Exam 8: Communications and Networks

Explain how global positioning functions.

In a peer-to-peer network, only the central host computer supplies the resources, the other computers request resources from this host.

Intrusion detection systems can recognize signs of a network attack and disable access before an intruder can do damage.

Connection devices are the actual connecting or transmission medium that carries the message.

A MAN is a network that is frequently used as links between office buildings that are located throughout a city.

Which physical connection is the fastest?

Network architecture describes how a computer network is configured and what topologies and strategies are employed.

A network gateway can be used to connect the LAN of one office group to the LAN of another office group.

A wireless access point that provides Internet access in a public place such as a coffee shop, library, bookstore, or university.

Modulation is the name of the process of converting from digital to analog.

Telephone lines use coaxial cables.

_______ is the name of the process of converting from analog to digital.

Describe the four basic elements of most communication systems.

A network _______ is a device that allows one LAN to be linked to other LANs or to larger networks.

What are the advantages and disadvantages of using a peer-to-peer system?