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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. Your customer uses an existing Isilon cluster consisting of five NL-Series nodes to source broadcast media files for playback and streaming. The customer reports that the playback pauses and stutters regularly. It has been confirmed that there are no network or playback system issues.
Which is the appropriate choice to resolve the playback issues?

A) Enable SmartConnect Advanced
B) Add three or more S-Series nodes
C) Enable Level 2 caching
D) Upgrade OneFS to the latest version

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

3. Refer to the exhibit.

Your customer has three different clusters. File systems on two of the clusters are at 90% full, and the largest cluster is 10% full. Active data resides on the largest cluster. The customer has five different node types totaling 2PB and 54 nodes. Nodes from left to right are as shown:
1. X200
2.12000X
3.36000X
4.NL108
5.108NL
They have a Smartpool license and believe that tiering data would help free up needed space.
After talking with the customer and explaining the use of SmartPools, how would you recommend optimizing utilization across all of the nodes that the customer owns?

A) Explain to the customer that this will result in data loss.
B) Attach all nodes to a common Infiniband switch.
C) Borrow nodes to reconfigure the cluster and migrate the data to new cluster.
D) Go to GUI and put alike nodes in the same pools. Then name them.

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

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

Solutions: