Try EMC : DES-5221 valid & accurate questions and answers
Updated: Aug 26, 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.
Understanding functional and technical aspects of Specialist - Implementation Engineer, Data Center Networking Version 1.0 Layer-2 Technologies and Protocols
The following will be discussed in DELL DES-5221 exam dumps:
- Identify the operations and use cases for LAGs; configure, verify, and trouble shoot static LAGs; configure, verify, and troubleshoot dynamic LAGs
- Virtual Lans - Identify the characteristics of a VLAN; explain the differences between tagged and untagged frames; configure VLAN trunking; configure VLAN Port membership; verify trunking and Port Membership; troubleshoot VLANs
- Link Aggregation Groups
- Identify the operations and use cases for STP; Configure and validate RSTP/MSTP/RSTP-PV; Manipulate spanning tree root bridge and port cost configurations
- Spanning-tree Protocol
EMC DES-5221 Exam Overview:
| Certification Vendor: | Dell EMC |
|---|---|
| Exam Name: | Specialist - Implementation Engineer, Data Center Networking Exam |
| Exam Number: | DES-5221 |
| Available Languages: | English |
| Exam Price: | $125 USD |
| Certificate Validity Period: | 2 years |
| Real Exam Qty: | 60 |
| Passing Score: | 63% |
| Related Certifications: | DCS-IE (Data Center Networking Implementation Engineer) |
| Exam Duration: | 90 minutes |
| Exam Format: | Drag and Drop, Simulation, Multiple Choice |
| Recommended Training: | Dell EMC Education - Implementing Data Center Networking with OS10 |
| Exam Registration: | Dell EMC Education Services Pearson VUE Registration |
| Sample Questions: | EMC DES-5221 Sample Questions |
| Exam Way: | Online proctored or Onsite at authorized Pearson VUE testing centers |
| Pre Condition: | No formal prerequisites; recommended 6–12 months hands-on experience with Dell EMC Networking and data center environments |
| Official Syllabus URL: | https://education.dellemc.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 Discovery Protocols
The following will be discussed in DELL DES-5221 exam dumps:
- Policy-Based Routing
- Basic Routing - Configure IPv4 on an interface; identify when to utilize a gateway as a last resort; configure and modify static routes; test inter-VLAN routing
- Explain operations of BGP
- Border Gateway Protocol
- identify design best practices when configuring BGP in a leaf/spine environment; configure and validate BGP; Describe the operations and use cases for ECMP; configure and validate ECMP
- Open Shortest Path First - describe OSPF operation, and core components; configure and validate OSPF using; interpret OSPF show commands; describe the operations and use cases for ECMP; test inter-VLAN routing
- Describe the basic operation of PBR; identify PBR use cases; configure and validate PBR
- Describe the characteristics of discovery protocols; describe uses cases for using discovery protocols; explain how to configure and validate. Configure discovery protocols; interpret LLDP outputs
- Describe the characteristics of discovery protocols; describe uses cases for using discovery protocols; explain how to configure and validate. Configure discovery protocols; interpret LLDP outputs
EMC DES-5221 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Network Security and Access Control | 15% | - ACL implementation and management - Port security and control plane protection - AAA authentication and authorization |
| Layer 2 Switching and VLT | 20% | - VLANs, trunking, and spanning tree protocols - Virtual Link Trunking (VLT) architecture and configuration - VLT peer and backup links, domain settings - Troubleshooting VLT environments |
| Quality of Service & Troubleshooting | 15% | - QoS classification, marking, and queuing - Monitoring and diagnostic tools - Troubleshooting methodology and common issues |
| Dell EMC Networking OS10 Fundamentals | 15% | - OS10 architecture and features - Installation, upgrade, and basic configuration - File management and system monitoring |
| Data Center Virtualization & VXLAN | 15% | - Overlay network concepts - EVPN control plane integration - VXLAN architecture and configuration |
| IP Routing and Services | 20% | - Static routing and OSPF configuration - BGP basics and route policies - DHCP, DHCP relay, and PBR - VRF and route separation |
The coverage ratio is about 92%.
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