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Updated: Sep 06, 2026
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EMC E20-554 Exam Overview:
| Certification Vendor: | Dell EMC (Dell Technologies) |
|---|---|
| Exam Name: | EMC Isilon Design Specialist Exam for Technology Architects (E20-554) |
| Exam Number: | E20-554 |
| Available Languages: | English |
| Exam Price: | USD 200-300 |
| Exam Format: | Scenario-based Questions, Multiple Choice |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 2 years |
| Passing Score: | 60-63% |
| Real Exam Qty: | 60 |
| Related Certifications: | Dell Technologies Proven Professional Certifications Dell EMC Storage Administrator Dell EMC Data Science Associate |
| Recommended Training: | Dell EMC Isilon Design Training Course |
| Exam Registration: | Dell Technologies Education Services |
| Sample Questions: | EMC E20-554 Sample Questions |
| Exam Way: | Online proctored or test center exam |
| Pre Condition: | Recommended: Dell EMC Isilon Administration or equivalent storage experience |
| Official Syllabus URL: | https://education.dell.com |
EMC E20-554 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| System Management and Operations | - Monitoring and maintenance - Upgrades and lifecycle management - Security and access control |
| Networking and Protocols | - Network topology design - Client access optimization - NFS, SMB, and multiprotocol environments |
| Data Protection and Availability | - Protection levels and mirroring strategies - Disaster recovery design - Snapshot and backup integration |
| Isilon Architecture and Components | - Data layout and striping methodology - OneFS architecture fundamentals - Node types and cluster design |
| Cluster Design and Sizing | - Performance considerations - Capacity planning and workload assessment - Scale-out design principles |
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 -
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. InsightIQ
- C. netstat
- D. tcpdump
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. How many users are in your Directory Services?
- B. What protocols are accessing your NAS?
- C. Is your datacenter ISO9001 compliant?
- D. What application are you using to create directories?
Which IsilonOneFS protection level allows you to withstand two drive failures but no more than one complete node failure?
- A. N+3:1
- B. N+2:1
- C. N+1
- D. N+2
Your customer is looking for a storage solution that will be able to store seven million 3 MB files which are written and seldom accessed. Read and write operations are both completed by a web-based application, which requires 1.3 Gbps throughput. The customer's network has not been upgraded in many years, so the network interfaces are 1 Gbps.
What would be the best solution for this network configuration?
- A. Aggregate Infiniband (IB) ports across all nodes.
- B. Bond EXT-0 across all nodes.
- C. Use jumbo frames to compensate for the 1GB Core network.
- D. Use LACP to aggregate the network ports on each node.
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. 140TB
- B. 50TB
- C. 80TB
- D. 110TB
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