Explain the Principle of "Closed Circuit" Operation of SCBA Units

question 78

Essay

Explain the principle of "closed circuit" operation of SCBA units.

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Definitions:

Token

A special data packet used to pass data on a network.

Data Collisions

A phenomenon where two or more data packets transmitted at the same time on a network segment collide, causing a disruption in communication.

Ring Networks

A network configuration where each device is connected to two other devices, forming a circular data path.

File Server

A server that stores and manages files for network users or that acts as a storehouse for files that users can download.