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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. You have gathered information from your customer about their current NAS environment. They indicated they are having performance and time-out issues with their clients accessing the storage. Currently over 5000 clients are simultaneously accessing the NAS; however, this will double in the next year.
Based on this information, what recommendations for a new Isilon cluster would you give to the customer based on this information?

A) Create a seven node X400 cluster today. You will not need to purchase additional nodes as more clients are added.
B) Create a six node X400 cluster today. As additional clients are added, add additional X400 nodes for them.
C) Create a three node cluster today. As more clients are added, add three additional nodes each time for 1000 clients.
D) Create a five node X400 cluster today. As more clients are added, add a Performance Accelerator node for every 1000 clients.

2. You will be meeting with the Corporate Security Team as part of the implementation planning for a new Isilon cluster deployment. The Lead Security Analyst has asked you to discuss the Authentication Sources on your Isilon Cluster.
What customer questions regarding Isilon-supported Authentication Sources do you need to be prepared to answer?

A) What mechanism are you using for NFS authentication?
Do you have multiple AD domain support?
What versions of LDAP are supported?
B) What mechanism are you using for NFS authentication?
Do you support Novell Directory Services?
What implementations of LDAP are supported?
C) Are you using File Services for UNIX in your AD environment?
Do you support NIS+ for NFS authentication?
Do you support multiple Access Zones connecting to the AD Domain?
D) Is the cluster X.400 compliant?
What firewall rules are in place to prevent data leakage?
Is there a audit trail for access zone configuration changes?

3. Your customer is moving from a Restaurant/Bar business model to a Restaurant/Casino business model. You are helping architect the upgrade of a current 4-node X200 48 TB Isilon cluster, with 50% utilized for their video surveillance operations.
They want to upgrade from 15 FPS (NTSC) in H.264 codec, with a 15 days retention policy to 30 FPS (NTSC) in H.264 codec with a 30 days retention policy.
Which storage capacity would be the best suited to meet the required changes and utilize 65-75% capacity?

A) 50TB
B) 80TB
C) 140TB
D) 110TB

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. A cost-conscious customer is exploring Isilon for their PACS archive. The workflow consists of one hundred cases a day, each including fifty 60MB image files. However, each image will have five-hundred 64kB metadata files associated with it. They currently have six years worth of archived data. They will need to migrate to the new solution and they need to plan for an additional three years of archive capacity.
Which solution would you recommend to fit their capacity needs?

A) 12 NL-Series nodes with N+2 protection policy providing 1300 TiB of useable capacity
B) 24 NL-Series nodes with N+3 protection policy providing 2597 TiB of useable capacity
C) 24 X-Series nodes with N+3 protection policy providing 2597 TiB of useable capacity
D) 18 NL-Series nodes with N+2:1 protection policy providing 2078 TiB of useable capacity

Solutions: