Internet, and Wireless Technology Exam
Questions and Answers Graded A+
Networking and Communication Trends - Correct answer-Convergence:
-Telephone networks and computer networks converging into single digital
network using Internet standards
-Cable companies providing voice service
Broadband:
-More than 96 percent U.S. Internet users have broadband access
Broadband wireless:
-Voice and data communication as well as Internet access are increasingly taking
place over broadband wireless platforms
,What Is a Computer Network? - Correct answer-Major components in simple
network
-Client computer
-Server computer
-Network interfaces
-Connection medium (telephone wire, cable, or radio signal)
-Network operating system (NOS):
routes and manages communications on the network and coordinates network
resources
(Microsoft server, linux)
-Hub or switch:
simple devices that connect network components, sending a packet of data to all
other connected devices
Routers:
,communicate with another NETWORK, like the internet
Software defined networking (SDN):
control functions are managed by one central program, which can run on
inexpensive servers that are separate from the network devices themselves
Networks in Large Companies - Correct answer-Components can include:
-Hundreds of local area networks (LANs) linked to firmwide corporate network
-Various powerful servers
Web site
Corporate intranet, extranet
Backend systems
-Mobile wireless LANs (Wi-Fi networks)
-Videoconferencing system
, -Telephone network
-Wireless cell phones
corporate network infrastructure - Correct answer-Today's corporate network
infrastructure is a collection of many different networks from the public switched
telephone network, to the Internet, to corporate local area networks linking
workgroups, departments, or office floors.
Key Digital Networking Technologies - Correct answer-Client/server computing
-Distributed computing model
-Clients linked through network controlled by network server computer
-Server sets rules of communication for network and provides every client with an
address so others can find it on the network
-Has largely replaced centralized mainframe computing