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Wired And Wirless Technology Essay

1635 words - 7 pages

The basic concept of wired and wireless technology is radio frequency versus wired endpoint connectivity, both requiring hardware and network connectivity. Organizations or moreover home networks can choose a completely wired or wireless network. Wireless networks allow users to become more mobile, however speeds are not as proficient as wired, therefore many companies choose a wired and wireless network configuration, see Figure 3, Wired and Wireless Network Configuration for architecture details. This configuration also allows for additional security, increases data privacy, and secure transmission of data.

Figure 3: Wired and Wireless Network Configuration

Source: (Edwards, Grinter, Mahajan, & Wetherall, 2011, June, p. 64)

Hardware: Setting up your hardware is the first step in preparing your environment for both wired and wireless communication. Your computer must have a network interface card (NIC) this allows connectivity from your computer to the network. (Martin & Muscatello, 2005).

Network Connectivity: You will need a modem to establish connectivity to the internet using network cables (Ethernet). Your modem will work together with a router which is a device that routes traffic from one network to another using an ISP network. The router allows for user access to the internet. A hub or switch is used to join multiple computers or devices within a network, such as printers. Traditionally these are used within a star topology and allows for easy add/removal of additional computer to the network. (Martin & Muscatello, 2005). A switch can filter packets, however a hub cannot.

Wired Broadband

Wired networks, also known as local area network (LAN) is the most common type of Ethernet topology. (Martin & Muscatello, 2005). The composition of a wired network simply put, is two or more computers connected by wired cables, see Figure 4, Wired LAN Topology. Today, optical fiber has been used to transmit 100 terabits per second while Ethernet cable speeds can range upwards to 10 Gbps. Optical fiber is more effective in long distance data transmission, though signal degrades with both. Fiber delivers qualitative services with longer distance transmission rates, however Ethernet is more cost effective and easier to install.

Figure 4: Wired LAN Topology

Using a NIC or Ethernet adapter, a wired network can be used to connect one or more endpoints or can be used to connect to a wireless network topology, see Figure 5 which depicts a multi-access point topology. Ethernet adapters can be part of the computer’s internal component or built in port, but can also be external.

The 3 most commonly used wired topologies are star, ring, and bus.

Star: The more unsophisticated configuration, the star is a topology for a LAN which all computers are individually connected to a central access point such as hub or switch. With each computer individually connected, this topology...

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