Data Communications Networks Course
This course teaches data communications networks for telecom. It covers secure routing, WAN design, QoS, VPNs, and high availability to create scalable, resilient multi-site networks meeting performance, security, and compliance needs in enterprise settings.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Gain practical skills in designing secure, scalable enterprise networks. Master IP addressing, subnetting, routing, WAN technologies, QoS, and VPN security, focusing on real-world capacity planning and high availability for reliable multi-site operations.
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 by sizing links, mapping QoS, and prioritizing voice and video.
- High availability builds with redundant links, gateways, and seamless failover.
- IP addressing strategy planning VLANs, subnets, and dual-stack for 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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