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EMC E20-554 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| System Management and Operations | - Upgrades and lifecycle management - Monitoring and maintenance - Security and access control |
| Networking and Protocols | - NFS, SMB, and multiprotocol environments - Client access optimization - Network topology design |
| Data Protection and Availability | - Protection levels and mirroring strategies - Disaster recovery design - Snapshot and backup integration |
| Isilon Architecture and Components | - OneFS architecture fundamentals - Data layout and striping methodology - Node types and cluster design |
| Cluster Design and Sizing | - Scale-out design principles - Performance considerations - Capacity planning and workload assessment |
EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:
Question #1
Refer to the exhibit.
You are analyzing a customer's existing Isilon environment using isi statistics in order to expand the cluster. When examining the protocol subcommand, you see the output as shown in the exhibit.
What does the data tell you about the workload?
A. It is metadata intensive.
B. It is mostly sequential reads.
C. It contains mostly random writes.
D. It uses large read requests.
Question #2
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
Question #3
An Isilon customer expressed an interest in more effectively managing their storage. Specifically, they would like to plan for future growth.
Which tool would allow the customer to forecast capacity requirements?
A. InsightIQ
B. SyncIQ
C. SmartPools
D. Isilon SNMP MIB
Question #4
You are asked to size a cluster for a file sharing environment. nfsstat indicates that no more than 10% of the requests are namespace operations (e.g. GETADDR, SETADDR). There will be 10,000 active Linux users, connecting over NFS.
Which cluster configuration would you recommend?
A. Five X400 (120 TB) 96 GB RAM, 2.4 TB SSD, N+2
B. Ten X200 (27 TB) 48 GB RAM, 600 GB SSD, N+2:1
C. Eight X200 (36 TB) 24 GB RAM, no SSD, N+2:1
D. Ten X400 (60 TB) 48 GB RAM, 2.4 TB SSD, N+2:1
Question #5
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. 50TB
B. 80TB
C. 110TB
D. 140TB
Solutions:
| Question #1 Correct Answer: A | Question #2 Correct Answer: C | Question #3 Correct Answer: B | Question #4 Correct Answer: B | Question #5 Correct Answer: C |
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