Concept Exercise Chapter 1 Name:
Date: Class:
Cisco Exercises - Semester 2 - Networking Fundamentals
Chapter 1 OSI Review
Introduction
The enterprise is a corporation, agency, school, or other organization that will tie together its data, communication, computing, and file servers.
Developments on the enterprise network include
LANs interconnected to provide access to computers or file servers in other locations.
End-user needs for higher bandwidth on the LANs.
Relaying technologies for WAN service.
Concept Questions
Demonstrate your knowledge of these concepts by answering the following questions in the space provided.
Networking evolves to support current and future application. Give one example of this.
The OSI reference model organizes network functions into seven categories called layers. Name the seven layers and the functions they perform for review purposes.
Data flows from upper-level user applications to lower-level bits transmitted over network media. What is meant by network media?
Peer-to-peer functions use encapsulation and de-encapsulation to layer interfaces. Explain encapsulation.
Most network manager tasks configure the lower three layers. What kinds of activities would these tasks include?