Exam 2: Network Topology

In a bus network,if two or more nodes transmit data at the same time,a ____ occurs.

The connections for the ____ of a network may be provided through dedicated phone lines,twisted pair cable,fiber optic cable line-of-sight microwave RF,ATM,or other form of electronic connection.

When a large amount of data must be sent between machines on a network,it is possible to set up a ____ between the machines.

A ____ is a portion of a network.

Describe a mesh network.

A ____ uses public network connections to establish private communication by encrypting the data transmitted between the two computers at each end of the connection.

A(n)____________________ circuit is a prearranged path through the network that all packets will travel for a particular session between machines.

Discuss the difference between a hub and a switch.

Even if the encrypted traffic is intercepted,chances are very small that the contents can be decrypted if a suitably strong encryption method and key are used.

____________________ is a logical,not physical,activity and is accomplished using a special subnet mask,such as 255.255.255.192.