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EMC E20-554 Exam Syllabus Topics:

EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

Question 1

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

Question 2

Refer to the exhibit.

Which tool was used to create this output and what is the most significant characteristic?

A. nfsstat and read-intensive access
B. nfsstat and write-intensive access
C. iostat and write-intensive access
D. isi_netlogger and moderate metadata read operations

Question 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. Wireshark, isi statistics, and iostat
D. isi status, isi_netlogger, and PerfMon

Question 4

-- Exhibit -
We have been engaged by a research hospital to help upgrade their Isilon installation. They currently have 12 previous generation Isilon nodes with 200TB of capacity and run on a 1Gbps network. They currently have 6 Illumina Hi-Seq Sequencers and an HPC cluster to process data. They would like to expand Isilon to 2PB of active data and 1PB of archive data. They use a third party data and metadata management service (IRODs) to stage data for analysis. The Isilon cluster is mainly used for analysis work with the HPC cluster.
-- Exhibit -
The customer has a limited budget. What would be the best price/performance solution for their active data?

A. 12 X-Series nodes with no SSD drives and 24GB of RAM
B. 14 NL-Series nodes with 24GB of RAM
C. 14 X-Series nodes with no SSD drives and 96GB of RAM
D. 17 X-Series nodes with SSD drives and 48GB of RAM.

Question 5

Your customer purchased an Isilon cluster with eight X400 nodes for Home Directories. Your follow-up discussions have uncovered an opportunity to expand the cluster to support the Legal Department. As you prepare to complete the Workflow Profile Document, you meet with the customer to discuss data protection.
Which key areas should you address?

A. Protocols (SMB, NFS, FTP, HTTP, HDFS) Authentication and Directory Services Performance and latency concerns
B. WORM requirements Network ports for replication Snapshots for user restores
C. Default cluster protection level Additional directory level protections Snapshots and replication
D. Default cluster protection level Backup windows and processes Concurrency of user access

Solutions: