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Pass the ECCouncil NDE 112-51 Questions and answers with ValidTests

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Questions # 11:

Jessica, a user, wanted to access the Internet from her laptop and therefore sends a connection request to the access point. To identify the wireless client, the access point forwarded that request to a RADIUS server.

The RADIUS server transmitted authentication keys to both the access point and Jessica's laptop. This key helps the access point identify a particular wireless client.

Identify the authentication method demonstrated in the above scenario.

Options:

A.

Shared key authentication

B.

Null authentication

C.

Open system authentication

D.

Centralized authentication

Expert Solution
Questions # 12:

Johana was working on a confidential project on her laptop. After working for long hours, she wanted to have a coffee break. Johana left the system active with the project file open and went for a coffee break. Soon after Johana left the place, Bob accessed Johana's system and modified the project file.

Which of the following security guidelines did Johana fail to comply with?

Options:

A.

Always log off or lock the system when unattended

B.

Do not share your computer user account details

C.

Keep different passwords for the OS and frequently used applications

D.

Do not keep a common password for all accounts

Expert Solution
Questions # 13:

James was recruited as security personnel in an organization and was instructed to secure the organization's infrastructure from physical threats. To achieve this, James installed CCTV systems near gates, reception, hallways, and workplaces to capture illicit activities inside the premises, identify activities that need attention, collect images as evidence, and aid in an alarm system.

Identify the type of physical security control implemented by James in the above scenario.

Options:

A.

Video surveillance

B.

Fire-fighting systems

C.

Lighting system

D.

Physical barriers

Expert Solution
Questions # 14:

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.

Options:

A.

True negative alert

B.

False positive alert

C.

True positive alert

D.

False negative alert

Expert Solution
Questions # 15:

Carol is a new employee at ApTech Sol Inc., and she has been allocated a laptop to fulfill his job activities.

Carol tried to install certain applications on the company's laptop but could not complete the installation as she requires administrator privileges to initiate the installation process. The administrator imposed an access policy on the company's laptop that only users with administrator privileges have installation rights.

Identify the access control model demonstrated in the above scenario.

Options:

A.

Rule-based access control {RB-RBAC)

B.

Mandatory access control {MAC)

C.

Role-based access control (RBAC)

D.

Discretionary access control (DAC)

Expert Solution
Questions # 16:

John, from a remote location, was monitoring his bedridden grandfather's health condition at his home. John has placed a smart wearable ECG on his grandfather's wrist so that he can receive alerts to his mobile phone and can keep a track over his grandfather's health condition periodically.

Which of the following types of loT communication model was demonstrated in the above scenario?

Options:

A.

Device-to-gateway model

B.

Device-to-cloud model

C.

Cloud-to-cloud communication model

D.

Device-to-device model

Expert Solution
Questions # 17:

Ben, a computer user, applied for a digital certificate. A component of PKI verifies Ben's identity using the credentials provided and passes that request on behalf of Ben to grant the digital certificate.

Which of the following PKI components verified Ben as being legitimate to receive the certificate?

Options:

A.

Certificate authority (CA)

B.

Registration authority {RA)

C.

Certificate directory

D.

Validation authority (VA)

Expert Solution
Questions # 18:

Robert, an ISP, was instructed to provide network connectivity to all areas even if some locations are inaccessible to capture direct signals from wireless access points. In this process, Robert used a wireless network component that takes a signal from one access point and boosts its signal strength to create a new network.

Identify the component of the wireless network employed by Robert in the above scenario.

Options:

A.

Mobile hotspot

B.

Wireless bridge

C.

Wireless NIC

D.

Wireless repeater

Expert Solution
Questions # 19:

Jacob, an attacker, targeted container technology to destroy the reputation of an organization. To achieve this, he initially compromised a single container exploiting weak network defaults,overloaded the rest of the containers in the local domain, and restricted them from providing services to legitimate users.

Identify the type of attack initiated by Jacob in the above scenario.

Options:

A.

Cross-container attack

B.

Docker registry attack

C.

Container escaping attack

D.

Replay attack

Expert Solution
Questions # 20:

Bob has secretly installed smart CCTV devices (loT devices) outside his home and wants to access the recorded data from a remote location. These smart CCTV devices send sensed data to an intermediate device that carries out pre-processing of data online before transmitting it to the cloud for storage and analysis. The analyzed data is then sent to Bob for initiating actions.

Identify the component of loT architecture that collects data from loT devices and performs data pre-processing.

Options:

A.

Streaming data processor

B.

Gateway

C.

Data lakes

D.

Machine learning

Expert Solution
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