4.5. Answers to Review Questions

  1. Duplexing is the means by which communication takes place. With full duplexing, everyone can send and receive at the same time. With half duplexing, communications travel in both directions but in only one direction at any given time.

  2. A server-based network is also known as a client/server network or a domain.

  3. With baseband, the entire medium's capacity is used for one signal. The speed possibilities are thus increased because the entire channel is utilized. With broadband, the medium is used to carry multiple signals.

  4. The Data Link layer takes data from the upper layers and prepares it for sending across the Physical layer.

  5. A gateway operates at the top four layers: Application, Presentation, Session, and Transport. ...

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