Data Communications Networks Course
Master data communications networks for modern telecom. Learn secure routing, WAN design, QoS, VPNs, and high availability to build scalable, resilient multi-site networks that meet strict performance, security, and compliance demands.

from 4 to 360h flexible workload
certificate valid in your country
What will I learn?
This Data Communications Networks Course gives you practical skills to design secure, scalable, and resilient enterprise networks. Learn IP addressing, subnetting, routing architectures, WAN technologies, QoS, and VPN security with a focus on real-world requirements, capacity planning, and high availability so you can confidently improve performance, reliability, and protection across multi-site environments.
Elevify advantages
Develop skills
- Secure network segmentation: apply ACLs, VRFs, and VPNs to protect sites fast.
- Multi-site routing design: implement OSPF, EIGRP, and BGP for scalable WANs.
- WAN and QoS tuning: size links, map QoS, and prioritize voice and video traffic.
- High availability builds: design redundant links, gateways, and seamless failover.
- IP addressing strategy: plan VLANs, subnets, and dual-stack for growing enterprises.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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