EC-Council Certified Network Defender CND: 312-38 Exam

"EC-Council Certified Network Defender CND", also known as 312-38 exam, is a EC-COUNCIL Certification. With the complete collection of questions and answers, BraindumpsPass has assembled to take you through 732 Q&As to your 312-38 Exam preparation. In the 312-38 exam resources, you will cover every field and category in Certified Ethical Hacker Certification helping to ready you for your successful EC-COUNCIL Certification.

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  • Updated on: Jul 24, 2026
  • No. of Questions: 732 Questions & Answers

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  • Updated on: Jul 24, 2026
  • No. of Questions: 732 Questions & Answers

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What is the duration, language, and format of Certified Network Defender

  • Duration of Exam: 90 minutes
  • Language of Exam: English, Japanese, Korean.
  • Type of Questions: Multiple choice (MCQs), multiple answers
  • Passing score: 200
  • Number of Questions: 40
  • No negative marking for wrong answers

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To help improve your performance, it is critical to understand the exam topics in detail. Thus, the content covered in the certification test that will be measured includes the following:

  • Application & Data Protection: 13%

    This module evaluates the learners’ skills in explaining & implementing Application Blacklisting & Whitelisting, application sandboxing, application patch management, and web application firewall. It also covers their understanding of data security and its importance. The interested candidates should also be able to describe the encryption of data at rest and at transit implementation.

  • Incident Detection: 14%

    To deal with the following objective, the examinees will need to have an understanding of the requirements and benefits of network traffic monitoring and the ability to explain the concepts of bandwidth monitoring and network performance. It also covers their skills in explaining log monitoring & analysis on Mac, Linux, Web, Routers, and Firewall.

  • Enterprise Virtual, Wireless, and Cloud Network Protection: 12%

    The next part of the test requires that you have the ability to explain network virtualization security, software-defined network security, network function virtualization, and operating system virtualization security. It also requires that you possess the skills in explaining security guidelines, best practices, and recommendations for containers, Kubernetes, and dockers, among others.

  • Protection of Network Perimeter: 16%

    This subject area focuses on the individuals’ skills in explaining access control terminologies, models, principles, as well as cryptographic security methods. The applicants should also develop their competence in explaining the concepts of identity & access management.

  • Incident Response: 10%

    As for this section, it focuses on one’s skills in explaining the process of handling incidents & response as well as forensics investigation. You should also be able to describe BCP & DRP, different BC/DR standards, and BC/DR activities.

  • Incident Prediction: 10%

    The last area covers the concepts of risk management and evaluates the students’ skills in managing risk through the risk management program and managing vulnerabilities through the vulnerability management program. It also covers their understanding of the cyber threat intelligence’s role in network defense and various threat intelligence types.

  • Endpoint Protection: 15%

    This domain requires a good understanding of security concerns and Windows operating system. It also focuses on your ability to explain different features and components of Windows security, Windows User Account, and Password Management. The test takers also need to have an understanding of the Linux operating system and security concerns. They should possess the ability to explain Linux installation, Linux patching, and Linux operating system hardening methods.

  • Network Defense Management: 10%

    This topic measures the ability of the candidates to describe important terminologies associated with network attacks as well as the skills in explaining different samples of the network-level, host-level, and application-level attack methods. Besides that, you should also be able to explain different samples of wireless network-specific attack methods.

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Final Thoughts

With the recent technological advancements, computer networks are no longer the simple connection of servers and systems managed by network administrators they used to be. They are complex infrastructures that have reduced the globe to a small village. But with this comes the consistent threat of digital attacks. To evade such incidents, most of the independent certification vendors such as the EC-Council are moving ahead of time to create certification paths to validate security experts who can act as the last line of defense against security incidents. Well, if getting a job in this path makes sense to you, check out the EC-Council Certified Network Defender designation alongside 312-38 evaluation. Simply put, it is a rewarding career track, to say the least.

EC-Council 312-38 Exam Syllabus Topics:

TopicDetailsWeights
Network Traffic Monitoring and Analysis- Understanding network traffic monitoring
- Importance of network traffic monitoring
- Discussing techniques used for network monitoring and analysis
- Appropriate position for network monitoring
- Connection of network monitoring system with managed switch
- Understanding network traffic signatures
- Baselining for normal traffic
- Disusing the various categories of suspicious traffic signatures
- Various techniques for attack signature analysis
- Understanding Wireshark components, working and features
- Demonstrating the use of various Wireshark filters
- Demonstrating the monitoring LAN traffic against policy violation
- Demonstrating the security monitoring of network traffic
- Demonstrating the detection of various attacks using Wireshark
- Discussing network bandwidth monitoring and performance improvement
9%
Network Incident Response and Management- Understanding Incident Handling and Response (IH&R)
- Roles and responsibilities of Incident Response Team (IRT)
- Describing role of first responder
- Describing first response activities for network administrators
- Describing Incident Handling and Response (IH&R) process
- Understanding forensic investigation
- People involved in forensics investigation
- Describing forensics investigation methodology
8%
Wireless Network Defense- Understanding wireless network
- Discussing various wireless standards
- Describing various wireless network topologies
- Describing possible use of wireless networks
- Explaining various wireless network components
- Explaining wireless encryption (WEP, WPA,WPA2) technologies
- Describing various authentication methods for wireless networks
- Discussing various types of threats on wireless networks
- Creation of inventory for wireless network components
- Appropriate placement of wireless Access Point (AP)
- Appropriate placement of wireless antenna
- Monitoring of wireless network traffic
- Detection and locating of rogue access points
- Prevention of wireless network from RF interference
- Describing various security implications for wireless network
6%
Secure VPN Configuration and Management- Understanding Virtual Private Network (VPN) and its working
- Importance of establishing VPN
- Describing various VPN components
- Describing implementation of VPN concentrators and its functions
- Explaining different types of VPN technologies
- Discussing components for selecting appropriate VPN technology
- Explaining core functions of VPN
- Explaining various topologies for implementation of VPN
- Discussing various VPN security concerns
- Discussing various security implications to ensure VPN security and performance
6%
Data Backup and Recovery- Understanding data backup
- Describing the data backup plan
- Describing the identification of data to backup
- Determining the appropriate backup medium for data backup
- Understanding RAID backup technology and its advantages
- Describing RAID architecture
- Describing various RAID levels and their use
- Selection of appropriate RAID level
- Understanding Storage Area Network (SAN) backup technology and its advantages
- Best practices of using SAN
- Understanding Network Attached Storage (NAS) backup technology and its advantages
- Describing various types of NAS implementation
9%
Secure Firewall Configuration and Management- Understanding firewalls
- Understanding firewall security concerns
- Describing various firewall technologies
- Describing firewall topologies
- Appropriate selection of firewall topologies
- Designing and configuring firewall ruleset
- Implementation of firewall policies
- Explaining the deployment and implementation of firewall
- Factors to considers before purchasing any firewall solution
- Describing the configuring, testing and deploying of firewalls
- Describing the management, maintenance and administration of firewall implementation
- Understanding firewall logging
- Measures for avoiding firewall evasion
- Understanding firewall security best practices
8%
Host Security- Understanding host security
- Understanding the importance of securing individual hosts
- Understanding threats specific to hosts
- Identifying paths to host threats
- Purpose of host before assessment
- Describing host security baselining
- Describing OS security baselining
- Understanding and describing security requirements for different types of servers
- Understanding security requirements for hardening of routers
- Understanding security requirements for hardening of switches
- Understanding data security concerns when data is at rest, in use, and in motion
- Understanding virtualization security
7%
Network Security Policy Design and Implementation- Understanding security policy
- Need of security policies
- Describing the hierarchy of security policy
- Describing the characteristics of a good security policy
- Describing typical content of security policy
- Understanding policy statement
- Describing steps for creating and implementing security policy
- Designing of security policy
- Implementation of security policy
- Describing various types of security policy
- Designing of various security policies
- Discussing various information security related standards, laws and acts
6%
Network Security Controls, Protocols, and Devices- Understanding fundamental elements of network security
- Explaining network access control mechanism
- Understanding different types of access controls
- Explaining network Authentication, Authorization and Auditing (AAA) mechanism
- Explaining network data encryption mechanism
- Describing Public Key Infrastructure (PKI)
- Describing various network security protocols
- Describing various network security devices
8%
Network Risk and Vulnerability Management- Understanding risk and risk management
- Key roles and responsibilities in risk management
- Understanding Key Risk Indicators (KRI) in risk management
- Explaining phase involves in risk management
- Understanding enterprise network risk management
- Describing various risk management frameworks
- Discussing best practices for effective implementation of risk management
- Understanding vulnerability management
- Explaining various phases involve in vulnerability management
- Understanding vulnerability assessment and its importance
- Discussing requirements for effective network vulnerability assessment
- Discussing internal and external vulnerability assessment
- Discussing steps for effective external vulnerability assessment
- Describing various phases involve in vulnerability assessment
- Selection of appropriate vulnerability assessment tool
- Discussing best practices and precautions for deploying vulnerability assessment tool
- Describing vulnerability reporting, mitigation, remediation and verification
9%
Secure IDS Configuration and Management- Understanding different types of intrusions and their indications
- Understanding IDPS
- Importance of implementing IDPS
- Describing role of IDPS in network defense
- Describing functions, components, and working of IDPS
- Explaining various types of IDS implementation
- Describing staged deployment of NIDS and HIDS
- Describing fine-tuning of IDS by minimizing false positive and false negative rate
- Discussing characteristics of good IDS implementation
- Discussing common IDS implementation mistakes and their remedies
- Explaining various types of IPS implementation
- Discussing requirements for selecting appropriate IDSP product
- Technologies complementing IDS functionality
8%
Network Security Threats, Vulnerabilities, and Attacks- Understanding threat, attack, and vulnerability
- Discussing network security concerns
- Reasons behind network security concerns
- Effect of network security breach on business continuity
- Understanding different types of network threats
- Understanding different types of network security vulnerabilities
- Understanding different types of network attacks
- Describing various network attacks
5%
Physical Security- Understanding physical security
- Importance of physical security
- Factors affecting physical security
- Describing various physical security controls
- Understanding the selection of Fire Fighting Systems
- Describing various access control authentication techniques
- Understanding workplace security
- Understanding personnel security
- Describing Environmental Controls
- Importance of physical security awareness and training
6%
Computer Network and Defense Fundamentals- Understanding computer network
- Describing OSI and TCP/IP network Models
- Comparing OSI and TCP/IP network Models
- Understanding different types of networks
- Describing various network topologies
- Understanding various network components
- Explaining various protocols in TCP/IP protocol stack
- Explaining IP addressing concept
- Understanding Computer Network Defense (CND)
- Describing fundamental CND attributes
- Describing CND elements
- Describing CND process and Approaches
5%

Reference: https://www.eccouncil.org/programs/certified-network-defender-cnd/

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