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Computers are physically connected by a variety of mediums, including "Wi-Fi," "Ethernet," and "fiber optics." The only requirement for these connections to physically exist is that each end of the connection must have a way to interface with the medium being used over a common physical protocol. For Wi-Fi, for example, both sides must be equipped with antennas and broadcasters capable of receiving and sending signals at the proper frequencies. The OSI network model refers to these connections as the "Physical Layer", the lowest level in the model. In all cases, both ends communicating at the Physical Layer level must be using the same medium and physical signalling characteristics.
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RafaComputers in a network are physically connected through network cables such as Ethernet cables or fiber optic cables. These cables are plugged into network switches or routers which help to route data between the connected devices. Wireless networks use radio waves to connect devices without the need for physical cables.
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Many business computers have three distinc and world wide uniue identifiers What are they?
The three distinct and worldwide unique identifiers for business computers are typically the MAC address (Media Access Control), the IP address (Internet Protocol), and the hostname (assigned name to the device on the network).
What is the purpose of the TCPIP Network Access layer?
The purpose of the TCP/IP Network Access layer is to handle the physical transmission of data on the network, including addressing, routing, and flow control. It is responsible for converting data into signals for transmission and vice versa, ensuring that data is transmitted correctly between devices on the network.
What type of search term is network AND secur?
The search term "network AND secur" is an example of a Boolean search using the operator 'AND'. It indicates that search results must include both terms, "network" and "security", to be retrieved.
What problem can be encountered if a school cannot afford to provide enough computers to students?
If a school cannot afford to provide enough computers to students, students may have limited access to technology for learning and may fall behind in technology skills. This could also widen the digital divide between students who have access to technology and those who do not.
What is the percentage of people physically handicapped in India?
Around 2-3% of the population in India is estimated to be physically handicapped. However, the exact percentage may vary based on different sources and definitions of physical handicaps.
