Exam 1: Introduction to Computer Networks and Data Communications

The ____________________ layer of the OSI model is responsible for creating, maintaining, and ending network connections.

Briefly explain some examples of convergence in the wireless market.

____ is used to allow the numerous elements within a computer network to be managed from a single point.

What are the benefits of a microcomputer-to-local area network connection?

Data is information that has been translated into a form that is more conducive to storage, transmission, and calculation.

Metropolitan area networks are a cross between local area networks and ____________________ networks.

Metropolitan area networks can transfer data at fast, LAN speeds but over smaller geographic regions than typically associated with a local area network.

The devices that usually connect two or more LANs are the switch, hub, and ____.

The Internet is not a single network but a collection of thousands of networks.

In a(n) ______________________________ connection, the action of a person or object triggers a sensor that is connected to a network.

The ____________________ layer of the OSI model is responsible for establishing sessions between users.

A ____ is a high-speed network that interconnects multiple sites within a close geographic region, such as a large urban area.

To communicate with the Internet using a dial-up modem, a user's computer must connect to another computer that is already communicating with the Internet.

The data link layer of the OSI model can incorporate some form of error detection software.

The TCP/IP ____ layer supports network applications and may include presentation services.

Computer networks that use radio waves are termed ____________________ and can involve broadcast radio, microwaves, or satellite transmissions.