Câu 41: 4A0-100: Nokia Scalable IP Networks

Which statement accurately explains the purpose of the TCP protocol and what it provides?

1. A. The primary purpose of TCP is to provide reliable communications between application services. — đáp án hiện tại
2. B. The primary purpose of TCP is to provide unreliable communications between application services
3. C. The primary purpose of TCP is to provide IP routing between application services.
4. D. The primary purpose of TCP is to define the correct format for the application layer such as JPEG or HTML.