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EMC Isilon Design Specialist Exam for Technology Architects 認定 E20-554 試験問題:
1. A customer plans to consolidate 200 TB of digital images and video content. Performance is important for recently created files. However, the customer wants any content that has not been accessed within 30 days to be stored in the cluster at a much lower cost because performance is no longer critical.Which Isilon configuration should be recommended?
A) X-Series nodes and SmartQuotas
B) X-Series nodes, NL-Series nodes, and SmartPools
C) S-Series nodes, X-Series nodes, and SmartPools
D) NL-Series nodes and SmartLock
2. 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) 18 NL-Series nodes with N+2:1 protection policy providing 2078 TiB of useable capacity
D) 24 X-Series nodes with N+3 protection policy providing 2597 TiB of useable capacity
3. -- 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 X400 nodes with 4 x NL 400 nodes
B) 4 x S200 nodes with 4 x NL 400 nodes
C) 4 x S200 nodes with 5 x NL 400 nodes
D) 4 x X200 nodes with 4 x NL 400 nodes
4. You meet with the IT Director of a large single site campus. The IT department has recently taken over Physical Security from the facilities department and plans a complete overhaul of the surveillance solution. They are looking to you as a storage architecture expert to provide the correct amount of storage needed. The IT Director asks you what items they need to provide in order to size this solution.What data do you require from the customer?
A) Video resolution Video CODEC Frames per second (fps) Number of devices Retention time
B) Bit rate per camera Camera manufacturer Video management system Retention time
C) Pixel count Video CODEC Color sampling Frames per second (fps) Number of devices Retention time
D) Pixel count Video CODEC Color sampling Frames per second (fps) Number of devices Video management system Evidence collection period
5. A customer is making a decision between Isilon and a competitor's offering. They currently have 100TB of usable capacity and are forecasting 100% growth per year for the next three years, which will require them to lease additional space in their co-located data center. The CFO finds ROI and TCO to be important decision criteria.
Which statement best emphasizes the value of Isilon for this customer?
A) Isilon'sOneFS allows administrators to manage much larger amounts of capacity than competitive offerings.
B) Isilon'sOneFS data protection policies offer substantially lower overhead than competitive RAID based NAS solutions.
C) The competition cannot offer a scale-out NAS so as capacity is added to the array, performance may degrade.
D) An IDC study found that Isilon requires 95% less down time hours per year compared to other competitors.
質問と回答:
質問 # 1 正解: D | 質問 # 2 正解: B | 質問 # 3 正解: A | 質問 # 4 正解: A | 質問 # 5 正解: B |