Exam 7: Telecommunications, the Internet, and Wireless Technology

The most common LAN operating systems are Windows,Linux,and Novell.

The range of frequencies that can be accommodated on a particular telecommunications channel is called its ________.

The number of cycles per second that can be sent through any telecommunications medium is measured in kilobytes.

Bob is trying to decide to decide which type of physical transmission media to install that his LAN needs.Bob is in an older building in the downtown core of the city.He needs speeds up to 1 Gbps and the network needs to have a maximum run of 60 metres.Which type of transmission media is Bob going to install?

Identify the layers of the Department of Defense reference model for TCP/IP,and describe how this model works.

What are wireless sensor networks? How do they work and what are they used for?

The backbone networks of the Internet are typically owned by long-distance telephone companies called ________.

Which signal types are represented by a continuous waveform?

Each computer on the network contains a network interface device called a network operating card (NOC).

A hub is a networking device that connects network components and are used to filter and forward data to specified destinations on the network.

________,similar to that used for cable television,consists of thickly insulated copper wire,which can transmit a larger volume of data than twisted wire.

In a ring topology,one station transmits signals,which travel in both directions along a single transmission segment.

Which of the following is NOT a characteristic of packet switching?

IP refers to the Internet Protocol (IP),establishes a connection between the computers,sequences the transfer of packets,and acknowledges the packets sent.

TCP/IP uses a suite of ________,the main ones being TCP and IP.

How does packet switching work?

The domain name is the English-like name that corresponds to the unique 32-bit numeric IP address for each computer connected to the Internet.

IPv6 is being developed in order to

________ span broad geographical distances-entire regions,states,continents,or the entire globe.

Internet2 and Next-Generation Internet (NGI)are consortia representing 200 universities,private businesses,and government agencies in the United States working on a new,robust,high-bandwidth version of the Internet.