOneFS?

A. Kerberos Infrastructure and Identity Management
B. NFS Export Management and OneFS Cluster Management
C. User Management and AD Authentication
D. Identity Mapping and Authentication Sources

Question 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 two separate clusters, one for Windows clients and the other for Linux.
D. Configure a single cluster, and migrate Linux users to Windows.

Question 5

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. Three X400 (3 TB drive) nodes
B. Five X200 (3 TB drive) nodes
C. Four NL400 (2 TB drive) nodes
D. Five NL400 (1 TB drive) nodes

Solutions: