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Data Communications 1. What is the “hidden node” problem, and what do you need to do...

Data Communications

1.

What is the “hidden node” problem, and what do you need to do about it in the best LAN design for wireless?

2.

What is the difference in a logical and physical topology?

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Answer #1

Answer 1
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Hidden node means it can communicate with access point but it is out of reach from other nodes or can not directly communicate with each other this problem generally occur in wireless , in LAN there are all nodes are connected with each other directly except that node is turn off.

Answer 2
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PHYSICAL TOPOLOGY

LOGICAL TOPOLOGY

Refer to how a network look and functions.

Fashion in which data travels logistically.

Bus, star, ring and mesh topologies.

Logical bus and the logical ring.

Physical connections of cables and devices.

Path traveled by data in a network.

Cost, scalability, flexibility, bandwidth capacity, etcetera.

Data delivery causing lost packets or congestion.

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