Answer: A. Content filtering, encryption and firewalls.
Step-by-step explanation:
Due to fraud and other security challenges, prevention and resistance technologies are important in order to help computer and internet users to protect their informations.
Ways to achieve this include content filtering, encryption and firewalls. Content filtering is when the access to a particular web content is restricted. Encryption has to do with the translation of data into another form so that it won't be accessible to anyone without the password. Firewall is also done on order to curb unauthorized access.