Technical quiz

Name a common relational database management system (RDBMS)

• Excel

• MySQL

• Photoshop

• All of the above

In relational databases, what does ACID stand for?

• Atomicity, Compatibility, Isolation, Durability
• Agility, Consistency, Isolation, Durability
• Atomicity, Consistency, Isolation, and Durability
• Atomicity, Consistency, Integrity, Durability

Which of the following security measures is most important for protecting IoT devices?

• High bandwidth

• Data encryption

• • High processing power

• Large storage capacity

Which traversal method is used to get the contents of a binary search tree in ascending order?

• Pre-order

• In-order

• Post-order

• Level-order

Which sorting algorithm is considered the fastest for large datasets?

• Bubble Sort

• Insertion Sort

• Quick Sort

• Selection Sort

What is the main function of the kernel in an operating system?

• To manage hardware resources

• To provide a user interface

• To manage application software

• To secure the system from viruses

Which of the following layers in the IoT architecture is responsible for connectivity and data transmission?

• Perception Layer

• Network Layer

• Application Layer

• Data Processing Layer

Which of the following problems can be solved using dynamic programming?

• • Longest Common Subsequence

• Traveling Salesman Problem

• Knapsack Problem

• All of the above

Which sorting algorithm is the best choice for a list that is already sorted?

• Quick Sort

• Merge Sort

• Bubble Sort

• Insertion Sort

What is the purpose of the JOIN operation in SQL?

• To combine data from multiple tables

• To delete data from a table

• To create a new table

• To update existing data