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Q&A
Top curated interview packs
Company-wise & role-wise packs, quality assured.
Mock interview
AI scoring
Coding rounds
Top 10 sets
Beginner
1. What is Ethical Hacking?
Ethical hacking is the practice of testing systems, networks, or applications for security vulnerabilities with permission.
Beginner
2. What is Cybersecurity?
Cybersecurity is the protection of systems, networks, and data from cyber attacks.
Beginner
3. What is a Vulnerability?
A weakness in a system that can be exploited by an attacker.
Beginner
4. What is a Threat?
A potential danger that can exploit a vulnerability.
Beginner
5. What is Exploit?
A piece of code or method used to take advantage of a vulnerability.
Beginner
6. What is Malware?
Malicious software designed to damage or gain unauthorized access.
Beginner
7. Types of Malware?
Virus, Worm, Trojan, Ransomware, Spyware, Rootkit.
Beginner
8. What is Phishing?
A social engineering attack that tricks users into revealing sensitive information.
Beginner
9. What is Firewall?
A security system that monitors and controls network traffic.
Beginner
10. What is Antivirus?
Software designed to detect and remove malware.
Beginner
11. What is Encryption?
The process of converting data into unreadable form to protect it.
Beginner
12. What is Decryption?
The process of converting encrypted data back to readable form.
Beginner
13. What is VPN?
A Virtual Private Network that encrypts internet traffic for secure browsing.
Beginner
14. What is Social Engineering?
Manipulating people to reveal confidential information.
Beginner
15. What is Brute Force Attack?
Trying all possible password combinations to gain access.
Intermediate
16. What is SQL Injection?
A code injection attack that manipulates database queries through input fields.
Intermediate
17. What is XSS?
Cross-Site Scripting allows attackers to inject malicious scripts into web pages.
Intermediate
18. What is CSRF?
Cross-Site Request Forgery tricks users into executing unwanted actions.
Intermediate
19. What is DoS attack?
Denial of Service attack overwhelms a system to make it unavailable.
Intermediate
20. What is DDoS?
Distributed Denial of Service attack using multiple systems.
Intermediate
21. What is Man-in-the-Middle attack?
An attacker secretly intercepts communication between two parties.
Intermediate
22. What is Hashing?
Converting data into fixed-length string using algorithms like SHA-256.
Intermediate
23. What is Penetration Testing?
Simulated cyber attack to test system security.
Intermediate
24. What is OWASP?
Open Web Application Security Project that lists common web vulnerabilities.
Intermediate
25. What is Zero-Day Attack?
Attack exploiting a vulnerability before it is patched.
Intermediate
26. What is Port Scanning?
Technique used to identify open ports on a network.
Intermediate
27. What is Sniffing?
Capturing network traffic to analyze data packets.
Intermediate
28. What is Keylogger?
Software that records keystrokes secretly.
Intermediate
29. What is Ransomware?
Malware that encrypts files and demands payment.
Intermediate
30. What is Digital Signature?
A cryptographic method to verify authenticity of digital messages.
Advanced
31. What is Public Key Infrastructure (PKI)?
Framework that manages digital certificates and encryption keys.
Advanced
32. What is SSL/TLS?
Protocols that secure communication over the internet.
Advanced
33. What is IDS?
Intrusion Detection System monitors suspicious activities.
Advanced
34. What is IPS?
Intrusion Prevention System blocks detected threats.
Advanced
35. What is Sandbox?
Isolated environment used to test suspicious programs safely.
Advanced
36. What is Ethical Hacker vs Black Hat?
Ethical hackers work legally to improve security. Black hat hackers perform illegal attacks.
Advanced
37. What is Buffer Overflow?
A vulnerability caused by writing more data than allocated memory.
Advanced
38. What is Privilege Escalation?
Gaining higher access rights than intended.
Advanced
39. What is Threat Modeling?
Identifying potential threats and mitigation strategies.
Advanced
40. What is SIEM?
Security Information and Event Management system for monitoring logs.
Coding Round
41. How to check open ports in Linux?
netstat -tulnCoding Round
42. How to scan a network using Nmap?
nmap 192.168.1.0/24Coding Round
43. Check website headers
curl -I https://example.comCoding Round
44. Generate SHA-256 hash
echo "password" | sha256sumCoding Round
45. Check running processes
ps auxCoding Round
46. Check IP configuration
ifconfigCoding Round
47. Ping a server
ping google.comCoding Round
48. Change file permissions
chmod 755 file.txtCoding Round
49. Monitor network traffic
tcpdump -i eth0Coding Round
50. Encrypt file using OpenSSL
openssl enc -aes-256-cbc -in file.txt -out file.enc