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Eccouncil 112-51 Exam Questions
- Topic 1: Network Security Fundamentals: This component assesses an IT professional's knowledge of the principles behind network security, as well as the dangers and weaknesses connected to networks. This section aims to provide network engineers and security experts with an understanding of the various network security protocols, their purposes, and the ways in which they contribute to the overall security of the network.
- Topic 2: Identification, Authentication, and Authorization: This part addresses the basic concepts, jargon, and models associated with identifying, authenticating, and authorizing users and systems in a network environment. It is intended for security administrators and access control managers.
- Topic 3: Identity and Access Management (IAM) Concepts: An overview of IAM concepts, components, and their function in network resource security is given in this section for security architects and IAM administrators.
- Topic 4: Administrative Controls for Network Security: This section gives an overview of IAM ideas, components, and its function in network resource security for security architects and IAM administrators.
- Topic 5: Administrative Controls for Network Security: This section addresses the creation and application of security policies, standards, processes, and recommendations for compliance officers and security policy makers to safeguard network assets. It also entails being aware of the legal and regulatory frameworks around network security.
- Topic 6: Physical Controls for Network Security: This section highlights the significance of physical security measures for safeguarding network infrastructure and data, especially for physical security workers and building managers. It addresses several physical security measures and how to apply them.
- Topic 7: Technical Controls for Network Security: This section is intended for network engineers and security architects and focuses on technical safeguards for network systems and data.
Free Eccouncil 112-51 Exam Actual Questions
Note: Premium Questions for 112-51 were last updated On Apr. 25, 2025 (see below)
Barbara, a security professional, was monitoring the loT traffic through a security solution. She identified that one of the infected devices is trying to connect with other loT devices and spread malware onto the network. Identify the port number used by the malware to spread the infection to other loT devices.
Port 48101 is the port number used by the malware to spread the infection to other loT devices. This port is associated with the Mirai botnet, which is one of the most notorious loT malware that targets vulnerable loT devices and turns them into a network of bots that can launch distributed denial-of-service (DDoS) attacks. Mirai scans the internet for loT devices that use default or weak credentials and infects them by logging in via Telnet or SSH. Once infected, the device connects to a command and control (C&C) server on port 48101 and waits for instructions. The C&C server can then direct the botnet to attack a target by sending TCP, UDP, or HTTP requests. Mirai has been responsible for some of the largest DDoS attacks in history, such as the one that disrupted Dyn DNS in 2016 and affected major websites like Twitter, Netflix, and Reddit. Reference:
Mirai (malware), Wikipedia, March 16, 2021
Mirai Botnet: A History of the Largest loT Botnet Attacks, Imperva, December 10, 2020
Mirai Botnet: How loT Devices Almost Brought Down the Internet, Cloudflare, March 17, 2021
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.
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?
Which of the following protocols uses TLS/SSL to ensure secure transmission of data over the Internet?
HTTPS (Hypertext Transfer Protocol Secure) is a protocol that uses TLS/SSL to ensure secure transmission of data over the Internet. HTTPS is an extension of HTTP, which is the standard protocol for transferring data between web servers and browsers. HTTPS encrypts the data exchanged between the client and the server, preventing anyone from intercepting, modifying, or stealing the data. HTTPS also verifies the identity of the server using digital certificates, preventing spoofing or phishing attacks. HTTPS is widely used for web applications that handle sensitive information, such as online banking, e-commerce, or social media. Reference:
HTTPS - Week 7: Email Security
How does SSL work? | SSL certificates and TLS | Cloudflare
SSL and TLS: A Beginners Guide | SANS Institute
Which of the following techniques is referred to as a messaging feature that originates from a server and enables the delivery of data or a message from an application to a mobile device without any explicit request from the user?
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