Info system 6-3

What are the principal components of telecommunications networks and key networking technologies?

• Describe the features of a simple network and the network infrastructure for a large company.
• Name and describe the principal technologies and trends that have shaped contemporary telecommunications systems.
• What are the main telecommunications transmission media and types of networks?
• Name the different types of physical transmission media and compare them in terms of speed and cost.
• Define a LAN, and describe its components and the functions of each component.
• Name and describe the principal network topologies.
• How do the Internet and Internet technology work, and how do they support communication and e-business?
• Define the Internet, describe how it works, and explain how it provides business value.
• Explain how the Domain Name System (DNS) and IP addressing system work.
• List and describe the principal Internet services.
• Define and describe VoIP and virtual private networks, and explain how they provide value to businesses.
• List and describe alternative ways of locating information on the Web.
• Compare Web 2.0 and Web 3.0.
• What are the principal technologies and standards for wireless networking, communications, and Internet access?
• Define Bluetooth, Wi-Fi, WiMax, 3G, and 4G networks.
• Describe the capabilities of each and for which types of applications each is best suited.
• Why are RFID and wireless sensor networks (WSNs) valuable for business?
• Define RFID, explain how it works, and describe how it provides value to businesses.
• Define WSNs, explain how they work, and describe the kinds of applications that use them.