Certified Information Systems Security Professional (CISSP) Practice Exam 2025 – All-in-One Guide to Mastering Your Certification!

Question: 1 / 1980

Which of the following best describes the function of TLS?

It encrypts data to provide secure communication over a network

The primary function of TLS (Transport Layer Security) is to encrypt data to ensure secure communication over a network. By using cryptographic protocols, TLS secures the data transmitted between clients and servers, providing confidentiality, integrity, and authentication. This encryption prevents unauthorized access to the data being sent and protects it from eavesdropping or tampering by malicious actors.

While there are other vital security functions included in network protocols, such as user authentication and monitoring network activity, these are not the main roles of TLS. User authentication is typically handled by different protocols or mechanisms within a system. Similarly, managing hardware resources and monitoring for suspicious activity are tasks belonging to other components of network and system security rather than the core function of TLS itself.

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It authenticates users before allowing access to a network

It manages hardware resources in computing environments

It monitors network activity for suspicious behavior

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