What is the primary purpose of a firewall in network security?
A firewall is used to monitor and control incoming and outgoing network traffic based on predetermined security rules.
What is the difference between an IDS and an IPS in network security?
An Intrusion Detection System (IDS) detects unauthorized access, while an Intrusion Prevention System (IPS) also takes action to block malicious activities.
What is the main goal of penetration testing?
Penetration testing simulates an attack on a system to identify vulnerabilities before malicious hackers can exploit them.
Which of the following is an example of a DDoS (Distributed Denial of Service) attack?
A DDoS attack involves overwhelming a network service with excessive requests from multiple systems to make it unavailable.
What is the purpose of network encryption?
Network encryption protects data by transforming it into a form that is unreadable without a decryption key, ensuring confidentiality during transmission.
What is social engineering in the context of cybersecurity?
Social engineering refers to manipulating individuals into revealing confidential information through deception or psychological manipulation.
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What is the function of a VPN (Virtual Private Network)?
A VPN provides a secure connection to the internet by encrypting data and masking the user's IP address, ensuring privacy and security.
What is a vulnerability assessment in network security?
A vulnerability assessment is a systematic evaluation of network security to identify weaknesses that could be exploited by attackers.
What does the term 'phishing' refer to in cybersecurity?
Phishing is a fraudulent attempt to acquire sensitive information by pretending to be a trustworthy entity through email or other communication channels.