Exam 1: Introduction to Data Communications

Due to advances in high speed communication networks, the information lag, or the time it takes for information to be disseminated around the world, has been significantly shortened.

The ____________ layer of the OSI model is responsible for data format translation.

A MOOC is an example of an)

Data communication standards enable each layer in the sending computer to communicate with its corresponding layer in the receiving computer.

The network layer of the Internet model uses the _____________ protocol to route messages though the network.

Which of the following correctly represents order of the seven layers of the OSI model from layer 1 to layer 7?

A network administrator has received several reports from users of the network that the intranet website on one of company servers is not accessible, but the same users are still able to retrieve their email being stored on the same server. What layer of the Internet model does this problem appear to reside at?

An intranet is a LAN that uses Internet technologies and is publicly available to people outside of the organization.

Which of the following is not true about de jure standards?

Which of the following is a function of the transport layer?

Discuss three trends in communications and networking. Be sure to give four points for each of these trends, plus two in depth examples in your response.

From your own knowledge or background, discuss and describe three important applications of data communications networks for strategic, competitive advantage in business use. Give examples of three real world firms who have used networks for competitive advantage in the marketplace and discuss why these networks contributed to their expertise or competitive advantage.

Which of the following is not true about de facto standards?

The _______ is a connection of computers and networks built into common, everyday devices.

Compare and contrast a backbone network BN), a LAN, and a WAN.Do most organizations build WANs?

In the OSI model, the application layer provides a set of utilities for applications and is the end user's access to the network.

Which of the following is not an application layer standard?

It is not uncommon for companies to end up spending more money on network management and security tasks than they do on the actual computer equipment itself.

Which of the following is not true about a server?

An) ___________ is similar to an intranet in that it uses Internet technologies, but is developed for users outside the organization.