Exam 5: Networks and the Internet

Item ____ in the picture above is a high-capacity cable used to transport TV signals.

The figure above shows the organizational structure of a ____ network.

Item 1 in the picture above is an essential part of the Internet backbone.

In order to offer television and Internet access, the cable's bandwidth is divided among the following activities EXCEPT ____.

A(n)____ cable is high capacity, and is the type used to transport TV signals.

____ Internet access links your computer to an ISP from a stationary point, such as a wall socket or roof-mounted antenna.

Define the following network devices and explain their differences: network hub, network switch, and network router.

The Ethernet adaptor pictured above is for a USB port.

In a network like the one shown in the figure above, workstations share responsibility for processing, storage, printing, and communications tasks.

Most wireless networks transport data as ____ signals.

Coaxial cables are bundles of extremely thin tubes of glass that transmit data as pulses of light.

Which of the following is NOT true about WAP-enabled devices?

Which of the following is true about DSL lines?

____________________ is the transmission capacity of a communications channel.

____ is a software utility that is useful for finding out if a site is running and if the connection is strong.

Local Area Networks (LANs)connect computers within a limited geographical area, usually spread over several buildings.

One of the most significant network ideas was conceived by Bob Metcalfe in 1948.

Sam was recently employed as the technology coordinator for XYZ High School. He is responsible for installing, maintaining, and managing the school's network. List the five steps Sam should use to install a local area network on campus.

Item 1 in the above figure is a ____.

For ____ Internet service, a satellite dish is typically mounted on a vehicle.