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Which techniques are used by the MAC layer to improve security in wireless IoT networks? (Select two)
Which techniques are used by the MAC layer to improve security in wireless IoT networks? (Select two)A . Data encryptionB . Address filteringC . Address filteringD . Time slottingView AnswerAnswer: AB
What is the first step in troubleshooting an IoT device that fails to connect to a wireless network?
What is the first step in troubleshooting an IoT device that fails to connect to a wireless network?A . Restart the deviceB . Check the network signal strengthC . Perform a firmware updateD . Replace the device batteryView AnswerAnswer: B
Which tools are commonly used to troubleshoot network issues in wireless IoT solutions? (Select two)
Which tools are commonly used to troubleshoot network issues in wireless IoT solutions? (Select two)A . Spectrum analyzerB . FirewallC . Network snifferD . Web browserView AnswerAnswer: AC
Which features enhance the security of IoT devices? (Select two)
Which features enhance the security of IoT devices? (Select two)A . Secure bootB . Mutual authenticationC . Data redundancyD . Shorter packet transmission timesView AnswerAnswer: AB
Which of the following wireless IoT technologies support mesh networking? (Select two)
Which of the following wireless IoT technologies support mesh networking? (Select two)A . ZigbeeB . LTE-MC . Bluetooth MeshD . Wi-FiView AnswerAnswer: AC
Which of the following IoT connectivity technologies is most commonly used in industrial environments due to its high reliability and deterministic nature?
Which of the following IoT connectivity technologies is most commonly used in industrial environments due to its high reliability and deterministic nature?A . ZigbeeB . Wi-FiC . ISA100D . BluetoothView AnswerAnswer: C
Which features are essential for an IoT communication protocol at the upper layers? (Select two)
Which features are essential for an IoT communication protocol at the upper layers? (Select two)A . Low power consumptionB . Data encryptionC . Lightweight data transmissionD . Network address translationView AnswerAnswer: AC
Which security protocols are commonly used in wireless IoT networks? (Select two)
Which security protocols are commonly used in wireless IoT networks? (Select two)A . WPA2B . AESC . DTLSD . FTPView AnswerAnswer: AC
Which of the following methods can be used to protect wireless IoT networks from Denial of Service (DoS) attacks?
Which of the following methods can be used to protect wireless IoT networks from Denial of Service (DoS) attacks?A . Implementing firewallsB . Using low power modesC . Reducing signal strengthD . Disabling encryptionView AnswerAnswer: A
What are common troubleshooting techniques for dealing with intermittent IoT device connectivity? (Select two)
What are common troubleshooting techniques for dealing with intermittent IoT device connectivity? (Select two)A . Reducing the number of connected devicesB . Rebooting the gatewayC . Analyzing signal interferenceD . Disabling firewallsView AnswerAnswer: BC
