Just need answer, no explanation: 1) SSL/TLS encrypts communications at which layer? Network layer Physical layer Application layer Transport layer 2) When using HTTPS, the source and destination IP addresses are encrypted. True False 3) Which Phase of the SSL/TLS Handshake is optional? Phase 2: Server Authentication and Key Exchange Phase 1: Client and Server Hello Phase 4: Wrap-up Phase 3: Client Authentication and Key Exchange   4) The HSTS flag is used to protect against which type of threat? A man-in-the-middle attacker who intercepts HTTPS requests and rewrites them as HTTP requests A phishing attacker who impersonates a legitimate website A man-in-the-middle attacker who presents forged SSL certificates in order to intercept communications A man-in-the-middle attacker who forces downgrades to outdated encryption versions used in TLS

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A:

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A: Please refer to the following steps for the complete solution to the problem above.

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