112-51 ECCouncil Network Defense Essentials (NDE) Exam Free Practice Exam Questions (2025 Updated)
Prepare effectively for your ECCouncil 112-51 Network Defense Essentials (NDE) Exam certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.
Stephen, a security specialist, was instructed to identify emerging threats on the organization's network. In
this process, he employed a computer system on the Internet intended to attract and trap those who
attempt unauthorized host system utilization to penetrate the organization's network.
Identify the type of security solution employed by Stephen in the above scenario.
Which of the following techniques protects sensitive data by obscuring specific areas with random
characters or codes?
John has recently joined an organization and completed his security training. The organization conducted a security campaign on their employees by sending a fake email stating the urgency of password reset. John identified that it was an illegitimate mail and reported it as spam.
Identify the type of attack initiated by the organization as part of the security campaign discussed in the above scenario.
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?
Mary was surfing the Internet, and she wanted to hide her details and the content she was surfing over the web. She employed a proxy tool that makes his online activity untraceable.
Identify the type of proxy employed by John in the above scenario.
Which of the following IDS components analyzes the traffic and reports if any suspicious activity is
detected?
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?
Peter, a network defender, was instructed to protect the corporate network from unauthorized access. To achieve this, he employed a security solution for wireless communication that uses dragonfly key exchange for authentication, which is the strongest encryption algorithm that protects the network from dictionary and key recovery attacks.
Identify the wireless encryption technology implemented in the security solution selected by Peter in the above scenario.
Kelly, a cloud administrator at TechSol Inc., was instructed to select a cloud deployment model to secure the corporate data and retain full control over the data.
Which of the following cloud deployment models helps Kelly in the above scenario?
Kalley, a network administrator of an organization, has installed a traffic monitoring system to capture and report suspicious traffic signatures. In this process, she detects traffic containing password cracking, sniffing, and brute-forcing attempts.Which of the following categories of suspicious traffic signature were identified by Kalley through the installed monitoring system?
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.
Finch, a security professional, was instructed to strengthen the security at the entrance. At the doorway, he implemented a security mechanism that allows employees to register their retina scan and a unique six- digit code, using which they can enter the office at any time.
Which of the following combinations of authentication mechanisms is implemented in the above scenario?
Mark, a network administrator in an organization, was assigned the task of preventing data from falling into the wrong hands. In this process, Mark implemented authentication techniques and performed full memory encryption for the data stored on RAM.
In which of the following states has Steve encrypted the data in the above scenario?
Which of the following components of VPN is used to manage tunnels and encapsulate private data?
Joseph, a cloud administrator, was recruited for the management and deployment of the software
containers. As part of his job, Joseph employed an automated solution that converts images into containers, deploys them to the hosts, and further monitors container workflow from a single location.
Identify the solution employed by Joseph in the above scenario.
Cibel.org, an organization, wanted to develop a web application for marketing its products to the public. In this process, they consulted a cloud service provider and requested provision of development tools, configuration management, and deployment platforms for developing customized applications.
Identify the type of cloud service requested by Cibel.org in the above scenario.
John is working as a security professional in FinCorp Ltd. He was instructed to deploy a security solution on their corporate network that provides real-time monitoring, correlation of events, threat detection, and security incident response activities.
Which of the following security solutions helps John in the above scenario?
Identify the UBA tool that collects user activity details from multiple sources and uses artificial intelligence and machine learning algorithms to perform user behavior analysis to prevent and detect various threats before the fraud is perpetrated.
Which of the following tools is designed to identify and prevent malicious Trojans or malware from infecting computer systems or electronic devices?
Alice was working on her major project; she saved all her confidential files and locked her laptop. Bob wanted to access Alice's laptop for his personal use but was unable to access the laptop due to biometric authentication.
Which of the following network defense approaches was employed by Alice on her laptop?
