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What is network security?
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Network security protects a computer network from unauthorized access, misuse, malfunction, or theft.
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What is encryption in network security?
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Encryption is the process of converting data into a code to prevent unauthorized access during transmission.
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Describe what a firewall does in a network.
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A firewall monitors and filters outgoing and incoming network traffic, enforcing security policies to protect against threats.
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What is the purpose of antivirus software?
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Antivirus software detects, prevents, and removes malware and other malicious software from computers and networks.
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Explain the concept of 'phishing'.
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Phishing is a cyberattack that tricks users into providing sensitive information, often by pretending to be a trustworthy entity in electronic communications.
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What is a VPN and how does it contribute to network security?
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A VPN (Virtual Private Network) encrypts internet traffic, providing privacy and security when accessing online resources over public networks.
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What are malware attacks?
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Malware attacks involve using malicious software like viruses, worms, or spyware to damage or gain unauthorized access to networks and devices.
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What is two-factor authentication (2FA)?
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2FA is a security process that requires two different forms of identity verification before granting access to an account.
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Why is it important to keep network systems updated?
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Keeping systems updated ensures protection against vulnerabilities and exploits that could be used by hackers.
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What is a Denial-of-Service (DoS) attack?
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A DoS attack involves overwhelming a network or service with traffic, rendering it unavailable to legitimate users.
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What is the role of a network administrator regarding security?
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A network administrator manages network resources and security, ensuring reliable and secure operation to prevent breaches.
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What is a vulnerability in the context of network security?
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A vulnerability is a weakness in a system that could be exploited by a threat to gain unauthorized access or cause damage.
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How does a secure password help in network security?
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Secure passwords are difficult to guess or crack, helping to protect accounts and systems from unauthorized access.
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What are security patches?
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Security patches are updates released to fix vulnerabilities in software and systems to protect against potential threats.
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Why is network monitoring important for security?
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Network monitoring involves continuously overseeing a network for suspicious activities, ensuring quick detection and response to threats.
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