- Why do engineers use a "model" to organize their approach to solving a large and complex problem?
Because it allows them to build something small and test it in a wind tunnel
Because talking about a model delays the actual start of the hard work
Because they can break a problem down into a set of smaller problems that can be solved independently
Because it helps in developing marketing materials
- Which is the top layer of the network model used by TCP/IP networks?
- Which of the layers concerns itself with getting a packet of data across a single physical connection?
- What does CSMA/CD stand for?
Carrier Sense Multiple Access with Collision Detection
Collision Sense Media Access with Continuous Direction
Correlated Space Media Allocation with Constant Division
Constant State Multiple Address Channel Divison
- What is the goal of the Internetwork layer?
Insure that no data is lost while enroute
Get a packet of data moved across multiple networks from its source to its destination
Make sure that only logged-in users can use the Internet
Insure than WiFi is fairly shared across multiple computers
- 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?
An offset of where the packet belongs relative to the beginning of the message
A location to send the data to if the destination computer is down
A compressed and uncompressed version of the data in the packet
The GPS coordinates of the destination computer
- What is "window size"?
The sum of the length and width of a packet
The maximum size of a single packet
The maximum number of packets that can make up a message
The maximum amount of data a computer can send before receiving an acknowledgement
- In a typical networked client/server application, where does the client application run?
On your laptop, desktop, or mobile computer
On a wireless access point
On the closest router
In an undersea fiber optic cable
- What does URL stand for?
Universal Routing Linkage
Uniform Retransmission Logic
Uniform Resource Locator
Unified Recovery List