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Which IoT security challenge is most directly addressed by implementing mutual authentication?
Which IoT security challenge is most directly addressed by implementing mutual authentication?A . Data integrityB . Device identity verificationC . Secure data storageD . Network latencyView AnswerAnswer: B
Which responsibilities are associated with the PHY layer in a wireless IoT network? (Select two)
Which responsibilities are associated with the PHY layer in a wireless IoT network? (Select two)A . Modulating and demodulating data signalsB . Encrypting data for transmissionC . Managing frequency channelsD . Addressing devices in the networkView AnswerAnswer: AC
What protocol is responsible for providing MAC layer security in IEEE 802.15.4 networks?
What protocol is responsible for providing MAC layer security in IEEE 802.15.4 networks?A . Advanced Encryption Standard (AES)B . IP Security (IPsec)C . Transport Layer Security (TLS)D . Wi-Fi Protected Access (WPA2)View AnswerAnswer: A
Which of the following is a primary advantage of Wi-Fi HaLow over traditional Wi-Fi for IoT applications?
Which of the following is a primary advantage of Wi-Fi HaLow over traditional Wi-Fi for IoT applications?A . Higher data ratesB . Longer range and lower power consumptionC . Improved security featuresD . Compatibility with all existing IoT protocolsView AnswerAnswer: B
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
