Here are the answers to your questions:
Question 4: Which of the following states the information contained in a packet?
Response: The entirety of a digital message, and metadata about the message, including where it came from and where it is going.
Question 5: Is this statement True or False? All data sent over the internet is broken down into several packets and sent over the network.
Response: True
Question 6: ______________________ allows for sending multiple packets between two computers by checking that all packets arrived and that they can be put back together in the proper order.
Response: Transmission Control Protocol (TCP)