Question

Assume that an application-layer protocol is written to use the services of User Datagram Protocol. Can the application-layer protocol use the services of TCP without change? Explain.

Answer 1

Answer:

Assume that an application-layer protocol is written to use the services of UDP. Can the application-layer protocol uses the services of TCP without change? No, if an application is using the UDP protocol, it will not be able to use the TCP services as they are different protocols and provide different services.