Week 25 Module
The objectives for the lesson will be as follows:
The objectives for the lesson will be as follows:
1) Students will explain what a network is (Weixel, 2017).
1) Students will explain what a network is (Weixel, 2017).
2) List media commonly used in networks (Weixel, 2017).
2) List media commonly used in networks (Weixel, 2017).
3) Discuss how computers communicate (Weixel, 2017).
3) Discuss how computers communicate (Weixel, 2017).
4) Describe how local area networks work (Weixel, 2017)
4) Describe how local area networks work (Weixel, 2017)
5) Define how local area networks allow information sharing (Weixel, 2017).
5) Define how local area networks allow information sharing (Weixel, 2017).
6) Compare peer to peer and client/server networks (Weixel, 2017)
6) Compare peer to peer and client/server networks (Weixel, 2017)
7) Identify the purpose and components of a wide area network (Weixel, 2017).
7) Identify the purpose and components of a wide area network (Weixel, 2017).
A network is a collection of two or more computers that are connected to each other (Weixel, 2017). The main purpose of a network is allow people to "collaborate" by sharing information, such as "files and programs" (Weixel, 2017). A network may consist of a few computers that are connected to each other. On the other hand, a network might consist of hundreds or thousands of computers connected together, with the whole goal of sharing information (Weixel, 2017).
A network is a collection of two or more computers that are connected to each other (Weixel, 2017). The main purpose of a network is allow people to "collaborate" by sharing information, such as "files and programs" (Weixel, 2017). A network may consist of a few computers that are connected to each other. On the other hand, a network might consist of hundreds or thousands of computers connected together, with the whole goal of sharing information (Weixel, 2017).
Computers are usually connected to the network via cables, such as twisted wire telephone wires, coaxial cables, fiber optics, or through a wireless connection (Wexiel, 2017). An important thing to note is that networks only have a certain amount of bandwidth capacity. Bandwidth is measured in either gigabits per second or megabits per second. As a result, one of the jobs of the network is to determine how much bandwidth is to be allocated to each computer for downloading or uploading information. This is done so that the computers, in the network, have enough bandwidth to continue to function properly.
Computers are usually connected to the network via cables, such as twisted wire telephone wires, coaxial cables, fiber optics, or through a wireless connection (Wexiel, 2017). An important thing to note is that networks only have a certain amount of bandwidth capacity. Bandwidth is measured in either gigabits per second or megabits per second. As a result, one of the jobs of the network is to determine how much bandwidth is to be allocated to each computer for downloading or uploading information. This is done so that the computers, in the network, have enough bandwidth to continue to function properly.
Some computers come with a Network Interface Card (NIC). The Network interface Card is what allows the computer to connect to the network. Most computers, today, have an internal NIC built in to them. However, this was not always the case in the past. People often had to buy an external NIC to connect to the internet. "The NIC handles the amount of information going into and out of the computer" (Weixel, 2017). This is often shown by the green light that flashes on the device.
Some computers come with a Network Interface Card (NIC). The Network interface Card is what allows the computer to connect to the network. Most computers, today, have an internal NIC built in to them. However, this was not always the case in the past. People often had to buy an external NIC to connect to the internet. "The NIC handles the amount of information going into and out of the computer" (Weixel, 2017). This is often shown by the green light that flashes on the device.
References: Weixel, S. (2017). Principles of Information Technology: Preparing for IC³ certification. Pearson.
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