P12: ___________ work at the Network Layer(layer 3) of the OSI model and the Internet Layer of TCP/IP. A: Switches B: Routers C: Hubs D: Modems

Which of the following technologies is NOT currently contributing to the development of the internet of things: A: Inexpensive Sensors B: Wireless Networks C: Cloud Computing D: 56k Dial Up Modems

Exercise: You will hear a passage about telecommuting. Listen and then decide whether the following statements are tree or false according to the passage. You will hear the passage only once. High-speed modems are an essential requirement for telecommuting.