In the Open Systems Interconnect (OSI) Reference Model, at what level are TCP and UDP provided?
 
A.
 Transport
B.
 Network
C.
 Presentation
D.
 Application
Explanation:
TCP and UDP are examples of protocols working at the transport layer.
Incorrect Answers:
B: TCP and UDP work at the transport layer, not at the network layer.
C: TCP and UDP work at the transport layer, not at the presentation layer.
D: TCP and UDP work at the transport layer, not at the application layer.https://en.wikipedia.org/wiki/Network_layer
 
                