Questions and Answers
What classification of attack type is attempting to brute-force the root password on a web server?
Match the network attack techniques with their descriptions:
Active attack = Perpetrators attempt to compromise or affect the operations of a system. External attack = Unauthorized individuals try to breach a network from off-site. Passive attack = Attempting to gather information without affecting the flow of information on the network. DDoS = An attack that uses multiple attackers to overwhelm a target with traffic.
What type of attack is represented by an attacker setting up 100 drone computers flooding a DNS server with invalid requests?
In which zone would a web server most likely be placed?
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Which area of focus helps identify weak network architecture or design?
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Which classification of attack type does packet sniffing fall under?
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What do public-facing servers, workstations, Wi-Fi networks, and personal devices represent?
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What is the secure architecture concept that employs multiple VLANs for network zones?
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What is the most important aspect of maintaining network security against phishing attacks?
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What is commonly created to segment a network into different zones?
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Study Notes
Network Attack Classifications
- Active Attacks: Involve attempts to compromise or affect system operations, e.g., brute-forcing passwords, and include DDoS attacks.
- Passive Attacks: Focus on gathering information without impacting the data flow, such as packet sniffing and port scanning.
- External Attacks: Conducted by unauthorized individuals targeting a network from outside its defenses.
- Inside Attacks: Initiated by authorized users seeking unauthorized access to sensitive resources.
Distributed Denial-of-Service (DDoS) Attacks
- DDoS attacks overwhelm systems by generating massive traffic from multiple sources, like drone computers flooding a DNS server with requests.
Network Zones
- Low-Trust Zone: Contains publicly accessible information (e.g., a web server), controlled but exposed to the internet, often referred to as a Demilitarized Zone (DMZ).
- No-Trust Zone: Represents areas with no control (e.g., the internet).
- Network Segmentation: Involves dividing networks into VLANs to enhance security, managing traffic through firewalls between zones.
Importance of Documentation
- Proper documentation and network diagrams help identify weaknesses in architecture and protect against unidentified systems and vulnerabilities.
Entry Points and Vulnerabilities
- Entry points include public servers, Wi-Fi networks, and personal devices, posing potential risks for attacks.
- Inherent Vulnerabilities: Systems without adequate security controls may be susceptible to breaches.
Security Education
- User education and training are critical for preventing phishing attacks and maintaining overall network security.
Virtual Local Area Networks (VLANs)
- VLANs are widely used for network segmentation into different zones, allowing for effective traffic management and security measures.
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Description
This quiz covers the various classifications of network attacks, including active, passive, external, and inside attacks. Additionally, it discusses Distributed Denial-of-Service (DDoS) attacks and different network zones like low-trust and no-trust areas. Test your knowledge on these critical cybersecurity concepts.
