You can take this quiz online at http://www.net-intro.com/quiz/
- What did early telephone operators do?
a) Maintained cell phone towers
b) Connected pairs of wires to allow people to talk
c) Installed copper wire between cities
d) Sorted packets as they went to the correct destination - What is a leased line?
a) A boundary between leased and owned telephone equipment
b) A connection between a keyboard and monitor
c) A wire that ran from one phone company office to another
d) An “always on” telephone connection - How long might a message be stored in an intermediate computer
for a store-and-forward network?
1.8. QUESTIONS 11
a) less than a second
b) no more than four seconds
c) less than a minute
d) possibly as long as several hours - What is a packet?
a) A technique for wrapping items for shipping
b) A small box used for storage
c) A portion of a larger message that is sent across a network
d) The amount of data that could be stored on an early punched
card - Which of these is most like a router?
a) A mail sorting facility
b) A refrigerator
c) A high-speed train
d) An undersea telecommunications cable - What was the name given to early network routers?
a) Interfaith Message Processors
b) Internet Motion Perceptrons
c) Instant Message Programs
d) Interface Message Processors - In addition to breaking large messages into smaller segments to be sent, what else was needed to properly route each message segment?
a) A source and destination address on each message segment
b) An ID and password for each message segment
c) A small battery to maintain the storage for each message segment
d) A small tracking unit like a GPS to find lost messages - Why is it virtually free to send messages around the world using the Internet?
a) Because governments pay for all the connections
b) Because advertising pays for all the connections
c) Because so many people share all the resources
d) Because it is illegal to charge for long-distance connections