Exam 3: Networks Network Basics

 Many RFID and NFC tags contain no power source of their own and depend on the receiving device to provide the power for data exchange.​ 

 ________ is utility software designed to measure responsiveness of an Internet connection.​

 Networks can be classified according to their size and geographic scope.​ 

 The organization that supervises Internet addressing is ___________.​

 What type of Internet connection do you have when upload speed differs from download speed?​ 

 Which type of mobile broadband service has maximum download rates of 300 Mbps and upload rates of 75 Mbps?​ 

 A ______ address is used to uniquely identify devices on LANs.​

 LANs use many of the same network technologies as the Internet.​ 

 __________ LANs are usually arranged in a star topology with computers wired to central switching circuitry that is incorporated in modern routers.​ 

 Unauthorized changes to the DNS are called DNS ________.​

 When setting up a Wi-Fi network, the router you select should support the fastest device you'll want to use on the network.​ 

 Which of the following is an example of a DCE?​ 

 In the context of communication networks, the term __________ refers to the structure and layout of network components​

 A ________ device transmits data as radio waves and is compatible with Ethernet, so you can use the two technologies in a single network.​

 A communication port is a physical circuit through which data flows.​ 

 The bandwidth of a channel that carries digital data is usually measured in ___________.​ 

 The ___________ connects active sensors and passive tags to communication networks.​

 Data cannot flow over multiple networks that have different topologies.​ 

 Networks that form the Internet are maintained by who?​ 

 Which type of protocol provides a way to transfer files from one computer to another over any TCP/IP network, such as a LAN or the Internet.​