Exam Name: Network Defense Essentials (NDE) Exam
Certification Provider: ECCouncil
Corresponding Certification: ECCouncil NDE
Over 57018+ Satisfied Customers
Network Defense Essentials (NDE) Exam: 112-51 Exam
"Network Defense Essentials (NDE) Exam", also known as 112-51 exam, is a ECCouncil Certification. With the complete collection of questions and answers, iPassleader has assembled to take you through 77 Q&As to your 112-51 Exam preparation. In the 112-51 exam resources, you will cover every field and category in ECCouncil NDE Certification helping to ready you for your successful ECCouncil Certification.
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- Updated on: Oct 11, 2026
- No. of Questions: 77 Questions & Answers
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- Updated on: Oct 11, 2026
- No. of Questions: 77 Questions & Answers
Preparation is a decision, not a gamble, and the right tools make it a calm one. iPassleader equips you for the ECCouncil Network Defense Essentials (NDE) exam with 77 practice questions, verified answers, and support that stays with you from purchase through test day.
ECCouncil 112-51 Exam Overview:
| Certification Vendor: | EC-Council |
|---|---|
| Exam Name: | Network Defense Essentials (NDE) Exam |
| Exam Number: | 112-51 |
| Certificate Validity Period: | 3 years |
| Available Languages: | Japanese, Simplified Chinese, Korean, English |
| Exam Format: | Proctored, Multiple Choice Questions (MCQ) |
| Related Certifications: | Digital Forensics Essentials (DFE) Ethical Hacking Essentials (EHE) Certified Network Defender (CND) |
| Exam Price: | $75 USD (varies by region); $299 USD including training |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 75 |
| Passing Score: | 70% |
| Recommended Training: | Official NDE Training Course |
| Exam Registration: | Official EC-Council Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online remote proctored or in-person at authorized EC-Council exam centers |
| Pre Condition: | No prior cybersecurity knowledge, IT work experience, or prerequisite exams required |
| Official Syllabus URL: | https://www.eccouncil.org/train-certify/network-defense-essentials-nde/ |
ECCouncil 112-51 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Network Traffic Monitoring & Analysis | - Traffic monitoring concepts - Anomaly detection - Tools for analysis (Wireshark, tcpdump) |
| Topic 2: Administrative Security Controls | - Security policies, standards, and procedures - Security awareness and training - Regulatory and legal frameworks |
| Topic 3: Identity and Access Management | - IAM security functions - IAM components and lifecycle |
| Topic 4: Endpoint and Mobile Security | - Mobile device management - Endpoint protection measures - Mobile device risks and controls |
| Topic 5: Identification, Authentication, and Authorization | - Authentication methods - Authorization concepts - Access control models and terminology |
| Topic 6: Risk Management & Compliance | - Risk assessment and treatment - Security frameworks - Compliance requirements |
| Topic 7: Data Security & Backup | - Disaster recovery basics - Backup types and strategies - Data protection principles |
| Topic 8: Virtualization and Cloud Security | - Cloud security best practices - Cloud service models and deployment - Virtualization fundamentals and security |
| Topic 9: Threats, Attacks & Vulnerabilities | - Vulnerability assessment basics - Attack mitigation strategies - Common network attack types |
| Topic 10: Physical Security Controls | - Workplace security measures - Facility and environmental controls - Physical security importance |
| Topic 11: Technical Security Controls | - Cryptography and PKI basics - Firewalls and filtering - Intrusion detection/prevention - Network segmentation |
| Topic 12: Network Security Fundamentals | - Core principles of network security - Network protocols and security mechanisms - Common threats and vulnerabilities |
Common Questions from Retake Candidates
No prior cybersecurity knowledge, IT work experience, or prerequisite exams required
You can confirm the current eligibility requirements on the official 112-51 exam page before you register.
The ECCouncil Network Defense Essentials (NDE) exam contains 75 questions, and you will have 120 minutes minutes to complete them. Practicing under the same time pressure is one of the most effective ways to prepare for a retake.
Each of the three versions — PDF, PC test engine, and online test engine — has its own strengths, and the fastest way to find your fit is to try them. Free demos are available for every version, so download each one and compare how the questions, layout, and testing modes feel before you commit.
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The ECCouncil Network Defense Essentials (NDE) practice questions are organized around the official exam objectives. Key topics include:
- Identity and Access Management ()
- Identification, Authentication, and Authorization ()
- Network Traffic Monitoring & Analysis ()
Studying topic by topic helps you find the weak areas that cost you points last time.
Many candidates combine practice questions with official training. Recommended options include:
This package includes 77 practice questions for the ECCouncil Network Defense Essentials (NDE) exam, with verified answers reviewed by an experienced team of IT experts and certified professionals.
You can register for the ECCouncil Network Defense Essentials (NDE) exam through the official channels:
The ECCouncil Network Defense Essentials (NDE) exam requires a score of 70% to pass, and the official registration fee is $75 USD (varies by region); $299 USD including training. Retake candidates should budget for both the exam fee and a preparation tool that is actually worth the money.
ECCouncil Network Defense Essentials (NDE) Sample Questions:
Below are the various steps involved in establishing a network connection using the shared key authentication process.
1.The AP sends a challenge text to the station.
2.The station connects to the network.
3.The station encrypts the challenge text using its configured 128-bit key and sends the encrypted text to the AP.
4.The station sends an authentication frame to the AP.
5.The AP uses its configured WEP key to decrypt the encrypted text and compares it with the original challenge text.
What is the correct sequence of steps involved in establishing a network connection using the shared key authentication process?
- A. 4 -- >1 -- >3 -- >5 -- >2
- B. 4 -- >2 -- >1 -- >3 -- >5
- C. 2 -- >4 -- >5 -- >1 -- >3
- D. 4 -- >5 -- >3 -- >2 -- >1
Correct Answer: A 🗳️
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Which of the following actors in the NIST cloud deployment reference architecture acts as an intermediary for providing connectivity and transport services between cloud consumers and providers?
- A. Cloud carrier
- B. Cloud auditor
- C. Cloud consumer
- D. Cloud provider
Correct Answer: A 🗳️
Alice purchased a new zip-based document bag and placed white papers related to the academic project.
As it contains confidential information, she locked it with a physical security control that requires a sequence of numbers and letters to unlock.
Identify the type of physical locking system used by Alice in the above scenario.
- A. Mechanical lock
- B. Electromagnetic lock
- C. Combination lock
- D. Digital lock
Correct Answer: C 🗳️
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Identify the backup mechanism that is performed within the organization using external devices such as hard disks and requires human interaction to perform the backup operations, thus, making it suspectable to theft or natural disasters.
- A. Onsite data backup
- B. Offsite data backup
- C. Online data backup
- D. Cloud data backup
Correct Answer: A 🗳️
Explanation: Only visible for iPassleader members. You can sign-up / login (it's free).
Amber is working as a team lead in an organization. She was instructed to share a policy document with all the employees working from remote locations and collect them after filling. She shared the files from her mobile device to the concerned employees through the public Internet. An unauthorized user accessed the file in transit, modified the file, and forwarded it to the remote employees.
Based on the above scenario, identify the security risk associated with mobile usage policies.
- A. Sharing confidential data on an unsecured network
- B. Infrastructure issues
- C. Improperly disposing of devices
- D. Lost or stolen devices
Correct Answer: A 🗳️
Explanation: Only visible for iPassleader members. You can sign-up / login (it's free).
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