1. A packet is sent from one computer to another across a network. Various protocols move the packet down the OSI stack from the sending computer and up the OSI stack to the receiving computer. How do the protocols know where to send the packet?
A. Each packet has a trailer that contains source and destination addresses.
B. Each packet has a header that contains an alert signal and source and destination addresses.
C. The data portion of every packet stores all the source and destination information.
D. Special packets, called header packets, that contain only source and destination addresses are sent first. Every packet that follows the header packet is sent to the destination address contained in the header packet.
2. You are ...