Revision: Exercises, Interviews and CEH Exam Modules
Practice exercises with hints, general and MNC interview Q and A with sources, the CEH v13 exam-module map with practice questions, cheat sheets, a Marathi glossary, and About the Author – revise with ethics first.
Chapters in this part
45. Practice Exercises with Hints
- 45.1 How to Use These Exercises – Ethics First
- 45.2 Networking Foundations – Quick Fire
- 45.3 Linux on EC2 – Commands You Must Type Blind
- 45.4 Web Servers and MySQL – Build and Protect
- 45.5 Domains, S3, RDS and Project Checklist
- 45.6 Kali Recon, Scan and Enum – Host-Only Only
- 45.7 OWASP Top 10 – Fix What You Break (DVWA / Juice)
- 45.8 Cloud, SOC, Hardening and Crypto – Mixed Drill
- 45.9 Advanced Defensive Drills – AD to Mobile
- 45.10 Capstone – Project Build-Hack-Fix (Sahyadri or Raja-Rani)
46. General Interview Q and A
- 46.1 How to Answer Cyber / SOC / Cloud Security Interviews
- 46.2 Networking Interview Questions
- 46.3 Linux on EC2 Interview Questions
- 46.4 Web Servers and MySQL Interview Questions
- 46.5 Domains, S3, RDS and Live-Project Security Questions
- 46.6 AWS Cloud Security Interview Questions
- 46.7 Ethical Hacking, OWASP and Kali Lab Questions
- 46.8 SOC, IR, Hardening and Cryptography Questions
- 46.9 AD, Malware, Session, IoT and Mobile — Defensive Talking Points
- 46.10 Scenario Round — Sahyadri / Raja-Rani
- 46.11 Red vs Blue, Project and Real Incidents
47. Interview Questions Asked in MNC Interviews
- 47.1 How to Use This Chapter – Sources and Ethics
- 47.2 Networking and Protocols (MNC rounds)
- 47.3 Linux, Logs and Windows Event IDs
- 47.4 SOC Analyst Round – SIEM, Triage, MITRE
- 47.5 Identity Attacks Awareness (Kerberos / PTH – defensive talking points only)
- 47.6 Cloud and AWS Security MNC Themes
- 47.7 OWASP / Web / Email Auth (SPF DKIM DMARC)
- 47.8 Scenario and HR + Technical Mix
- 47.9 Source Appendix (URLs actually read)
- 47.10 Red vs Blue, Project and Real Incidents
48. CEH v13 Exam Modules Map and Practice Questions
- 48.1 How to Use This Map – Ethics and Exam Mindset
- 48.2 Modules 01–05 Map (Intro through Vulnerability Analysis)
- 48.3 Modules 06–10 Map (System Hacking through DoS)
- 48.4 Modules 11–15 Map (Session Hijacking through SQL Injection)
- 48.5 Modules 16–20 Map (Wireless through Cryptography)
- 48.6 CEH-Style Practice Questions – Set A (Modules 01–10)
- 48.7 CEH-Style Practice Questions – Set B (Modules 11–20)
- 48.8 Quick Revision Table – Module → Book Chapter → Blue Control
- 48.9 Red vs Blue, Project and Real Incidents
49. Cheat Sheets
50. Glossary (Marathi column)
Extended teaching notes
Why this lesson matters
Use this lesson to strengthen systems you own: understand the risk, practise safely in a lab, then write and apply the fix.
Apply the fix across stacks
Same class of bug, same idea in every language.
Java / Spring Boot
Parameterise queries, encode output, CSRF tokens, limited Actuator, dependency scanning.
ASP.NET Core
EF Core / parameterised SQL, Razor encoding, HTTPS, Data Protection.
Node.js / Express
helmet, parameterised SQL, npm audit, avoid eval and shell concat.
Python / Django / Flask / FastAPI
ORM, autoescape, pip-audit, Bandit; never shell=True with user input.
PHP / Laravel
PDO/Eloquent, Blade escaping, composer audit.
Go / Ruby
database/sql placeholders / ActiveRecord; html/template / ERB escaping; govulncheck / Brakeman.
nginx / Apache / Tomcat
Hide versions, TLS, security headers, least-open ports.
MySQL / PostgreSQL / MongoDB / Redis
Private networks, auth on, least-privilege users, no 0.0.0.0/0.
AWS / Azure / GCP
Roles not long-lived keys, private data stores, cloud audit logs on.
Mini case study
Suppose we are on a purple-team exercise for an Indian mid-size company (sample data). Red notes a technique from this lesson against a lab clone. Blue must show the control that stops it, the log that would have fired, and the ticket that hardens production. That is the standard this course trains you for.
Defender's worksheet (do this today)
- Write the lesson title, date and the exact lab target you are allowed to use.
- List three owned systems (VMs, apps, or cloud accounts) where this lesson applies.
- Run one safe check from the lesson on a lab system only. Paste the command and output.
- Write a two-sentence fix you would give a teammate.
- Name one related public advisory (CERT-In, CISA, NVD, or a vendor bulletin) with its date.
Indian workplace (sample data)
Suppose we are a junior analyst at Infosys, TCS, Wipro or a fintech SOC in Bengaluru/Pune. Turn this lesson into one checklist item with an owner, a due date and a place to store evidence (ticket + screenshot).
Global practice
Compare your notes with OWASP, CIS Benchmarks, NIST CSF/IR guidance or a cloud Well-Architected security question. Write five lines on what overlaps.
Everyday analogy
Explain the risk and the fix to a family member without jargon. If they can repeat the warning, you understand it well enough to teach juniors.
Key terms
- Control: a safeguard (patch, config, process, detection).
- Finding: a weakness backed by evidence.
- Remediation: the fix plus how you verified it.
- Scope: systems you have written permission to touch.
- Least privilege: only the access the task needs.
- Defence in depth: several layers so one failure does not end the story.
Common mistakes
- Skipping written permission "just for a quick scan".
- Practising on hostel, office or public targets without authorisation.
- Collecting tool output without writing the fix.
- Copying attack steps onto production to "verify". Defenders verify with versions, configs and patches.
- Publishing screenshots that contain secrets, cookies or internal hostnames.
Recap
- Evidence, fix, owner, date.
- Own lab only.
- Fix > spectacle.