Task: Write around 600 to 800 words for each of the short-essay questions. All questions are of equal value, each worth 25 marks. You should provide credible references for each question according to the Faculty of Business guidelines.Topic 3 Encryption: I just used the encryption feature on my operating system (Linux or Windows), should I feel secured and protected now? Discuss.Topic 4 Secure Networks: New technology has made networks less secure. Discuss and give an exampleTopic 5 Access Control: Someone says that they wish to protect their desktop PC from a walk-up attacker with a password or passwords. Give them advice and reasons for your advice. Include in your explanation what do FRRs mean when fingerprint scanning is used to secure a PC against walk-up attacks? What might produce high FRRs? Can you think of a way that this problem could be reduced in fingerprint scanning?Topic 6 Firewalls: Could malware rename itself in order to get through a firewall? Is this possible? Give examples to support your answer