Question

what is e-commerce? write any two preventive measuresto be taken for secure online transaction​

Answer 1

E-commerce: Buying and selling of goods on the internet.

Two preventive measures for secure online transaction:

Never share OTP with anyone. Before making an online payment, ensure that connection is secure. what-is-commerce-write-any-two-preventive-measures-to-taken-for-secure-online-transaction