Data Communications Networks Course
Master data communications networks for modern telecom. Gain skills in secure routing, WAN design, QoS, VPNs, and high availability to create scalable, resilient multi-site networks meeting performance, security, and compliance standards in enterprise environments.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
This course equips you with practical skills to design secure, scalable, resilient enterprise networks. Cover IP addressing, subnetting, routing architectures, WAN technologies, QoS, and VPN security, focusing on real-world needs, capacity planning, and high availability for better performance, reliability, and protection across multi-site setups.
Elevify advantages
Develop skills
- Secure network segmentation using ACLs, VRFs, and VPNs to protect sites.
- Multi-site routing design with OSPF, EIGRP, and BGP for scalable WANs.
- WAN and QoS tuning: size links, map QoS, prioritise 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 the 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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