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

April 24, 2025 No Comments READ MORE +

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

April 19, 2025 No Comments READ MORE +

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

April 18, 2025 No Comments READ MORE +

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

April 13, 2025 No Comments READ MORE +

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

April 5, 2025 No Comments READ MORE +

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

March 30, 2025 No Comments READ MORE +

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

March 29, 2025 No Comments READ MORE +

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

March 21, 2025 No Comments READ MORE +

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

March 18, 2025 No Comments READ MORE +

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

March 17, 2025 No Comments READ MORE +