CCNA

Cisco three-layered hierarchical model

May 1,95

Because large networks can be extremely complicated, with multiple protocols and diverse technologies, Cisco has developed a layered hierarchical model …

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IEEE Ethernet standards

May 1,95

Ethernet is defined in a number of IEEE (Institute of Electrical and Electronics Engineers) 802.3 standards. These standards define the …

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CSMA/CD explained

May 1,95

Half-duplex Ethernet networks use an algorithm called Carrier Sense Multiple Access with Collision Detection (CSMA/CD). This algorithm helps devices on …

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Broadcast domain explained

May 1,95

The term broadcast domain is used to describe a group of devices on a specific network segment that can reach …

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Collision domain explained

May 1,95

The term collision domain is used to describe a part of a network where packet collisions can occur. Packet collisions occur …

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What is a router?

Apr 30,95

A router is a network device that connects different computer networks by routing packets from one network to the other. This …

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