Packet Switching - Word Drop

A phone call uses ______ switching, where one dedicated connection is kept for the whole call. There could never be enough lines for everyone to be on the internet at once, so data is sent using packet switching instead. A file is broken into equal-sized ______ before it is sent.

Each packet has a ______ at the front. This holds the IP address of the computer it is going to and the IP address it came from. Each packet is also given a ______ number, so the receiver can put the packets back into the correct order. Packets may travel by different ______ across the internet, which is why they can arrive out of order.

Points on a network are called ______. A ______ is a node that forwards packets between networks. It reads the destination IP address in each packet and looks up the best path in its ______. It can also avoid the most ______ route. When all the packets arrive, the receiver checks each one for ______ and asks for any corrupt packets to be ______.