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The toughest technology quiz questions online — 20 tough questions spanning advanced computing and networking.
1. What does 'TCP/IP' refer to?
💡 TCP/IP is the fundamental suite of communication protocols that underlies internet and network communication.
2. What does 'API rate limiting' help prevent?
💡 API rate limiting controls how many requests a client can make in a given timeframe, preventing overuse or abuse of the API.
3. What is a 'VPN' (Virtual Private Network) used for?
💡 A VPN creates a secure, encrypted connection over a public network, protecting data and often masking a user's location.
4. What is 'latency' in networking?
💡 Latency measures the time delay between sending a request and receiving a response over a network.
5. What does a 'firewall' do in network security?
💡 A firewall monitors and controls network traffic based on predetermined security rules, helping block unauthorized access.
6. What does 'packet switching' refer to in networking?
💡 Packet switching breaks data into smaller packets that are transmitted independently across a network and reassembled at the destination.
7. What is a 'DDoS attack' (Distributed Denial of Service)?
💡 A DDoS attack floods a target system with overwhelming traffic from multiple sources, making it unavailable to legitimate users.
8. What does an 'IP address' refer to?
💡 An IP address is a unique numerical label assigned to each device connected to a network, used for identification and communication.
9. What is a 'zero-day vulnerability' in cybersecurity?
💡 A zero-day vulnerability is a previously unknown security flaw that attackers can exploit before developers have a chance to patch it.
10. What is 'serverless computing'?
💡 Serverless computing lets developers run code without manually managing the underlying server infrastructure, handled automatically by the cloud provider.
11. What is 'distributed computing'?
💡 Distributed computing shares computing tasks across multiple connected computers working together, rather than relying on one machine.
12. What is a 'man-in-the-middle attack' in cybersecurity?
💡 A man-in-the-middle attack occurs when an attacker secretly intercepts, and potentially alters, communication between two parties.
13. What does 'bandwidth' measure in networking?
💡 Bandwidth measures the maximum rate at which data can be transferred across a network connection.
14. What is the function of DNS in networking?
💡 DNS translates human-friendly domain names, like example.com, into the numerical IP addresses computers use to identify each other.
15. What does 'two-factor authentication' (2FA) add to account security?
💡 Two-factor authentication adds an additional layer of verification, beyond just a password, to secure account access.
16. What does 'containerization' (e.g., Docker) allow developers to do?
💡 Containerization packages an application together with its dependencies, ensuring consistent behavior across different computing environments.
17. What is 'load balancing' in networking?
💡 Load balancing distributes incoming network traffic across multiple servers to optimize performance and avoid overload.
18. What is 'network topology'?
💡 Network topology describes the physical or logical arrangement of nodes and connections within a computer network.
19. What does 'SSL/TLS' primarily provide for internet communication?
💡 SSL/TLS protocols provide encryption and secure, authenticated communication between a client and a server.
20. What does 'DNS' stand for?
💡 DNS stands for Domain Name System, which translates human-readable domain names into IP addresses.