1.
Analog signal is discrete pulse, either on or off, that conveys information in a binary form. a.
True b.
False
2.
Telecommunications system is a combination of hardware and software that transmits information (text, data, graphics, and voice) from one location to another. a.
True b.
False
3.
Router is a small secondary computer, dedicated solely to communication that manages all routing communications with peripheral devices. a.
True b.
False
4.
Broadcast media is communication channels that use electromagnetic media to transmit data a.
True b.
False
5.
Bandwidth is the range of frequencies available in a communications channel stated in bits per second. a.
True b.
False
6.
Leased line is a high-speed, digital data-transmission technology using existing analog telephone lines a.
True b.
False
7.
The network transport layer validates the integrity of the flow of data a.
True b.
False
8.
Transmission control protocol / internet protocol (TCP/IP) is the most common network protocol used in large corporations only a.
True b.
False
9.
Application layer defines the way that applications programs, such as e-mail, interact with the network. a.
True b.
False
10.
Peer-to-Peer processing is a form of distributed processing in which some machines (servers) perform computing functions for end –user PCs (clients) a.
True

b.
False
11.
Wi-Fi is a wireless technology that enables temporary, short-range connection, less than 30 ft., between wireless devices a.
True b.
False
12.
What is communication channel that uses towers to send wireless signals; used for high-volume, long-distance, point-to-point communication?. a.
microwave transmission b.
satellite transmission c.
radio Transmission d.
cellular Radio Technology e.
non of the above
13.
__________ defines the protocols for data routing to ensure that information arrives at the correct destination a.
Data Link Layer b.
Network Layer c.
Session Layer d.
Transport Layer
14.
______________ defines the way data is formatted, converted and encoded a.
Data Link Layer b.
Network Layer c.
Session Layer d.
Presentation Layer
15.
_______________coordinates communications and maintains the session for as long as needed including security and log-on a.
Data Link Layer b.
Network Layer c.
Session Layer d.
Presentation Layer