What is the correct syntax to declare a variable in C?

Which of the following is an open-source SQL query engine for analyzing data stored in Hadoop clusters?

COCOMO is a model used for estimating:

Which data structure follows the "first-in, first-out" (FIFO) principle?

Which command is used to count the number of lines, words, and characters in a file in a Unix/Linux system?

Which of the following best describes inheritance in object-oriented programming?

Which Apache project provides real-time stream processing and messaging capabilities in Hadoop?

Which type of lock allows a transaction to read a resource and, at the same time, prevent other transactions from writing to that resource?

What is a smart contract in the context of blockchain technology?

What is the scope of a variable declared as "static" inside a function?

The dynamic memory allocation is the memory allocation done at the _________.