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EtherChannel takes multiple physical links between two switches and bundles them into a single logical link with the combined bandwidth.

Every CCNA candidate memorizes the OSI seven-layer model and the four-layer TCP/IP model. The exam tests both. What students

DTP - the Dynamic Trunking Protocol - is Cisco's way of having two switches automatically agree to form

A VLAN is a logical broadcast domain that lives on top of a physical switch. The switch can have a

Layer 2 switching boils down to one mechanism: the CAM table (Content-Addressable Memory), also called the MAC address table. The

IPv6 static routes look almost identical to IPv4 static routes. There is one wrinkle worth knowing: when you use a