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EMC E20-554 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Solution Design and Sizing | 10% | - Workload analysis and requirements gathering - Cluster design best practices - Scalability and expansion planning |
| Topic 2: Network and Connectivity Design | 20% | - Client access protocols (NFS, SMB, HTTP, HDFS) - Network topology and protocols - Bandwidth and redundancy planning - SmartConnect configuration |
| Topic 3: Capacity and Performance Design | 25% | - Capacity planning and sizing - Performance requirements analysis - SmartPools and tiering strategy - SSD use cases and caching |
| Topic 4: Features and Functionality | 20% | - Multi-protocol access and identity management - Deduplication, compression, and data efficiency - Security and authentication - SnapshotIQ, SyncIQ, SmartQuotas |
| Topic 5: Isilon Architecture and Concepts | 25% | - OneFS file system fundamentals - Node types and hardware platforms - Scale-out NAS architecture - Data protection and protection levels |
EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:
-- 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 will add two more Illumina Hi-Seq Sequencers in the next 6 months.
Once these are added, what is the total amount of data from all the sequencers they can expect to add per month?
- A. 14.4 TB
- B. 4.8 TB
- C. 9.6 TB
- D. 1.2 TB
Correct Answer: C 🗳️
What key considerations should be kept in mind when designing a 300TB solution?
- A. Defining class of service Time of day services ROI and TCO Data retention and backup
- B. Always include 2% SSD SmartPools Smartconnect Snapshots InsightIQ
- C. SmartPools Smartconnect Snapshots Space for snapshots
- D. Workflow management Defining class of service Time of day services RPO and RTO Data retention and backup
Correct Answer: D 🗳️
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. Wireshark, isi statistics, and iostat
- C. isi status, isi_netlogger, and PerfMon
- D. Isilon Insight IQ, OnCommand Insight, and nfsstat
Correct Answer: A 🗳️
You meet a customer for the first time. They explain that their current environment for NAS does not meet their needs. You want to make sure that Isilon is a good fit for their needs.
What would be a good prequalifying question to ask?
- A. What type of racks are in your datacenter?
- B. Are you using a KVM to access your storage?
- C. What applications access this storage?
- D. How many NICs do your clients have?
Correct Answer: C 🗳️
A customer has eight X400 24GB RAM nodes that support 400 client connections. They will be adding 400 more clients in the next few months. They are looking at adding an A-Series node to the cluster to help with client connections.Before they start adding client connections, what hardware change do you recommend?
- A. Add nodes with SSD to help with connections
- B. Add more network switches to increase the number of connections
- C. Add RAM to the nodes to offset concurrent client connections
- D. Add an A100 node to offset concurrent client connections
Correct Answer: C 🗳️
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