Midterm Review Electronic Communications
You are allowed to bring one (doublesided) page of handwritten notes to the test. Exam will contain multiple choice, fillin missing words, define, describe, identify, give examples of, interpret, explain, calculate, and draw types of questions. You should be able to know the terminology and concepts listed below. Introduction to Electronic Communication – Chapters 1–2, class notes
● Difference between:
○ Computer network
Any telecommunication connection that allows computers to electronically exchange data
○ I nterne t Any set of (inter)connected networks … “inter”-”net”
○ Intranet
Network that is not available to the outside world
○ The Internet Global system of interconnected computer networks that uses the
TCP/IP protocol suite to link billions of computers worldwide
○ World Wide Web (WWW) System of interlinked hypertext documents that are accessed via the Internet using web browsers
● Basic components of a computers network
○ message info to be communicated
○ sender device that sends message
○ receiver device that receives the message
○ medium physical path from sender to receiver
○ set of rules that govern data communications
● General structure of the Internet
○ basically, just a network of networks that allows packets to pass through
○ uses protocol stack and layered model
● What is a protocol
○ Set of rules that define format, order of messages send and receive, action taking on message transmission rc
● Layering structure of networking
○
Physical Layer
○ Network Interface Layer Specify details about communication between higher layers of protocols (implemented in software) and the underlying network (implemented in hardware): network addresses, maximum packet size that a network can support, how to access the underlying medium, hardware addressing ○ Internet Layer
Fundamental for the Internet; specify communication across the Internet (spanning multiple interconnected
● Difference between:
○ Computer network
Any telecommunication connection that allows computers to electronically exchange data
○ I nterne t Any set of (inter)connected networks … “inter”-”net”
○ Intranet
Network that is not available to the outside world
○ The Internet Global system of interconnected computer networks that uses the
TCP/IP protocol suite to link billions of computers worldwide
○ World Wide Web (WWW) System of interlinked hypertext documents that are accessed via the Internet using web browsers
● Basic components of a computers network
○ message info to be communicated
○ sender device that sends message
○ receiver device that receives the message
○ medium physical path from sender to receiver
○ set of rules that govern data communications
● General structure of the Internet
○ basically, just a network of networks that allows packets to pass through
○ uses protocol stack and layered model
● What is a protocol
○ Set of rules that define format, order of messages send and receive, action taking on message transmission rc
● Layering structure of networking
○
Physical Layer
○ Network Interface Layer Specify details about communication between higher layers of protocols (implemented in software) and the underlying network (implemented in hardware): network addresses, maximum packet size that a network can support, how to access the underlying medium, hardware addressing ○ Internet Layer
Fundamental for the Internet; specify communication across the Internet (spanning multiple interconnected