Which MS-EXCEL formulae are equivalent to each other?
A. = A3 +A4+A5+A6
B. = SUM (A3:A6)
C. = SUM (A3, A6)
D. =SUM (A3, A4, A5, A6)

​Match the LIST-I with LIST-II:

​Choose the correct answer from the options given below:​

​In the context of cyber security, which of the following is a risk of phishing for the target users?​

​Which of the following is the first completely open source mobile operating system developed by Google, meaning that it is free to any cell phone mobile network?​

The topology in which each communicating device is connected to a central node is called: