700-841 exam

Which communication protocol is commonly used for IoT devices to exchange data securely over the internet?A . HTTPB . MQTTC . TCPD . UDPView AnswerAnswer: B

Which of the following is a common IoT security threat?A . DDoS attacksB . FirewallsC . MalwareD . Intrusion Detection SystemsView AnswerAnswer: A

Which type of attack involves tricking individuals into revealing sensitive information through deceptive emails or websites?A . Brute force attacksB . Man-in-the-middle attacksC . Social engineering attacksD . SQL injection attacksView AnswerAnswer: C

Which of the following is a best practice for securing IoT devices?A . Keeping default passwordsB . Regularly updating software and firmwareC . Disabling encryptionD . Sharing sensitive data openlyView AnswerAnswer: B

What is the main purpose of IoT?A . To increase cybersecurityB . To create a network of physical devicesC . To reduce energy consumptionD . To be more socially connectedView AnswerAnswer: B

Which of the following is not a common IoT data storage technology?A . Relational databasesB . NoSQL databasesC . Data lakesD . BlockchainView AnswerAnswer: D

Which wireless technology is commonly used for short-range communication between IoT devices in a smart home environment?A . ZigbeeB . 4GC . LoRaD . Wi-FiView AnswerAnswer: A

Which wireless technology is commonly used for communication between IoT devices in industrial settings due to its reliability, scalability, and low latency?A . ZigbeeB . Wi-Fi 6C . 5GD . WirelessHARTView AnswerAnswer: D