Answer:
I. Improper cable installation.
II. Interference between the signals on cables close to each other.
III. Improper connection of a network cable to the jack
Step-by-step explanation:
The standard framework for the transmission of informations on the internet, it is known as the internet protocol suite or Transmission Control Protocol and Internet Protocol (TCP/IP) model. Thus, the standard Internet communications protocols which allow digital computers to transfer (prepare and forward) data over long distances is the TCP/IP suite.
In this scenario, Mark is unable to connect to the internet or to any of the computers on his network, while nearby computers don’t have this problem. Therefore, the three issues which could be causing the problem are;
I. Improper cable installation: this involves not installing the ethernet cable in the correct destination port.
II. Interference between the signals on cables close to each other: interference usually results in the disruption in network signals.
III. Improper connection of a network cable to the jack: the right connectors such as RJ45 should be used.