6. Data Acquiring, Organising, and Analytics in IoT/M2M

What type of device generates data using an external power source?

• Event-driven device

• Passive device

• Active device

• Real-time device

Which of the following is NOT a function of the data acquisition system?

• Data visualization

• Data transcoding

• Data filtering

• Device management

What does data validation ensure?

• Data is categorized for storage

• Data is generated in real-time

• Data is correct and meaningful

• Data is stored permanently

Which type of database consists of multiple related tables?

• Relational database

• NoSQL database

• Flat file database

• Distributed database

What does OLTP stand for?

• Operational Transaction Processing

• Organizational Transaction Processing

• Offline Transaction Processing

• Online Transaction Processing

Which of the following is a characteristic of a distributed database?

• Single location for data storage

• User awareness of data location

• Logically interrelated databases

• No cooperation between databases

What is the primary purpose of SQL?

• Data visualization

• Data encryption

• Data querying and manipulation

• Data storage management

Which analytics phase focuses on predicting future outcomes?

• Prescriptive analytics

• Predictive analytics

• Diagnostic analytics

• Descriptive analytics

What is the main function of event stream processing?

• Data validation

• Batch processing of historical data

• Real-time processing of event data

• Data storage management

Which of the following is a feature of a data store?

• Only supports relational databases

• Includes various data repositories

• Requires a single schema

• Is always centralized