Fortify Your Cyber Fortress: Conquer the 2025 NDE Practice Exam! 🚀🔐

The correct choice focuses on network security protocols, which play a crucial role in ensuring the security and integrity of data as it travels across networks. These protocols, such as TLS (Transport Layer Security) and IPsec (Internet Protocol Security), are designed to encrypt data during transmission and provide mechanisms for authentication and data integrity. By employing strong cryptographic methods, they protect data from eavesdropping and tampering, ensuring that only authorized parties can access and modify the information sent across the network.

In contrast, other elements like firewalls are primarily used to monitor and control incoming and outgoing network traffic based on predetermined security rules, but they do not directly encrypt or secure data in transit. Intrusion Detection Systems focus on identifying and alerting administrators about potential threats or breaches within the network rather than protecting the data itself as it travels. Network Access Control involves user authentication and authorization to access network resources, which is essential for securing the network environment but does not specifically address the integrity of data during transmission. Thus, network security protocols are specifically tailored to safeguard data while it is in transit, making this choice the most relevant for the question.