Communicating over the Network

Objectives

• Describe the structure of a network, including the devices and media that are necessary for successful communications.
• Explain the function of protocols in network communications.
• Explain the advantages of using a layered model to describe network functionality.
• Describe the role of each layer in two recognized network models: The TCP/IP model and the OSI model. Describe the importance of addressing and naming
• schemes in network communications

Network Structure

1.  Define the elements of communication

• 3 common elements of communication

•  message source
•  the channel
•  message destination

      2. Define a network

• data or information networks capable of carrying many different types of communications

     3. Describe how messages are communicated

• Data is sent across a network in small “chunks” called segments

       4. Define the components of a network

–  Network components

• hardware
• software

     5. End Devices and their Role in the Network

–  End devices form interface with human network & communications network
–  Role of end devices:

• client
• server
• both client and server

Next, please download the links Below

click here
or

http://www.ziddu.com/download/14526333/20110407_CCNA_Chapter2a.pdf.html

Kindly Bookmark this Post using your favorite Bookmarking service: