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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. Which IsilonOneFS protection level allows you to withstand two drive failures but no more than one complete node failure?

A) N+2
B) N+1
C) N+2:1
D) N+3:1

2. You get a call from a customer that has just added 200 user connections to the cluster. They want to know how fast they are writing data with these new users.
What tool would you use to gather this information?

A) Network Monitor
B) Watch4net
C) InsightIQ
D) Wireshark

3. A potential customer has about 540TB of NetApp running in ONTAP 7-Mode. They are willing to let you gather some workload data. They have LDAP and Active Directory authentication and primarily Windows Clients. They are very interested in Automated Tiering and Large Scale Archives. They are not certain about the workflows from the Marketing Department. The Content Team will only say they need to acquire 300 TB within 90 days. They do not know the average file size or the number of aggregates they are managing.
Which tools would you use to gather information to do your Isilon sizing?

A) MiTrendWPA ,Autosupport, and PerfCollect
B) Isilon Insight IQ, OnCommand Insight, and nfsstat
C) isi status, isi_netlogger, and PerfMon
D) Wireshark, isi statistics, and iostat

4. 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) An IDC study found that Isilon requires 95% less down time hours per year compared to other competitors.
B) Isilon'sOneFS data protection policies offer substantially lower overhead than competitive RAID based NAS solutions.
C) Isilon'sOneFS allows administrators to manage much larger amounts of capacity than competitive offerings.
D) The competition cannot offer a scale-out NAS so as capacity is added to the array, performance may degrade.

5. 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) Pixel count Video CODEC Color sampling Frames per second (fps) Number of devices Retention time
B) Pixel count Video CODEC Color sampling Frames per second (fps) Number of devices Video management system Evidence collection period
C) Video resolution Video CODEC Frames per second (fps) Number of devices Retention time
D) Bit rate per camera Camera manufacturer Video management system Retention time

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