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EMC E20-554 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Network and Connectivity Design | 20% | - Network topology and protocols - Bandwidth and redundancy planning - Client access protocols (NFS, SMB, HTTP, HDFS) - SmartConnect configuration |
| Features and Functionality | 20% | - Multi-protocol access and identity management - Security and authentication - SnapshotIQ, SyncIQ, SmartQuotas - Deduplication, compression, and data efficiency |
| Isilon Architecture and Concepts | 25% | - Data protection and protection levels - OneFS file system fundamentals - Scale-out NAS architecture - Node types and hardware platforms |
| Capacity and Performance Design | 25% | - SmartPools and tiering strategy - Capacity planning and sizing - Performance requirements analysis - SSD use cases and caching |
| Solution Design and Sizing | 10% | - Scalability and expansion planning - Cluster design best practices - Workload analysis and requirements gathering |
EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:
1. Which protocols are supported by IsilonOneFS for file access?
A) NFS, HDFS, HTTP, SMB
B) FTP, NFS, SMB, FC
C) HDFS, NFS, iSCSI, SNMP
D) SMB, HTTP, SMTP, HDFS
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 Video management system Evidence collection period
B) Bit rate per camera Camera manufacturer Video management system Retention time
C) Pixel count Video CODEC Color sampling Frames per second (fps) Number of devices Retention time
D) Video resolution Video CODEC Frames per second (fps) Number of devices Retention time
3. 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) Ten X200 (27 TB) 48 GB RAM, 600 GB SSD, N+2:1
B) Ten X400 (60 TB) 48 GB RAM, 2.4 TB SSD, N+2:1
C) Eight X200 (36 TB) 24 GB RAM, no SSD, N+2:1
D) Five X400 (120 TB) 96 GB RAM, 2.4 TB SSD, N+2
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 -
Before making any changes, the customer would like a graphical presentation of their existing array performance to present to management.What is the best tool to gather this information?
A) isi_netlogger
B) netstat
C) InsightIQ
D) tcpdump
5. -- 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 -
Currently, the workflows are being limited by the network access to the Isilon cluster.
What would result in the fastest possible network throughput?
A) Move analysis infrastructure to dedicated 10G network.
B) Implement jumbo frames.
C) Use LACP to aggregate the network connections.
D) Add four A-Series accelerator nodes.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: A |
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