Exam 8: Communications and Networks

In a network environment, a client provides resources for the servers.

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

A network topology in which the central node is connected to two or more subordinate nodes that in turn are connected to other sub-ordinate nodes.

What is a WLAN? How does it work?

The actual connecting or transmission medium that carries the message in a communication system is called the communication _____.

LTE stands for:

All communications between a company's internal networks and the outside world pass through this server.

Compare the high speed connection services: DSL, cable, satellite, and cellular services.

The range of Wi-Fi networks using microwave connections is being extended over greater distances using a new technology known as _____.

Cellular services use _____ to provide wireless connectivity to the Internet.

The most common cabling standard in LANs is called Ethernet.

Describe the four categories of bandwidth.

In a communication system, which among the following originate and accept messages in the form of data, information, and/or instructions?

Fiber-optic cable transmits data as pulses of light through tiny tubes of glass.

Describe the four basic elements of most communication systems.

In a computer network, this node requests and uses resources available from other nodes.

A(n) _____ network system uses one computer to coordinate and supply services to other nodes on the network.

_____ uses existing telephone lines to provide high-speed connections.

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

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