EC-COUNCIL

EC-Council Network Defense Essentials

NDE

The EC-Council Network Defense Essentials (NDE) certification introduces the core concepts of information security and network defense, covering identification, authentication, authorization, and essential security controls. Designed for beginners with no prior IT or cybersecurity experience, it combines 12 modules, 33 hands-on labs, and a real-world CTF capstone to build practical skills. Earning NDE validates foundational network defense knowledge and prepares you for more advanced EC-Council certifications like CND, CCT, and CEH.

Practice Free Questions

7Domains

33Objectives

300Practice pages

1441Free questions

NDE free practice questions

Choose any objective and open any question page — no sign-in required.

Fundamentals of network security and defense

44 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–44

Network security controls and protocols

45 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45

Access control principles, terminologies, and models

22 questions · 5 pages

Questions 1–5 6–10 11–15 16–20 21–22

Identity and Access Management (IAM) concepts

47 questions · 10 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–47

Authentication mechanisms and authorization systems

47 questions · 10 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–47

Regulatory frameworks and compliance requirements

46 questions · 10 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–46

Security policies and governance

49 questions · 10 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–49

Security and awareness training

47 questions · 10 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–47

Physical security concepts and attack vectors

28 questions · 6 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–28

Workplace security and environmental controls

47 questions · 10 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–47

Network segmentation and perimeter isolation

37 questions · 8 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–37

Firewall technologies, architectures, and best practices

38 questions · 8 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–38

Intrusion Detection and Prevention Systems (IDS/IPS)

40 questions · 8 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40

Proxy servers, VPNs, and secure network communication

53 questions · 11 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–50 51–53

SIEM, UBA/UEBA, and endpoint security solutions

59 questions · 12 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–50 51–55 56–59

Virtualization concepts and security considerations

50 questions · 10 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–50

Containerization technologies and security challenges

54 questions · 11 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–50 51–54

Cloud computing models and architecture

25 questions · 5 pages

Questions 1–5 6–10 11–15 16–20 21–25

Cloud security risks, attacks, and best practices

39 questions · 8 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–39

Wireless network fundamentals and standards

44 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–44

Wireless encryption and authentication mechanisms

52 questions · 11 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–50 51–52

Mobile Device Management (MDM) concepts

57 questions · 12 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–50 51–55 56–57

Mobile device threats and security controls

46 questions · 10 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–46

IoT architecture and security controls

50 questions · 10 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–50

Cryptographic techniques and algorithms

39 questions · 8 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–39

Public Key Infrastructure (PKI) and digital certificates

44 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–44

Data encryption techniques

44 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–44

Data backup and retention

34 questions · 7 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–34

Data Loss Prevention (DLP) concepts

49 questions · 10 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–49

Network traffic monitoring concepts

47 questions · 10 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–47

Baseline traffic analysis and signature identification

37 questions · 8 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–37

Network sniffing techniques and traffic analysis

41 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–41

Monitoring and analyzing network protocol traffic

40 questions · 8 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40

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Continue Free Practice

Percentages reflect share of the current practice bank, not official exam weightings. Every page above is a live, crawlable practice page (33 objectives · 300 pages).

EC-Council Network Defense Essentials

NDE free practice questions

Domain 1 · Network Security Fundamentals and Access Control14% of practice bank · 5 objectives · 205 questions14%

Domain 2 · Administrative and Physical Security Controls15% of practice bank · 5 objectives · 217 questions15%

Domain 3 · Technical Security Controls16% of practice bank · 5 objectives · 227 questions16%

Domain 4 · Virtualization and Cloud Computing Security12% of practice bank · 4 objectives · 168 questions12%

Domain 5 · Wireless, Mobile, and IoT Security17% of practice bank · 5 objectives · 249 questions17%

Domain 6 · Cryptography, PKI, and Data Security15% of practice bank · 5 objectives · 210 questions15%

Domain 7 · Network Traffic Monitoring11% of practice bank · 4 objectives · 165 questions11%