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Chapter 13 (13.9 (Star topology (The star topology is probably the most…
Chapter 13
13.9
Star topology
The star topology is probably the most popular and describes a network where a small number of computers are connected where a small number of computers are connected to a central point
bus topology
The bus topology became widely used the use of coaxial cabling where one length of coaxial cable would pass by connect to each computer or device
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13.1
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The role of a network
in figure 13.2 you can see a typical group of workers in an office-based business. You can see there are variety of tasks performed. what role does the network play in this situation
13.2
Other protocols
The following list describes other protocols - Blue tooth is a standard communications protocol for low-power devices within short range. a master blue tooth device can communicate with up to seven devises in a we=wireless users group
Open protocols
Open protocols are more popular as they enable wider communications across a network and across the internet.
13.6
LAN, WAN and VPN
A local area network (LAN) is a group of computer and network devises that are connected, usually within the same building
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13.5
Wireless transmission
Many new networks are being developed that require little or no cabling. these are know as wireless network, and they give more flexibility to the layout of workstation and reduce the costs of installing networks
Wire-based media
For many years we have been able to interconnect computers using a variety of wire-based media and their corresponding hardware and software technologies
13.8
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Network administrator
some of the most important responsibilities for network administration include protecting the network and managing user data
13.7
Servers
Servers are like ordinary computers in some ways - they need processors, storage, monitors and network connectivity.
Connection devices
two essential components of communications networks are the servers and the user who connect to them
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