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EMC E20-655 Exam Overview:
| Certification Vendor: | Dell EMC (Dell Technologies) |
|---|---|
| Exam Name: | EMC Specialist - Platform Engineer, Isilon Exam |
| Exam Number: | E20-655 |
| Related Certifications: | Dell EMC Isilon Certification Track Dell EMC Data Storage Specialist |
| Exam Format: | Scenario-based Questions, Multiple Choice |
| Real Exam Qty: | 60 |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Certificate Validity Period: | Retired (no longer offered) |
| Recommended Training: | Dell EMC Isilon Administration Training |
| Exam Registration: | Dell Technologies Education Services |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored or authorized testing center (depending on availability at time of program offering) |
| Pre Condition: | Recommended experience with enterprise storage systems and basic knowledge of Isilon/OneFS architecture. |
| Official Syllabus URL: | https://education.dell.com |
EMC E20-655 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Administration and Management | - User and permission management (NFS, SMB, HDFS) - Monitoring and performance management - Storage provisioning and quotas |
| Troubleshooting and Maintenance | - Performance issue resolution - Log analysis and system tools - Cluster health diagnostics |
| Data Protection and Availability | - High availability and failover mechanisms - SnapshotIQ and snapshots - Replication (SyncIQ) |
| Isilon Architecture and Concepts | - Cluster architecture and nodes - Storage pools and data layout - OneFS distributed file system fundamentals |
| Installation and Initial Configuration | - Cluster setup and initialization - Network configuration and SmartConnect |
EMC Specialist - Platform Engineer, Isilon (E20-655) — Questions Candidates Actually Ask
The E20-655 exam, officially known as EMC Specialist - Platform Engineer, Isilon, is the EMC test that leads to the EMC Specialist - Platform Engineer, Isilon certification at the Specialist level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as Dell EMC Isilon Certification Track, Dell EMC Data Storage Specialist.
The E20-655 exam contains 60 questions, and you have 90 minutes to complete them. Work out your per-question pace before test day, and flag slow items instead of stalling on them — time pressure, not knowledge, sinks many first attempts. Timed mock exams in the Actual4Exams test engines are the most reliable way to build that rhythm.
Recommended experience with enterprise storage systems and basic knowledge of Isilon/OneFS architecture.
Entry requirements can change, so confirm the latest conditions on the official exam page: https://education.dell.com.
You can book the E20-655 exam through the official registration channels below:
Exam delivery: Online proctored or authorized testing center (depending on availability at time of program offering). Seats at popular test centers fill quickly, so schedule early once your preparation is on track.
EMC recommends the following training options for EMC Specialist - Platform Engineer, Isilon candidates:
Pair any course with the 112 practice questions from Actual4Exams to measure how ready you really are before paying the exam fee.
Yes. A free PDF demo of the EMC Specialist - Platform Engineer, Isilon questions is available, so you can check the question style and answer quality before you pay. Every purchase also includes 365 days of free updates, and if the product expires you can renew the update service at a 50% discount from your member zone.
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The official EMC Specialist - Platform Engineer, Isilon outline is organized into 5 domains. The first three are:
- Troubleshooting and Maintenance
- Installation and Initial Configuration
- Administration and Management
See the complete exam topics section above for the full outline and the weighting of every domain.
EMC Specialist - Platform Engineer, Isilon Sample Questions:
What procedure requires a field service engangement with OneFS 7.0.2?
- A. Drive firmware update
- B. All simultaneous upgrades
- C. Node firmware update
- D. Upgrade to OneFS 7.1.0
Your customer has installed a series of new nodes, and wishes to remove the old node 6 now that the installation is complete. Which command should be used to perform this task cleanly?
- A. isi config > remove 6
- B. isi devices -a smartfail -d 6
- C. isi_reformat_node -d 6
- D. isi_reimage -d 6
Which methods can be used to notify recipients of events?
- A. ESRS and SNMP only
- B. SupportIQ and ESRS only
- C. Email, SupportIQ, ESRS, and SNMP
- D. Email and SupportIQ only
A customer wishes to install a new cluster and needs an explanation of the features SmartConnect will provide. Which explanation best represents its features?
- A. SmartConnect moves connections from one node to another to balance loads across the cluster.
- B. SmartConnect connects users with nodes based on protocols and protocol versions.
- C. SmartConnect connects users with nodes based on identity and authorization.
- D. SmartConnect manages loads across the cluster by directing connections to nodes.
How is the job engine's coordinator designated?
- A. The nodes share performance data with the job daemons and the daemon on the node with the lightest load becomes the coordinator.
- B. The job daemons on each node attempt to lock a file and the one that succeeds becomes the coordinator.
- C. The job daemons generate random numbers, and the one that generates the lowest number becomes the coordinator.
- D. The storage administrator selects a node to run the coordinator based on the cluster architecture.
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