Computer Networking
If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?

Flood the network with the frame
Discard it and send an error message back to the originating host
Add the source address and port to the MAC address table and forward the frame out the destination port
Add the destination to the MAC address table and then forward the frame

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Computer Networking
What is a stub network?

A network with only one entry and no exit point.
A network with more than one exit point.
A network with more than one exit and entry point.
A network that has only one entry and exit point.

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Computer Networking
Ethernet and Token-Ring are the two most commonly used network architectures in the world. Jim has heard of the different topologies for networks and wants to choose the architecture that will provide him with the most options. Which of the following would that be? Choose the most correct answer.

Token-Ring, because it uses a MAU
Ethernet, because it is cabled using fiber-optic cable
Neither Token-Ring nor Ethernet is the proper choice. Only ARCnet can be used in all topologies
Ethernet, because it can be set up with most topologies and can use multiple transfer speeds
Token-Ring because it currently can run at both 4Mbps and 16Mbps. This means that it can be used in any topology

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Computer Networking
Contention is

None of these
the condition when two or more stations attempt to use the same channel at the same time
a continuous frequency capable of being modulated or impressed with a second signal
One or more conductors that serve as a common connection for a related group of devices
a collection of interconnected functional units that provides a data communications service among stations attached to the network

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