<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:  Describe the types of network topologies. Context: The types of network topologies include bus, star, ring, and mesh configurations. Answer: [/INST]They include bus, star, ring, and mesh configurations.</s>