Practice IOT and mobile Computing Questions and Answers

• Which technique is used to reduce dimensionality while preserving variance?
• Which function is commonly used in logistic regression to map outputs between 0 and 1?
• Which of these is NOT an ensemble method?
• In KNN, what does the ‘K’ denote?
• What is a botnet typically used for?
• Which of the following is NOT a common wireless security protocol?
• Which one of the following is used to update weights in neural networks?
• What is a confusion matrix used for?
• What does underfitting indicate?
• Which of these is a parametric algorithm?
• Which loss function is suitable for regression?
• What is overfitting?
• What does ROC curve represent?
• Which of the following is considered the strongest form of multi-factor authentication (MFA)?
• Which protocol is most commonly used for lightweight IoT messaging?
• Which of the following is an example of an IoT application in healthcare?
• In IoT, what does “edge computing” primarily aim to achieve?
• Which layer of the IoT architecture is responsible for sensing and data collection?
• Which of these wireless technologies is specifically designed for low-power IoT networks?
• Which layer of IoT focuses on transmitting data between devices and servers?
• Which protocol is lightweight and widely used for IoT messaging?
• Which of the following is NOT an IoT communication protocol?
• Which component in IoT performs data preprocessing before sending it to the cloud?
• What is the primary purpose of a Management Information System (MIS)?
• Which of the following is NOT typically considered a core component of an MIS?
• Raw facts and figures that have not been processed or organized are known as:
• Which of the following is a core component of an IoT system responsible for gathering data from the environment?
• Which of these is a defining characteristic of mobile computing?
• Which operating system is developed by Google and is known for its open-source nature, widely used in smartphones?
• Which communication protocol is specifically designed for lightweight messaging between IoT devices and often used in constrained environments?
• What is the most significant challenge for mobile devices in terms of continuous operation?
• In an IoT system, what is the function of an "actuator"?
• What does "BYOD" stand for in the context of enterprise mobile computing?
• Which of the following is a common application area for Industrial IoT (IIoT)?
• Which wireless technology is commonly used for short-range communication (e.g., connecting headphones or smartwatches) with mobile phones?
• Which of the following is a key characteristic of *good* information for managerial decision-making?
• A system that processes and records the daily routine transactions necessary to conduct business, such as sales orders, hotel reservations, and payroll, is...
• Which type of information system helps managers make non-routine decisions by providing models, data analysis tools, and access to large databases?