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Exam 8: Communications and Networks

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Question 31

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Most firewalls include a special computer called a _______ server to manage communications between the internal networks and the outside world.

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Question 32

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_______ area networks are countrywide and worldwide networks.

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Question 33

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A firewall is a specialized technology designed to protect an organization's network against external threats.

Describe the differences between the three major physical connection mediums: twisted-pair cable, coaxial cable, and fiber-optic cable.

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

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

A LAN set up for a household's personal use is called a _______ network.

In a communication system, which among the following convert messages into packets that can travel across the communication channel?

Differentiate between a client/server network and a peer-to-peer network.

In a wireless LAN, all communications pass through the network's centrally located wireless access point or _______ station.

A(n) _______ is a private network that connects more than one organization.

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

Compare the high speed connection services: DSL, cable, Fiber-optic service (FiOS), satellite, and cellular services.

Describe the four categories of bandwidth.

This device enables connectivity between two LANS or a LAN and a larger network.

WiMax stands for _______.

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

_______ cable is a high-frequency transmission medium that has a single solid-copper core.

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

With respect to peer-to-peer network, there is an abundant amount of powerful management software that monitors the network activities.