<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  What is the key difference between TCP and UDP ? Context: The key difference between TCP and UDP is TCP being connection-oriented and UDP being connectionless. Answer: [/INST]TCP is connection-oriented, while UDP is connectionless.</s>