New 112-51 Exam Testking & 112-51 Practice Guide

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ECCouncil 112-51 Exam Syllabus Topics:

Topic	Details
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.\| 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.\| 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 2	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 3	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.
Topic 4	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 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.

ECCouncil Network Defense Essentials (NDE) Exam Sample Questions (Q21-Q26):

NEW QUESTION # 21
Alice purchased a new zip-based document bag and placed white papers related to the academic project.
As it contains confidential information, she locked it with a physical security control that requires a sequence of numbers and letters to unlock.
Identify the type of physical locking system used by Alice in the above scenario.

A. Digital lock
B. Mechanical lock
C. Combination lock
D. Electromagnetic lock

Answer: C

Explanation:
A combination lock is a type of physical locking system that requires a sequence of numbers and letters to unlock. The user has to dial or enter the correct combination to open the lock. Combination locks are commonly used for securing luggage, safes, lockers, etc.In the scenario, Alice locked her zip-based document bag with a combination lock that requires a sequence of numbers and letters to unlock12.References:Network Defense Essentials - EC-Council Learning,Understanding the Various Types of Physical Security Controls

NEW QUESTION # 22
Kevin, a security team member, was instructed to share a policy document with the employees. As it was supposed to be shared within the network, he used a simple algorithm to encrypt the document that just rearranges the same characters to produce the ciphertext.
Identify the type of cipher employed by Kevin in the above scenario.

A. Block cipher
B. Transposition cipher
C. Streamn cipher
D. Substitution cipher

Answer: B

Explanation:
A transposition cipher is a type of cipher that encrypts a document by rearranging the same characters to produce the ciphertext. A transposition cipher does not change the identity or frequency of the characters, but only their position. A transposition cipher can use various methods to permute the characters, such as writing them in a grid and reading them in a different order, or shifting them along a rail fence pattern. A transposition cipher is a simple and fast algorithm, but it can be easily broken by frequency analysis or anagramming. A transposition cipher is the type of cipher employed by Kevin in the above scenario, as he used a simple algorithm to encrypt the document that just rearranges the same characters to produce the ciphertext.
References:
* Transposition cipher- Wikipedia
* Network Security: Transposition Cipher Techniques- Coding Streets
* Network Defense Essentials (NDE) | Coursera- Module 4: Cryptography Techniques
* Columnar Transposition Cipher- GeeksforGeeks

NEW QUESTION # 23
An loT sensor in an organization generated an emergency alarm indicating a security breach. The servers hosted in an loT layer accepted, stored, and processed the sensor data received from loT gateways and created dashboards for monitoring, analyzing, and implementing proactive decisions to tackle the issue.
Which of the following layers in the loT architecture performed the above activities after receiving an alert from the loT sensor?

A. Device layer
B. Communication Layer
C. Process layer
D. Cloud layer

Answer: D

Explanation:
The cloud layer of IoT architecture is the layer that hosts the servers that accept, store, and process the sensor data received from IoT gateways. The cloud layer also creates dashboards for monitoring, analyzing, and implementing proactive decisions to tackle the issue. The cloud layer provides scalability, reliability, and security for the IoT system.The cloud layer can use various cloud computing models, such as public, private, hybrid, or community clouds12.References:Network Defense Essentials - EC-Council Learning,IoT Architecture: The 4 Layers of an IoT System

NEW QUESTION # 24
Bob, a security professional, was recruited by an organization to ensure that application services are being delivered as expected without any delay. To achieve this, Bob decided to maintain different backup servers for the same resources so that if one backup system fails, another will serve the purpose.
Identify the IA principle employed by Bob in the above scenario.

A. Confidentiality
B. Availability
C. Integrity
D. Authentication

Answer: B

NEW QUESTION # 25
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.

A. Reverse proxy
B. Anonymous proxy
C. SOCKS proxy
D. Explicit proxy

Answer: B

Explanation:
anonymous proxy is a type of proxy that hides the user's IP address and other identifying information from the web servers they access. An anonymous proxy acts as an intermediary between the user and the internet, and it modifies the HTTP headers to prevent the web servers from tracking the user's location, browser, or device.
An anonymous proxy can help the user bypass geo-restrictions, censorship, and online surveillance. However, an anonymous proxy does not encrypt the user's traffic, and it may still leak some information to the proxy provider or other third parties. An anonymous proxy is the type of proxy employed by Mary in the above scenario, as she used a proxy tool that makes her online activity untraceable.References:
* What is a Proxy Server and How Does it Work?
* 13 Best Proxy Tools for PC [2024 Reviewed]- Section: Anonymous proxies
* The Fastest Free Proxy

NEW QUESTION # 26
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NEW 112-51 EXAM TESTKING & 112-51 PRACTICE GUIDE

New 112-51 Exam Testking & 112-51 Practice Guide