Cyber Unit 3 Part 3 Exam

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What is the primary purpose of DNS filtering in cybersecurity?

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Monitoring and controlling access to websites by filtering DNS queries

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Which of the following protocols should be used for secure web communications? HTTP, FTP, SSH, HTTPS

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HTTPS

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What role do gateways play in email security?

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Filtering incoming emails for threats.

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Which email authentication method allows the sending organization to digitally sign emails? Options: SPF, DKIM, DMARC, TLS

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DKIM

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What is the purpose of Domain-based Message Authentication Reporting and Conformance (DMARC)?

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Preventing email spoofing and phishing attacks

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Which transport method is recommended for securing wireless communications? Options: VPN, SSH, Telnet, WPA3

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WPA3

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What is the primary function of an Intrusion Detection System (IDS)? Options: Preventing unauthorized access to a network, Detecting and alerting to potential security threats within a network, Filtering incoming emails for threats, Authenticating email senders

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Detecting and alerting to potential security threats within a network

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Which component of email security helps prevent email spoofing by specifying authorized IP addresses?

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SPF

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What are ACLs commonly used for in network security? Options: Authenticating email senders, Filtering DNS queries, Controlling and filtering network traffic, Providing encryption for email communication

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Controlling and filtering network traffic