EMC Isilon Design Specialist Exam for Technology Architects - E20-554

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EMC Isilon Design Specialist Exam for Technology Architects 認定 E20-554 試験問題:

1. You set up a meeting to gather information on a new project with the IT manager and plan to use a workflow profile assessment (WPA) to document the requirements.
Why is it recommended to talk to as many stakeholders as possible?

A) Using the WPA tool will give you the best "big picture" to see things such as block size, de-dupe, file size and volumes.
B) Completing this document gives sales a list of who the stakeholders are at customer site.
C) Helps downstream personnel, such as implementation and delivery, to have a clearer understanding of the requirements.
D) Using workflow profile enables sales to take this information to EMC consulting for review to validate the configuration.

2. Refer to the exhibit.

You want to add redundancy to your network configuration, rather than performance. You have configured all interfaces into the default SmartConnect zone.
How should you configure the switches and Isilon networking to provide your desired network redundancy?

A) Configure the switch ports as access points and use LACP aggregation for subnet0:pool0.
B) Configure the switch ports as access points, bond ext-0 and ext-1 on all nodes and use Active/Passive aggregation for subnet0:pool0.
C) Configure the switch ports for LACP and use FEC aggregation for subnet0:pool0.
D) Configure the switch ports for LACP and use LACP aggregation for subnet0:pool0.

3. You are designing a new Isilon system to store mobile device video clips. The files average 800MB in size and the application team tells you to plan for up to 15,000 new files per day. The product manager for this new service wants enough capacity for the first year and reminds you that response time for storing and retrieving the files is important for customer satisfaction.
The files will be accessed frequently for the first 48 hours after creation, and then very infrequently after seven days. You plan to use N+2:1 protection, and will configure a SmartPools policy to move inactive files to an archive tier within the cluster.
Which configuration best fits the project requirements?

A) 4 x X200 nodes with SSD; 36 x NL400 nodes with 4TB drives
B) 4 x S200 nodes with SSD; 45 x NL400 nodes with 3TB drives
C) 38 x X400 nodes with 4TB drives and SSD
D) 4 x X400 nodes with 1TB drives; 36 x NL400 nodes with 4TB drives

4. 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) 140TB
B) 110TB
C) 80TB
D) 50TB

5. A hospital is considering using Isilon to store their archived medical images and genomic sequencing data. They currently have 56 TB of PACS images and 24 TB of genomic data, and expect to double their capacity requirements this year. They will replicate to a DR cluster, and plan to use N+2 protection. The production workload needs to be run at either site.
Which minimum cluster configuration, at each site, including software, would meet this customer's environment?

A) Five X400 (2 TB drives) nodes with SyncIQ.
B) Five X400 (2 TB drives) nodes with SnapshotIQ.
C) Seven X200 (3 TB drives) nodes with SyncIQ and SnapshotIQ
D) Four NL400 (3 TB drives) nodes with SyncIQ.

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