2.7 Questions-Chapter 2

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You can take this quiz online at http://www.net-intro.com/quiz/
1) Why do engineers use a “model” to organize their approach to solving a large and complex problem?
a) Because it allows them to build something small and test it in a wind tunnel
b) Because talking about a model delays the actual start of the hard work
c) Because they can break a problem down into a set of smaller problems that can be solved independently
d) Because it helps in developing marketing materials

2) Which is the top layer of the network model used by TCP/IP networks?
a) Application
b) Transport
c) Internetwork
d) Link

3) Which of the layers concerns itself with getting a packet of data across a single physical connection?
a) Application
b) Transport
c) Internetwork
d) Link

4) What does CSMA/CD stand for?
a) Carrier Sense Multiple Access with Collision Detection
b) Collision Sense Media Access with Continuous Direction
c) Correlated Space Media Allocation with Constant Division
d) Constant State Multiple Address Channel Divison

5) What is the goal of the Internetwork layer?
a) Insure that no data is lost while enroute
b) Get a packet of data moved across multiple networks from its source to its destination
c) Make sure that only logged-in users can use the Internet
d) Insure than WiFi is fairly shared across multiple computers

6) In addition to the data, source, and destination addresses, what else is needed to make sure that a message can be reassembled when it reaches its destination?
a) An offset of where the packet belongs relative to the beginning of the message
b) A location to send the data to if the destination computer is down
c) A compressed and uncompressed version of the data in the packet
d) The GPS coordinates of the destination computer

7) What is “window size”?
a) The sum of the length and width of a packet
b) The maximum size of a single packet
c) The maximum number of packets that can make up a message
d) The maximum amount of data a computer can send before receiving an acknowledgement

8) In a typical networked client/server application, where does the client application run?
a) On your laptop, desktop, or mobile computer
b) On a wireless access point
c) On the closest router
d) In an undersea fiber optic cable

9) What does URL stand for?
a) Universal Routing Linkage
b) Uniform Retransmission Logic
c) Uniform Resource Locator
d) Unified Recovery List

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