IP
traffic encryption
TCP/IP protocols are implemented by software, except for the bottom physical layer, which is implemented in hardware.
TCP and UDP are transport layer protocols; the OSI layer is layer 4 (transport)
TCP operates at transport layer
HTTP is implemented on top of TCP.
dns
UDP and TCP both are transport layer protocols. UDP is connection less and TCP is connection oriented. UDP is preferred over TCP when large amount data is to be sent like on skype or video conferencing .
Transport layer TCP/IP Protocols are TCP and UDP
transport
transport
There is a good descrition of the network layer and TCP in the related link. NO. In general TCP and UDP are transport protocols that operates in Layer 4 Transport Layer
Guaranteed reliable delivery is provided by TCP transport.