In Big Data Analytics, what is the main function of the MapReduce programming model?

In the context of preemptive CPU scheduling, which of the following algorithms can potentially cause starvation, and how can this issue be mitigated? 

What will be the output of the following code when printList is called with a linked list containing the values 1 -> 2 -> 3?

class Node:

In data communication networks, which protocol is responsible for ensuring reliable data transfer between devices over a network?       

What does the function re.match do?

Which of the following best describes the primary purpose of virtualization in cloud computing? 

In which scenario would para virtualization be preferred over full virtualization? 

Which is/are correct w.r.t Passive attacks

Which of the following best describes the concept of abstraction in object-oriented programming (OOP)? 

Divide and conquer is used by