Exam Name: Network Defense Essentials (NDE) Exam
Certification Provider: ECCouncil
Corresponding Certification: ECCouncil NDE
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No. of Questions: 77 Questions & Answers with Exam Engine
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- Total Questions: 77
- Updated on: Oct 12, 2026
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- Total Questions: 77
- Updated on: Oct 12, 2026
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ECCouncil 112-51 Exam Overview:
| Certification Vendor: | EC-Council |
|---|---|
| Exam Name: | Network Defense Essentials (NDE) Exam |
| Exam Number: | 112-51 |
| Related Certifications: | Certified Network Defender (CND) Network Defense Essentials (NDE) |
| Passing Score: | 70% |
| Certificate Validity Period: | 3 Years |
| Exam Price: | $299 USD |
| Available Languages: | English |
| Exam Format: | Multiple Choice |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 75 |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online Proctored Exam |
| Pre Condition: | No prerequisites or prior cybersecurity experience 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 Security Technologies | - Defense Mechanisms
|
| Topic 2: Introduction to Network Defense and Security | - Network Security Fundamentals
|
| Topic 3: Administrative, Physical and Technical Controls | - Security Controls
|
| Topic 4: Incident Response and Business Continuity | - Response Procedures
|
| Topic 5: Identification, Authentication and Access Control | - Identity Management
|
| Topic 6: Network Threats and Attacks | - Cyber Threats
|
| Topic 7: Network Infrastructure and Communication | - Network Components
|
| Topic 8: Network Monitoring and Defense | - Monitoring Techniques
|
112-51 Exam FAQ
The package includes 77 practice questions for the 112-51 exam, all with verified answers. The same content is available in three formats, so you can switch freely.
The 112-51 exam contains 75 questions to complete within 120 minutes minutes. Rehearsing under the same limit on the simulator builds calm, automatic pacing.
The PDF reads on phones, tablets, and computers, and it prints cleanly for candidates who like marking notes on paper. The PC file is an interactive simulator that makes rehearsal engaging. The online file is the updated edition of the PC version: intelligent functions, real-test simulation, and no limit on installation devices. All three carry the same questions and answers.
No prerequisites or prior cybersecurity experience required.
- Network Monitoring and Defense ()
- Network Infrastructure and Communication ()
- Incident Response and Business Continuity ()
Plan your hours according to each topic's weight.
112-51 requires 70% to pass, and the official exam fee is $299 USD. Fixing both numbers early keeps your practice target and your budget on the same page.
Before you buy, our team answers any question about the ECCouncil Network Defense Essentials (NDE) material, and the free demo lets you test it. After payment, the files reach your email within seconds, updates follow by email whenever the exam changes, and we protect your personal information throughout. Promotions appear on our homepage from time to time, so regular visitors often buy at a better price.
ECCouncil Network Defense Essentials (NDE) Sample Questions:
Messy, a network defender, was hired to secure an organization's internal network. He deployed an IDS in which the detection process depends on observing and comparing the observed events with the normal behavior and then detecting any deviation from it.
Identify the type of IDS employed by Messy in the above scenario.
- A. Application proxy
- B. Stateful protocol analysis
- C. Anomaly-based
- D. Signature-based
Correct Answer: C 🗳️
Explanation: Only visible for TestKingIT members. You can sign-up / login (it's free).
A major fire broke out in the storeroom of CyberSol Inc. It first gutted the equipment in the storeroom and then started spreading to other areas in the company. The officials of the company informed the fire department. The fire rescue team reached the premises and used a distribution piping system to suppress the fire, thereby preventing any human or asset loss.
Identify the type of fire-fighting system used by the rescue team in the above scenario.
- A. Wet chemical suppressant
- B. Sprinkler system
- C. Standpipe system
- D. Fire extinguisher
Correct Answer: B 🗳️
Explanation: Only visible for TestKingIT members. You can sign-up / login (it's free).
Jessica, a user, wanted to access the Internet from her laptop and therefore sends a connection request to the access point. To identify the wireless client, the access point forwarded that request to a RADIUS server.
The RADIUS server transmitted authentication keys to both the access point and Jessica's laptop. This key helps the access point identify a particular wireless client.
Identify the authentication method demonstrated in the above scenario.
- A. Open system authentication
- B. Shared key authentication
- C. Null authentication
- D. Centralized authentication
Correct Answer: D 🗳️
Explanation: Only visible for TestKingIT members. You can sign-up / login (it's free).
Finch, a security auditor, was assigned the task of providing devices to all the employees to enable work from remote locations. Finch restricted the devices to work only for organization-relatedtasks, and not for personal use.
Which of the following mobile usage policies has Finch implemented in the above scenario?
- A. COBO
- B. BYOD
- C. CYOD
- D. COPE
Correct Answer: A 🗳️
Explanation: Only visible for TestKingIT members. You can sign-up / login (it's free).
Clark, a security professional, was instructed to monitor and continue the backup functions without interrupting the system or application services. In this process, Clark implemented a backup mechanism that dynamically backups the data even if the system or application resources are being used.
Which of the following types of backup mechanisms has Clark implemented in the above scenario?
- A. Full backup
- B. Offline backup
- C. Hot backup
- D. Cold backup
Correct Answer: C 🗳️
Explanation: Only visible for TestKingIT members. You can sign-up / login (it's free).
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