Ed is a software developer who has been given the task of creating an application that requires guaranteed delivery of information between end systems. At which layer of the Open Systems Interconnection $($OSI$)$ model does the protocol that provides the guaranteed delivery run, and what type of protocol must Ed use?

Question $54$ options:

Data link layer; connectionless

Network layer; connection$-$oriented

Transport layer; connection$-$oriented

Application layer; connectionless