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EMC E20-554 Exam Syllabus Topics:

EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. 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

2. When conducting high-level interviews with stakeholders of a project, what are the key questions that should be asked?

A) How much usable storage are you looking for? What client OS will access this storage? Which applications will access this storage?
B) What does your network architecture look like?
Do you have existing NAS infrastructure?
Do you have 10Gb or 1Gb ethernet?
Which applications will access this storage?
C) Who are the application owners?
How much usable storage is needed?
What applications will be accessing the storage?
How many users are in your Active Directory?
D) Which backup application is in use today?
What is your change rate?
How many clients will connect to the cluster?

3. Refer to the exhibit.

Which tool was used to create this output and which line item counts the metadata read operations occurring in the file service?

A) iostat and fsstat
B) nfsstat and getattr
C) tcpdump and nfsstat
D) isi_netlogger and commit

4. A potential customer has 540TB Raw capacity of NetApp running in ONTAP 7-Mode. They are willing to let you gather some workload data. Their authentication sources are LDAP and Active Directory. Their users are 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 tool(s) would you use next to complete your sizing?

A) Isilon Cluster Sizing Tool
B) Isilon Insight IQ, OnCommand Insight, and nfsstat
C) Wireshark, isi statistics, and iostat
D) MiTrend WPA, Autosupport, and PerfCollect

5. When designing Isilon solutions, which issue should you pay special attention to?

A) Meet customer expectations
B) Follow all SSD sizing rules
C) Create a workflow document
D) Conduct stakeholder interviews

Solutions: