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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. Refer to the exhibit.

You are analyzing a customer's existing Isilon environment using isi statistics in order to expand the cluster. When examining the protocol subcommand, you see the output as shown in the exhibit.
What does the data tell you about the workload?

A) It uses large read requests.
B) It is metadata intensive.
C) It is mostly sequential reads.
D) It contains mostly random writes.

2. Your customer purchased an Isilon cluster with eight X400 nodes for Home Directories. Your follow-up discussions have uncovered an opportunity to expand the cluster to support the Legal Department. As you prepare to complete the Workflow Profile Document, you meet with the customer to discuss data protection.
Which key areas should you address?

A) Default cluster protection level Backup windows and processes Concurrency of user access
B) WORM requirements Network ports for replication Snapshots for user restores
C) Protocols (SMB, NFS, FTP, HTTP, HDFS) Authentication and Directory Services Performance and latency concerns
D) Default cluster protection level Additional directory level protections Snapshots and replication

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

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 nodes with SSD to help with connections
D) Add more network switches to increase the number of connections

5. A four-node Isilon cluster is being used in a Hadoop workflow with a parity protection of N+2:1. The HDFS protocol has been enabled and is being used to access data.
According to EMC best practices, how many additional many additional copies of data are written into the Isilon cluster using HDFS?

A) None
B) Two
C) Three
D) One

Solutions: