Lesson Objectives
18
All of you should be able to define computer network Most of you will be able to identify the main elements of networks and their main types. Some of you will be able to describe how a network works. Lesson Objectives
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Lesson Objectives. All of you should be able to define computer network Most of you will be able to identify the main elements of networks and their main types. Some of you will be able to describe how a network works. Networks. Ing. Omar Alvarez Badillo. What is a computer network?. - PowerPoint PPT Presentation
Transcript of Lesson Objectives
All of you should be able to define computer network
Most of you will be able to identify the main elements of networks and their main types.
Some of you will be able to describe how a network works.
Lesson Objectives
NetworksIng. Omar Alvarez Badillo
What is a computer network?
Collection of computers or digital devices interconnected (through an specific medium) with the aim of sharing resources and sending and receiving information.
What is a computer network?
In which two ways can you connect your laptop to a network?
Network connecting mediums
Wired Ethernet Cable Coaxial Cable Fiber Optics
Wired mediums of connection
Bluetooth
WiFi
Wireless mediums of connections
Network
Computers Network Switch
Computer networking device that can connect two or more networks/devices between them.
They can have from 4 up to 32 Ethernet ports. Router
Computer networking device that forwards information between two networks
What kind of devices can we find in a Network?
Wireless Access Point (AP)
Firewall
Servers
What kind of devices can we find in a Network?
Network
Switch or Hub Wireless Access Point
Server
Can all the computers use the printer?
Switch or Hub Wireless Access Point
Server
Comp 1
Comp 2
Comp 3
Comp 4 Comp 5
Can I see a file that is in Comp1 from Comp5?
Switch or Hub Wireless Access Point
Server
Comp 1
Comp 2
Comp 3
Comp 4 Comp 5
Can I share data between Wired and Wireless network?
Switch or Hub Wireless Access Point
Server
Comp 1
Comp 2
Comp 3
Comp 4 Comp 5
If I wanted to connect the network to the Internet, how
would I do it?
Switch or Hub Wireless Access Point
Server
Comp 1
Comp 2
Comp 3
Comp 4 Comp 5
How is the information sent from Comp 1 to Computer 2?
Switch or Hub Wireless Access Point
Server
Comp 1
Comp 2
Comp 3
Comp 4 Comp 5
What is an IP address and why are they used for?
Switch or Hub Wireless Access Point
192.168.0.7
192.168.0.2
192.168.0.3
192.168.0.4
192.168.0.5 192.168.0.6
IP stands for Internet Protocol A unique address inside a network that
allows us to identify each computer. Built by 4 blocks of numbers ranging
between 0 and 255. Ex: 192.168.0.5 168.0.15.2
IP address
