Exam Name: Networked Storage-NS Expert Exam Implemnetation Engineers
Certification Provider: EMC
Corresponding Certification: Legato Cert
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Updated: Sep 03, 2026
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EMC E20-863 Exam Overview:
| Certification Vendor: | Dell EMC |
|---|---|
| Exam Name: | EMC Networked Storage (NS) Expert Exam - Implementation Engineers |
| Exam Number: | E20-863 |
| Exam Price: | USD 200–300 |
| Exam Format: | Multiple choice |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Related Certifications: | Dell EMC Proven Professional EMC Information Storage and Management EMC Storage Administrator |
| Available Languages: | English |
| Real Exam Qty: | 60-70 |
| Passing Score: | 60-65% |
| Exam Way: | Proctored multiple-choice exam delivered via authorized testing centers or online proctoring |
| Pre Condition: | Recommended experience with enterprise storage systems and Dell EMC storage solutions |
| Official Syllabus URL: | https://www.dell.com/learn/us/en/uscorp1/certification |
EMC E20-863 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Troubleshooting and Problem Resolution | - Common SAN/NAS failure scenarios and recovery - Storage connectivity issues diagnosis |
| Topic 2: Data Protection and Replication | - Remote replication strategies (sync/async) - Snapshot and cloning technologies |
| Topic 3: Storage Area Network (SAN) Fundamentals | - Fibre Channel architecture and components - SAN topologies and connectivity models |
| Topic 4: Storage Security and Access Control | - Zoning and LUN masking - Authentication and authorization in storage environments |
| Topic 5: Networked Storage Concepts | - Block vs file storage architecture - NAS and SAN integration concepts |
| Topic 6: Storage Networking Protocols | - iSCSI implementation and configuration - Fibre Channel over Ethernet (FCoE) basics |
| Topic 7: Host Connectivity and Multipathing | - Host bus adapters (HBA) configuration - Multipath I/O (MPIO) and failover mechanisms |
| Topic 8: Performance Tuning and Optimization | - I/O performance analysis - Caching and workload optimization techniques |
| Topic 9: Storage Array Configuration and Management | - Storage provisioning and LUN management - RAID configurations and performance considerations |
FAQs for EMC Networked Storage-NS Expert Exam Implemnetation Engineers Candidates
The E20-863 exam leads to the Legato Cert certification from Dell EMC. It is positioned at the Expert level. The exam validates the knowledge and skills expected of candidates preparing for EMC Networked Storage-NS Expert Exam Implemnetation Engineers.
Related certifications include:
- Dell EMC Proven Professional
- EMC Storage Administrator
- EMC Information Storage and Management
The E20-863 exam includes 60-70 questions and allows 90 minutes. Before test day, divide the available time by the number of questions in a timed practice set to establish a steady per-question pace. If a difficult item starts consuming too much time, mark it for review and move forward instead of losing momentum. A full timed practice session can help you decide when to move on, when to return, and how much buffer to reserve for a final check.
The passing score for E20-863 is 60-65%, and the official exam fee is USD 200–300. Because a retake requires paying the exam fee again, use timed practice results as a readiness check before scheduling your next attempt. If your performance remains inconsistent, continue reviewing weak domains and repeat a timed session before booking the exam.
Recommended experience with enterprise storage systems and Dell EMC storage solutions
Eligibility rules can change, so confirm the current requirements on the official exam page before registering.
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The current E20-863 outline is organized into 9 top-level domains. The first listed areas include:
- Storage Networking Protocols
- Storage Array Configuration and Management
- Data Protection and Replication
Review the Exam Topics section above for the complete outline and any nested subtopics.
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