CSP CH 2 QUIZ Questions with Correct Answers

In the Internet Simulator, your router knows to send your message to a different router because: - Answer-The first 4 bits of the address specify the router number that your friend is on. Router - Answer-A type of computer that forwards data across a network Network Redundancy - Answer-having multiple backups to ensure reliability during cases of high usage or failure If the post office delivered mail exactly like routers deliver messages on the internet, which 2 of the following statements would be true? - Answer-The mailman would sometimes take a different path to deliver each letter to your home. Letters would be written on the outside of envelopes for all to read instead of letters put inside envelopes. Which two of the following statements are true about routing on the Internet. - Answer-A packet travelling between two computers on the Internet may be rerouted many times along the way. A packet contains addressing information to allow routers to decide how best to forward along that packet towards its destination. Relative benefits of routing over a broadcast style of communication - Answer-Routing messages to a specific address rather than broadcasting the message reduces the number of people who automatically see it, and addressed traffic is more secure than broadcasted Can you know in advance the path a message will take between you and another computer on the Internet? - Answer-No, because the most efficient route will change depending on traffic and what other routers are online. packets - Answer-Small chunks of information that have been carefully formed from larger chunks of information. TCP (Transmission Control Protocol) - Answer--provides reliable, ordered, and errorchecked delivery of a stream of packets on the internet.