Prepare with EMC DES-5221 exam practice material, pass for sure
Updated: Aug 25, 2026
No. of Questions: 60 Questions & Answers with Testing Engine
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Subsequent Certification Track
The Dell Specialist - Implementation Engineer, Data Center Networking is a mid-level certificate that validates one’s skills in installing, configuring, maintaining and troubleshooting the Dell EMC Data Center Networking products. And passing the DES-5221 exam is one of the requirements you should meet to qualify for it.
One more prerequisite is to possess the Associate - Networking 1.0 certification. However, in case you already have the Dell Certified Associate - Networking or Dell Certified Professional – Networking accreditations instead, they will make you eligible as well. Although they are not available to be obtained now, they still allow one to sit for DES-5221.
Note that once you get accredited, you become eligible for earning one more certification, which is Specilaist - Implementation Engineer, Campus Networking. It requires one to pass the Dell DES-5121 exam and verifies the knowledge of networking protocols, routing, switch configuration, security (including ACLs, authentication, and authorization), QoS, and PoE, among the rest.
EMC DES-5221 Exam Overview:
| Certification Vendor: | Dell Technologies (Dell EMC) |
|---|---|
| Exam Name: | Specialist - Implementation Engineer, Data Center Networking Exam |
| Exam Number: | DES-5221 |
| Real Exam Qty: | 60 |
| Exam Price: | Varies by region (official pricing not currently published) |
| Available Languages: | English |
| Exam Duration: | Approximately 90 minutes (~60 questions) |
| Related Certifications: | Associate - Networking Version 1.0 / 2.0 |
| Certificate Validity Period: | Certification does not expire once earned |
| Passing Score: | 63% |
| Exam Format: | Multiple choice, Scenario based |
| Sample Questions: | EMC DES-5221 Sample Questions |
| Exam Way: | Delivered at authorized test centres; practice tests available online |
| Pre Condition: | Associate level networking credential (e.g., DEA-5TT2 Associate - Networking) recommended as a prerequisite |
| Official Syllabus URL: | https://learning.dell.com/content/dam/dell-emc/documents/en-us/DES-5221_Specialist_Implementation_Engineer_Data_Center_Networking_Exam.pdf |
Understanding functional and technical aspects of Specialist - Implementation Engineer, Data Center Networking Version 1.0 Networks - The Basics
The following will be discussed in DELL DES-5221 exam dumps:
- Basic switch configuration: Identify the normal boot process of a S and Z-Series switch running OS 10
- AAA Security: Explain the purpose of AAA security; describe AAA process, core components and their function; configure local and RADIUS authentication
- Access Control Lists: Explain the purpose of access control; apply appropriate commands to deny or permit IP connectivity; complete the required configuration to permit host access control; determine why particular computers are being blocked from accessing a server
- List the first-time switch setup requirements
- Dynamic Host Configuration Protocol: DHCP's basic operation; Explain the role of the DHCP Relay; configure DHCP in OS10; identify the options to secure DHCP from attacks
- Perform the steps for upgrading switch firmware in OS 10
- Identify common data center topologies, protocols, and topologies; describe the Dell EMC data center switch portfolio
EMC DES-5221 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Layer-2 Technologies and Protocols | 20.1% | - Link Aggregation Groups (LAGs) - Discovery protocols (LLDP) - Spanning Tree Protocol (STP/RSTP/MSTP) - Virtual LANs (VLANs) |
| Topic 2: Routing Protocols | - Open Shortest Path First (OSPF) - Basic IPv4 routing and static routes - Policy-Based Routing (PBR) - Border Gateway Protocol (BGP) and ECMP | |
| Topic 3: Networks – The Basics | 19.6% | - Data center topologies and products - Access control lists and AAA security - Basic switch configuration - DHCP operations and configuration |
| Topic 4: Data Center Technologies and Protocols | 29.6% | - Uplink Failure Detection (UFD) - Virtual Link Trunking (VLT) - Multicast (IGMP, PIM) - Quality of Service (QoS) - Virtual Routing and Forwarding (VRF) - Virtual Router Redundancy Protocol (VRRP) |
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