Smooth preparation needs current material. ValidVCE always checks the updating of the ECCouncil Network Defense Essentials (NDE) set — 77 practice questions for the 112-51 exam, accurate through 2026.
ECCouncil 112-51 Exam Overview:
| Certification Vendor: | EC-Council |
|---|---|
| Exam Name: | EC-Council Network Defense Essentials (NDE) Exam 112-51 |
| Exam Number: | 112-51 |
| Real Exam Qty: | Not officially disclosed |
| Certificate Validity Period: | 3 years (typical EC-Council certification validity; confirm with official policy) |
| Passing Score: | Not officially disclosed |
| Available Languages: | English |
| Exam Duration: | Not officially disclosed |
| Related Certifications: | Certified Network Defender (CND) EC-Council Cybersecurity Essentials |
| Exam Format: | Proctored exam, Multiple choice |
| Exam Price: | Varies by region and training bundle (not fixed publicly) |
| Recommended Training: | Network Defense Essentials (NDE) Official Training |
| Exam Registration: | EC-Council Official Certification Portal |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored exam via EC-Council authorized platform |
| Pre Condition: | No formal prerequisites required (recommended basic networking knowledge) |
| Official Syllabus URL: | https://www.eccouncil.org/programs/network-defense-essentials-nde/ |
ECCouncil 112-51 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Cryptography and Secure Communications | - Encryption fundamentals - Secure protocols and VPNs |
| Topic 2: Threats and Attack Vectors | - Network-based attacks - Malware and social engineering |
| Topic 3: Network Security Fundamentals | - Introduction to networking concepts - Security principles and models |
| Topic 4: Network Security Controls | - Firewalls and perimeter defense - IDS/IPS systems |
| Topic 5: Network Defense Operations | - Monitoring and incident response basics - Security policies and best practices |
ECCouncil 112-51 Exam: FAQ for Busy Professionals
Yes — download the free ECCouncil Network Defense Essentials (NDE) demo and inspect the material before buying. Purchases include the right of free updating for 365 days, with latest versions emailed promptly upon release; renew afterward at 50% off.
Varies by region and training bundle (not fixed publicly) per attempt, Not officially disclosed to pass. For busy professionals, one prepared attempt beats two rushed ones — work through the 77 practice questions for the 112-51 exam at ValidVCE first.
The ECCouncil Network Defense Essentials (NDE) blueprint covers 5 domains — including Cryptography and Secure Communications, Threats and Attack Vectors, Network Defense Operations. Budget your limited hours by weighting; the complete outline above lists every subtopic.
Through the vendor's official registration channels:
The ECCouncil Network Defense Essentials (NDE) is delivered Online proctored exam via EC-Council authorized platform — pick the arrangement that fits your calendar when booking.
The ECCouncil Network Defense Essentials (NDE) is ECCouncil's certification exam for Network Defense Essentials (NDE), at the Associate level. It's among the most authoritative credentials in the field — for those aiming at ECCouncil careers, it's the first step. Related credentials include Certified Network Defender (CND), EC-Council Cybersecurity Essentials.
Files arrive by automatic email within a minute of payment — unlimited devices, and 24/7 customer assisting if nothing shows up within 2 hours (check spam). Need an invoice? Email us your company name for a custom invoice made to your demand. If you fail the corresponding 112-51 exam within 60 days of purchase, we process a full refund within 7 days — send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Alternatively, exchange for two equal-value products free.
No formal prerequisites required (recommended basic networking knowledge) Vendors update eligibility rules over time, so verify the current requirements on the official page (official 112-51 exam page) before registering.
Yes:
Official training teaches; practice proves. After any course, review with the 77 practice questions for the ECCouncil Network Defense Essentials (NDE) — answers expert-verified.
Not officially disclosed for Not officially disclosed questions. Time-pressed candidates should rehearse the clock: short timed sets on busy days, full simulations on free ones.
ECCouncil Network Defense Essentials (NDE) Sample Questions:
Which of the following objects of the container network model (CNM) contains the configuration files of a container's network stack, such as routing table, container's interfaces, and DNS settings?
- A. Endpoint
- B. Network drivers
- C. IPAM drivers
- D. Sandbox
Correct Answer: D 🗳️
Explanation: Only visible for ValidVCE members. You can sign-up / login (it's free).
John is working as a network administrator in an MNC company. He was instructed to connect all the remote offices with the corporate office but at the same time deny communication between the remote offices. In this process, he configured a central hub at the corporate head office, through which all branch offices can communicate.
Identify the type of VPN topology implemented by John in the above scenario.
- A. Star topology
- B. Hub-and-spoke topology
- C. Point-to-point topology
- D. Mesh topology
Correct Answer: B 🗳️
Explanation: Only visible for ValidVCE members. You can sign-up / login (it's free).
Identify the technique through which mobile application marketers utilize the user's location to gather sensitive data and know about users' offline activities from the location data.
- A. Push notification
- B. Full device encryption
- C. Geofencing
- D. Containerization
Correct Answer: C 🗳️
Explanation: Only visible for ValidVCE members. You can sign-up / login (it's free).
Bob has secretly installed smart CCTV devices (loT devices) outside his home and wants to access the recorded data from a remote location. These smart CCTV devices send sensed data to an intermediate device that carries out pre-processing of data online before transmitting it to the cloud for storage and analysis. The analyzed data is then sent to Bob for initiating actions.
Identify the component of loT architecture that collects data from loT devices and performs data pre-processing.
- A. Data lakes
- B. Gateway
- C. Machine learning
- D. Streaming data processor
Correct Answer: B 🗳️
Explanation: Only visible for ValidVCE members. You can sign-up / login (it's free).
Which of the following types of network traffic flow does not provide encryption in the data transfer process, and the data transfer between the sender and receiver is in plain text?
- A. SSH traffic
- B. FTP traffic
- C. SSL traffic
- D. HTTPS traffic
Correct Answer: B 🗳️
Explanation: Only visible for ValidVCE members. You can sign-up / login (it's free).




