| Explanation & Hint:
The two statements that are true regarding early TCP/IP development are:
- The focus was on solving the technical challenges of moving information quickly and reliably, not to secure it.
- Early development of TCP/IP was indeed centered on creating a robust and efficient method for transmitting data across diverse networks. Security was not a primary consideration at the time.
- The model was developed as a flexible, fault-tolerant set of protocols.
- The TCP/IP model was designed to be flexible and resilient, capable of rerouting traffic around failed nodes and continuing communication even in adverse conditions, which was a key feature that contributed to its widespread adoption.
The other statements are incorrect:
- TCP/IP was the only network protocol suite available and was developed for internet work environments.
- This statement is false because TCP/IP was not the only network protocol suite available at the time. There were other competing protocols, such as the OSI (Open Systems Interconnection) model and proprietary protocols like IPX/SPX used by Novell Netware, among others.
- The design and architecture of TCP/IP have not changed since its adoption in the early 1970s.
- This statement is also false. The design and architecture of TCP/IP have undergone significant evolution since the early days to support the explosive growth of network scale, address security concerns, and enable new applications. Although the fundamental principles remain, many aspects have been updated and new standards have been developed.
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