atm stands for
CCNA
WAN Encapsulation Protocols
The network layer passes the data to the data link layer for transmission over the physical layer. The Data Link layer creates frames by adding the necessary checks and controls around the Network layer data. The encapsulation on a router serial interface must be configured to guarantee the correct encapsulation method is used. Different WAN...
CCNA
Ethernet Standards: The Backbone of Modern Networking in 2025
In 2025, Ethernet standards remain the cornerstone of reliable, high-speed networking for homes, businesses, and data centers. From streaming 8K videos to powering smart cities, Ethernet’s balance of speed, affordability, and scalability makes it the go-to technology for wired networks. This guide explores Ethernet’s evolution, key standards, and how to choose the right one for...