6Which band generally gives longer range but lower speed?A2.4 GHzB6 GHzC60 GHzD5 GHzView AnswerDiscussWorkspaceReportSaveEasy
7Which technology is used for contactless payments over a few centimetres?ANFCBBluetoothCWi-FiDZigbeeView AnswerDiscussWorkspaceReportSaveEasy
8Zigbee is commonly used for:ALow-power home automation and sensorsBLong-distance backbone linksCSatellite TVDHigh-speed video streamingView AnswerDiscussWorkspaceReportSaveEasy
9Which device extends Wi-Fi coverage by repeating the signal?AModemBWireless range extenderCFirewallDSwitchView AnswerDiscussWorkspaceReportSaveEasy
10Wi-Fi channels 1, 6 and 11 are popular on 2.4 GHz because they:AUse 5 GHzBAre the fastestCDo not overlapDAre encryptedView AnswerDiscussWorkspaceReportSaveEasy