Networking Lexi Becker Chapter is broke in two parts How Networks Functions- Networking fundamentals Networking Architectures and components Connecting to the Internet Your Home Network- Installing and configuring home networks And securing wireless networks Networking Lexi Becker Lexi Becker

Networking Fundamentals Network: two or more computers that are connected via software and hardware so they can communicate with each other Node: each device that is connected to a network Throughput: speed of data transferred (Mbps) A computer network is simply two or more computers that are connected via software and hardware so they can communicate with each other. Each device that is connect to the network is call a node Ex. Computer, printer, game console The way data is transferred between devices is called throughput which is the speed that data is transferred. This speed is measured in Megabits per second (MBSP) 1 Megabit= 1 million bits Lexi Becker

Pros and CONS of Networks Benefits: Sharing Internet Connection Sharing printers and other peripheral devices Sharing Files Common Communication Disadvantages: Large networks can be costly and require a network administration Benefits Sharing Internet connection- sharing high speed internet Sharing Printers and other peripheral devices- ex. Multiple computers can print to the same printer without being connected by a wire Sharing files- share files without using portable devices like flash drives Common communications- running different operating systems can communicate on the same network Disadvantages: Network administration costs a lot of money but is necessary to install new computers and devices Monitor the network to ensure it’s performing efficiently Updating and installing new software on the network Setting up proper security Lexi Becker

5 Network Types WAN MAN LAN HAN PAN WAN- Wide Area Networking MAN- Metropolitan Area Networking LAN- Local Area Networking HAN- Home Area Networking PAN- Personal Area Networking Lexi Becker

Wide area networking WAN Wide Area Networking Covers the world Networked collection of local area networks Lexi Becker

Metropolitan Area Networking MAN Metropolitan area networking Specific geographic areas Internet access to residents and tourist Lexi Becker

Local Area Networking LAN Local area networking Small geographic area Schools, restaurants, businesses Lexi Becker

Home Area Networking HAN Home area networking Located in home Connect all of the home’s digital devices Lexi Becker

Personal Area Networking PAN Personal area networking Communication among devices close to one person Using Bluetooth and WIFI Lexi Becker

Levels of Administration Networks need to be managed in one of two ways 1. Centrally 2. Locally Lexi Becker

Central Administration Central Administration: tasks performed on one computer affect the other computers on the network Client/server network: Client: computer used to complete tasks and make requests Server: computer that provides information or resources to client computers Central Administration: tasks performed on one computer affect the other computers on the network Client/server network: Client: computer used to complete tasks and make requests Server: computer that provides information or resources to client computers These networks have 10 or more nodes Lexi Becker

Local Administration Local Administration: the configuration and maintenance of the network must be performed on each individual computer on the network Peer-to-peer network: each node connected on the network can communicate directly with every other node on the network Local Administration: the configuration and maintenance of the network must be performed on each individual computer on the network Peer-to-peer network: each node is connected on the network can communicate directly with every other node on the network Cost less than centrally located networks Common in homes and small school and offices Lexi Becker

Wired Networks Fiber-optic: plastic or glass fibers that transmit data at extremely fast speeds Twisted-pair: copper wires that are twisted around each other and surrounded by plastic jacket Coaxial: consist of a single cooper wire surrounded by layers of plastic Wired networks use various types of cables to connect nodes. The type of network and distance between nodes will determine the type of cable that is used Fiber-optic: plastic or glass fibers that transmit data at extremely fast speeds(HIGHLIGHT) Twisted-pair: copper wires that are twisted around each other and surrounded by plastic jacket Ex. Telephone cable(WRITE PHONE) Coaxial: consist of a single cooper wire surrounded by layers of plastic Lexi Becker

Internet Broadband- type of connection that offers a means to connect to the Internet with faster throughput Broadband- type of connection that offers a means to connect to the Internet with faster throughput Data transmission rate ranges from 1 to 500 Megabits per second DSL is the slowest and Fiber-optic is the fastest Lexi Becker

Net Neutrality Net Neutrality is the idea that data on the internet is treated equally, meaning there is no differential by the type of user, the content that is being uploaded or by the mode of transfer. Net Neutrality is the idea that data on the internet is treated equally, meaning there is no differential by the type of user, the content that is being uploaded or by the mode of transfer. So no matter what kind of broadband internet you are using you should receive your internet data the exact same…. With the understanding that some broadband’s throughput will be slightly different https://www.youtube.com/watch?v=DKB2cCarKUs Lexi Becker

Questions 1. Computer Network: two or more computers that are connected via software and hardware so they can communicate with each other 2. Fiber-optic, twisted-pair, and coaxial cables Fiber-optic: plastic or glass fibers that transmit data at extremely fast speeds Twisted-pair: copper wires that are twisted around each other and surrounded by plastic jacket Ex. Telephone cable Coaxial: consist of a single cooper wire surrounded by layers of plastic 3. Bandwith is another name for data transfer rate 4. Throughput is the actual speed of data transfer Throughput is measured in megabits per second (MBPS) 5. Network Neutrality: data on the internet is treated equally, there is no differential by the type of user, the content that is being uploaded, or by the mode of transfer Lexi Becker

Questions continued 5. Network Neutrality: data on the internet is treated equally, there is no differential by the type of user, the content that is being uploaded, or by the mode of transfer 6. Networks are classified by the DISTANCE BETWEEN THEIR NODES Five types of Networks WAN- Wide Area Networking (world…the Internet) MAN- Metropolitan Area Networking (city) LAN- Local Area Networking (business or school) HAN- Home Area Networking (home) PAN- Personal Area Networking (smartphone) Lexi Becker

Thank You! Lexi Becker