Answer: "Best-Effort"
Explanation: The IP protocol is neither responsible for delivering packets to destination nor those packets arrive in the same order than they were transmitted, i.e., does the "Best Effort", that's all.
These functions are responsibility of the transport layer, like TCP in the TCP/IP Suite.
Answer:
The answer to this question is given in the explanation section:
Explanation:
The correct Answer is : Opensource
Now lets talk about each option
Opensource: These are software whose code is available on internet and anyone can modify it and distribute it. They are usually under GNU or OSD compliance license.
Shareware: These are software which are freely available for some time.
commercial: These are software which has its own license and used commercially. They require payment to use.
Freeware: They are free to use.