What is WAN? | CCNA Networking Concept

This video explains WAN (Wide Area Network)—a core CCNA networking concept used to connect multiple LANs across cities, countries, or continents. You’ll learn what WAN is, why it’s required, common WAN technologies, and real-world enterprise use cases. Understanding WAN is essential for routing, SD-WAN, ISP connectivity, and troubleshooting.

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What you'll learn:
What is WAN and why it’s used
WAN vs LAN differences
Common WAN technologies (MPLS, leased line, Internet, SD-WAN)
Role of ISPs and service providers
WAN topologies (hub-spoke, full mesh)
Performance factors (latency, bandwidth)
CCNA exam relevance

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Видео What is WAN? | CCNA Networking Concept канала GuiNet