- Define the application layer as the source and destination of data for communication across networks.
- Explain the role of protocols in supporting communication between server and client processes.
- Describe the features, operation, and use of well-known TCP/IP application layer services (HTTP, DNS, SMTP).
Applications – The Interface Between Human and Data Networks
- Explain that applications provide the means for generating and receiving data that can be transported on the network
- Explain the role of applications, services and protocols in converting communication to data that can be transferred across the data network
- Define the separate roles applications, services and protocols play in transporting data through networks
- Describe the role protocols play in networking and be able to identify several message properties that can be defined by a protocol
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