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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. -- Exhibit -
A European Sports TV network is considering Isilon for their Media Edit Storage for their editing workloads. They are also considering Isilon for near-line media archiving.
The network receives XDCAM HD footage which is loaded onto their existing Transcoding Storage platform. New footage that needs to be edited will be transferred from their Transcoding Storage platform to the proposed Media Edit Storage platform at the rate of ten simultaneous XDCAM HD files via FTP. Edited files will be transferred back to the Transcoding Storage platform at the rate of ten simultaneous XDCAM HD files via FTP.
The network currently has 15 Final Cut Pro edit stations, 15 Avid edit stations. Proxy software will be used to allow Isilon to act as the storage for the Final Cut Pro and Avid media. Three of those edit stations will be performing content compositing as needed.
The network expects 70 hours of new content per week, and 50 hours of edited content per week. They intend to keep the new and edited content on the proposed Media Edit Storage as a performance tier for 30 days. They would like to retain all new and edited footage proposed Media Edit Storage as a near-line tier for two years.
In addition to the current workloads, the network expects to implement a new Media Asset Management (MAM) solution and has requested the Isilon cluster be capable of supporting 120 MBps read and 120 MBps write to support the MAM requirements.
-- Exhibit -
Refer to the exhibit.

Based on the described use of the cluster, which node combination is the appropriate choice for the customer's requirements?

A) 4 x X200 nodes with 4 x NL 400 nodes
B) 4 x S200 nodes with 5 x NL 400 nodes
C) 4 x X400 nodes with 4 x NL 400 nodes
D) 4 x S200 nodes with 4 x NL 400 nodes

2. Your customer has observed a degradation in response time while browsing for media files within the Production Media folder on the Isilon cluster. That directory now contains over five million files. It was confirmed that there are no network or edit station related causes.
What changes to the Isilon cluster will best accelerate the browsing performance?

A) Add Solid State Drives (SSDs) to the nodes
B) Upgrade RAM on the nodes
C) Add an A-Series Performance Accelerator node
D) Upgrade network interfaces on the nodes to 10 Gbps

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

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

5. -- Exhibit -
A European Sports TV network is considering Isilon for their Media Edit Storage for their editing workloads. They are also considering Isilon for near-line media archiving.
The network receives XDCAM HD footage which is loaded onto their existing Transcoding Storage platform. New footage that needs to be edited will be transferred from their Transcoding Storage platform to the proposed Media Edit Storage platform at the rate of ten simultaneous XDCAM HD files via FTP. Edited files will be transferred back to the Transcoding Storage platform at the rate of ten simultaneous XDCAM HD files via FTP.
The network currently has 15 Final Cut Pro edit stations, 15 Avid edit stations. Proxy software will be used to allow Isilon to act as the storage for the Final Cut Pro and Avid media. Three of those edit stations will be performing content compositing as needed.
The network expects 70 hours of new content per week, and 50 hours of edited content per week.
They intend to keep the new and edited content on the proposed Media Edit Storage as a performance tier for 30 days. They would like to retain all new and edited footage proposed Media Edit Storage as a near-line tier for two years.
In addition to the current workloads, the network expects to implement a new Media Asset Management (MAM) solution and has requested the Isilon cluster be capable of supporting 120 MBps read and 120 MBps write to support the MAM requirements.
-- Exhibit -
Refer to the exhibit.

Based on the described use of the cluster, what are the customer's capacity requirements?

A) 30 days retention: 1 TB; 2 years retention: 24 TB
B) 30 days retention: 15 TB; 2 years retention: 360 TB
C) 30 days retention: 30 TB; 2 years retention: 720 TB
D) 30 days retention: 5 TB; 2 years retention: 120 TB

Solutions: