COMPUTER NETWORKS AND COMMUNICATIONS
NETWORK SECURITY AND CYBERSECURITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The DNS is designed to be secure
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Open standards are part of the reason why cryptography is not secure
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Certificate authorities operate based on the trust model
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Public key encryption is symmetric
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Detailed explanation-1: -Certificate authorities operate based on the trust model. Ransomware is a relatively new form of attack on a computer system. A ransomware attack is when an individual or group of individuals targets an organization’s server and is able to use a sophisticated form of encryption to lock down the organization’s files.
Detailed explanation-2: -Which of the following best explains how a certificate authority is used in protecting data? A certificate authority verifies the authenticity of encryption keys used in secured communications.
Detailed explanation-3: -A. It is less expensive to implement than other alternatives. B. It enables cooperation between two online entities. C. It decreases the amount of traffic online. D. It eliminates the risk of viruses and worms.
Detailed explanation-4: -Network Security. Most attacks occur over the network, and network security solutions are designed to identify and block these attacks. Cloud Security. Endpoint Security. Mobile Security. IoT Security. Application Security. Zero Trust.