Name: Eccouncil 112-51 Exam
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Free Eccouncil 112-51 Exam Actual Questions

The questions for 112-51 were last updated On Apr. 19, 2024

Question #1

Which of the following access control models refers to assigning permissions to a user role based on the rules defined for each user role by the administrator?

ADiscretionary rule access control

BMandatory rule access control

CRule-based access control

DRole-based access control

Reveal Solution

Correct Answer: D

Role-based access control (RBAC) is a type of access control model that refers to assigning permissions to a user role based on the rules defined for each user role by the administrator. In RBAC, the administrator creates different roles and assigns them the appropriate access rights to the resources. The administrator then assigns users to those roles based on their job functions. This way, the administrator can manage the access of users to the resources without having to deal with each user individually. RBAC can simplify the administration, enhance the security, and improve the scalability of the access control system12. Reference: Network Defense Essentials - EC-Council Learning, Role-Based Access Control (RBAC) and Role-Based Security

Question #2

Jay, a network administrator, was monitoring traffic flowing through an IDS. Unexpectedly, he received an event triggered as an alarm, although there is no active attack in progress.

Identify the type of IDS alert Jay has received in the above scenario.

ATrue negative alert

BFalse positive alert

CTrue positive alert

DFalse negative alert

Reveal Solution

Correct Answer: B

A false positive alert is a type of IDS alert that occurs when the IDS mistakenly identifies benign or normal traffic as malicious or suspicious, and triggers an alarm, although there is no active attack in progress. A false positive alert can be caused by various factors, such as misconfigured IDS rules, outdated signatures, network anomalies, or legitimate traffic that resembles attack patterns. A false positive alert can waste the time and resources of the security team, as they have to investigate and verify the alert, and also reduce the trust and confidence in the IDS. A false positive alert can be reduced by tuning and updating the IDS, filtering out irrelevant traffic, and using multiple detection methods. A false positive alert is the type of IDS alert Jay has received in the above scenario, as he received an event triggered as an alarm, although there is no active attack in progress. Reference:

False Positive Alert - Week 10: Intrusion Detection and Prevention Systems

What is a False Positive in Cybersecurity?

How to Reduce False Positives in Intrusion Detection Systems

Question #3

Which of the following tools is designed to identify and prevent malicious Trojans or malware from infecting computer systems or electronic devices?

AHOIC

BHitmanPro

CHulk

DHashcat

Reveal Solution

Correct Answer: B

HitmanPro is a tool that is designed to identify and prevent malicious Trojans or malware from infecting computer systems or electronic devices. HitmanPro is a cloud-based malware scanner that can detect and remove various types of malware, such as viruses, ransomware, spyware, rootkits, etc. HitmanPro can also work alongside other antivirus programs and provide a second opinion on the security status of the system12. Reference: Network Defense Essentials - EC-Council Learning, HitmanPro - Malware Removal Tool | Sophos

Question #4

Peter, a security professional, was hired by an organization and was instructed to secure the application and its content from unauthorized access. In this process, Peter implemented a public-key cryptosystem that uses modular arithmetic and elementary number theory for Internet encryption and user authentication.

Which of the following algorithms was employed by Peter in the above scenario?

ARSA

BMD6

CDSA

DSHA-2

Reveal Solution

Correct Answer: A

RSA is a public-key cryptosystem that uses modular arithmetic and elementary number theory for Internet encryption and user authentication. RSA stands for Rivest-Shamir-Adleman, the names of the inventors of the algorithm. RSA allows users to generate a pair of keys, one public and one private, that are mathematically related. The public key can be used to encrypt messages or verify digital signatures, while the private key can be used to decrypt messages or create digital signatures. RSA is based on the difficulty of factoring large numbers, which makes it secure and widely used12. Reference: What is Public-Key Cryptosystem in Information Security?, Network Defense Essentials (NDE) | Coursera

Question #5

Jacob, a network defender in an organization, was instructed to improve the physical security measures to prevent unauthorized intrusion attempts. In this process, Jacob implemented certain physical security controls by using warning messages and signs that notify legal consequences to discourage hackers from making intrusion attempts.

Which of the following type of physical security controls has Jacob implemented in the above scenario?

ARecovery controls

BDetective control

CPreventive controls

DDeterrent controls

Reveal Solution

Correct Answer: D

Deterrent controls are a type of physical security controls that use warning messages and signs to notify legal consequences and discourage hackers from making intrusion attempts. Deterrent controls aim to reduce the likelihood of an attack by creating a perception of risk or fear in the potential attackers. Deterrent controls can include fences, locks, alarms, cameras, guards, or security policies12. Reference: Network Defense Essentials - EC-Council Learning, Understanding the Various Types of Physical Security Controls

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