CCNA Module 1

• ICT
• Middelbare school
• HBO
• MBO
• Studiejaar 1

MODULE 1

Networks Affect our Lives

World without boundaries

Global Communities

Human Network

How does data transfer from one place to another?

How does the internet work?

Network Components

Host Roles

Peer-to-Peer

End Devices

Intermediary Devices

Network Media

Host Roles 

Host

Servers

        e-mail server - gmail

         web server - google

         file server - drop box

Clients

Peer-to-Peer 

One device acts as Client and Server

eg Torrent, Bitcoin 

End Devices - An end device is either the source or destination of a message transmitted over the network

Intermediary Devices - devices that connect the individual end devices to the network

Network Media - Communication Transmission

Which of the following is the name for all computers connected to a network that participate directly in network communication?

1. Servers
2. Intermediary devices
3. Hosts
4. Media

When data is encoded as pulses of light, which media is being used to transmit the data?







Which two devices are intermediary devices? (Choose two)

1. Wireless
2. Fiber-Optic cable
3. Copper cable
4. All of them

Which two devices are intermediary devices? (Choose two)






Which two devices are intermediary devices? (Choose two)

1. Hosts
2. Routers
3. Switches
4. Servers

Network Representations and Topologies

Network Representations and Topologies

Network Interface Card (NIC) - A NIC physically connects the end device to the network.

Physical Port - A connector or outlet on a networking device where the media connects to an end device or another networking device.

Interface - Specialized ports on a networking device that connect to individual networks. Because routers connect networks, the ports on a router are referred to as network interfaces.

Types of Networks

What are the common types of network?

Intranet vs Extranet