Exam 1: Introduction to Computer Networks and Data Communications

The ____ layer of the OSI model makes sure the data received at the very end of a transmission is exactly the same as the data originally transmitted.

Some people call computer terminals thick-client workstations.

The addition of control information to a packet as it moves through the layers is called ____.

The TCP/IP protocol suite does not have rigidly defined layers as the OSI model does.

A type of microcomputer-to-local area network connection that is growing in popularity is the wireless connection.

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

______________________________ is used to transfer files from one computer system to another.

The two most common architectures known today are the Open Systems Interconnection (OSI)model and the ____________________ protocol suite.

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

Explain what is meant by personal area network-to-workstation connections.

The TCP/IP ____ layer,sometimes called the Internet layer,is roughly equivalent to OSI's network layer.

The network layer of the OSI model is an end-to-end layer.

By the 1970s,telephone systems carried more computer data than voice.

____ are more advanced devices that are replacing hubs and are capable of filtering out unnecessary traffic.

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

The OSI model tells us what kind of wire or what kind of connector to use to connect the pieces of a network.