Capitulo 3

Capitulo 3

1. Reference models

   • the tcp/IP Protocol Model
   • The OSI
   • The benefits of Using a layered Model

2. Data Encapsilation

   • Message Segentation
   • Protocol data Units

3. Network Addresses

   • the network layer and the data link layer are responsible for sending data fro the source divace to the destination device
     • source IP address destination IP address
     • Data link layer source and destination addresses
     • Nekwort layer aource and destination addresses
   • Devices on the Same Network
     • Role of the Network layer addresses

4. standard organizations

   • Electonics and Comunications Standard Organization
   • Internet Standards
   • Open Standards
     • Open standards encourage intero`perability competition and innovation

5. Protocol SUites

   • TICO/IP communication Process
     • web sever that transmits
     • the TCP/IP protocol suite is implemented as a tcp/ip STACK on both sending and receiving hosts to provide full delivey of applications over the neteork

6. Network protocols and standards

   • Protocols Interaction
   • Rules that Govern ccommunications
     • protocol suites are sets of rules thah help solve problems
   • Netword Protocols
     • Netword protocols define a format and a set of common rules for exchan messages between devices

7. Communication Fundamentals

   • All communication methosds have three alements of common
     • the sender
     • the receptor
     • the channel

8. rule Establishment

   • the computer and network protocols define the details about the way in which message are tranmitted throough a networl
     • messege ecoding
     • Message Formatting and Encapsulation
     • messge Size

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