(a) Network security is essential in protecting a company’s data. Internet Engineering Task Force (IETF) has deprecated Secure Socket Layer (SSL) and replaced it with Transport Layer Security (TLS).   (i) List the modification implemented in TLS and describe why these enhancements were important for network security.    (ii) Other than encryption, Certificate Authorities (CAs) can also authenticate the identity of the owner of a website, adding another layer of security called digital certificate. Explain how a Digital Certificate can provide security for a company’s network.    (b) List and describe FIVE (5) ways to hack passwords.    (c) Explain why physical security is an important aspect in cybersecurity. Give ONE (1) example of a physical security measure.

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