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Free and Premium ECCouncil 112-51 Dumps Questions Answers

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Total 75 questions

Network Defense Essentials (NDE) Exam Questions and Answers

Question 1

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?

Options:

A.

Recovery controls

B.

Detective control

C.

Preventive controls

D.

Deterrent controls

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Question 2

Which of the following components of VPN is used to manage tunnels and encapsulate private data?

Options:

A.

Remote network

B.

VPN protocol

C.

Network access server

D.

VPN client

Question 3

Which of the following types of network traffic flow does not provide encryption in the data transfer process, and the data transfer between the sender and receiver is in plain text?

Options:

A.

SSL traffic

B.

HTTPS traffic

C.

SSH traffic

D.

FTP traffic

Question 4

Which of the following ISO standards provides guidance to ensure that cloud service providers offer appropriate information security controls to protect the privacy of their customer's clients by securing personally identifiable information entrusted to them?

Options:

A.

ISO/IEC 27001

B.

ISO/IEC 27018

C.

ISO/IEC 27011

D.

ISO/IEC 27007

Question 5

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?

Options:

A.

Data in use

B.

Data in transit

C.

Data inactive

D.

Data in rest

Question 6

Jamie wants to send a confidential file to her friend Alice. For this purpose, they installed an application for securely sharing the file. The application employs an encryption algorithm that usesthe same shared secret key for encryption and decryption of data.

Identify the type of cryptography employed by the application used by Alice and Jamie for file sharing.

Options:

A.

Symmetric cryptography

B.

Public-key cryptography

C.

RSA cryptosystem

D.

Asymmetric cryptography

Question 7

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

Options:

A.

HOIC

B.

HitmanPro

C.

Hulk

D.

Hashcat

Question 8

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.

Options:

A.

Substitution cipher

B.

Streamn cipher

C.

Transposition cipher

D.

Block cipher

Question 9

Which of the following algorithms uses a sponge construction where message blocks are XORed into the initial bits of the state that the algorithm then invertible permutes?

Options:

A.

MD5

B.

SHA-2

C.

SHA-3

D.

MD6

Question 10

Identify the loT communication model that serves as an analyzer for a company to track monthly or yearly energy consumption. Using this analysis, companies can reduce the expenditure on energy.

Options:

A.

Device-to-device model

B.

Cloud-to-cloud model

C.

Device-to-cloud model

D.

Device-to-gateway model

Question 11

Which of the following IDS components analyzes the traffic and reports if any suspicious activity is

detected?

Options:

A.

Command console

B.

Network sensor

C.

Database of attack signatures

D.

Response system

Question 12

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

Question 13

Clark, a security team member of an organization, was instructed to secure the premises from unauthorized entries. In this process, Clark implemented security controls that allow employees to enter the office only after scanning their badges or fingerprints.

Which of the following security controls has Clark implemented in the above scenario?

Options:

A.

Administrative security controls

B.

Technical security controls

C.

Physical security controls

D.

System access controls

Question 14

Joseph, a security professional, was instructed to secure the organization's network. In this process, he began analyzing packet headers to check whether any indications of source and destination IP addresses and port numbers are being changed during transmission.

Identify the attack signature analysis technique performed by Joseph in the above scenario.

Options:

A.

Composite-signature-based analysis

B.

Context-based signature analysis

C.

Content-based signature analysis

D.

Atomic-signature-based analysis

Question 15

Fernandez, a computer user, initiated an action to access a file located on a remote server. In this process, his account went through certain security constraints to check for any restrictions on his account with regard to access to the file.

Which of the following terms is referred to as a file in the above scenario?

Options:

A.

Operation

B.

Subject

C.

Reference monitor

D.

Object

Question 16

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

Question 17

Which of the following types of network segmentation is an easy approach to divide a network but can be expensive as it occupies more space?

Options:

A.

VLAN segmentation

B.

Logical segmentation

C.

Network virtualization

D.

Physical segmentation

Question 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

Question 19

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.

Options:

A.

Authentication

B.

Confidentiality

C.

Integrity

D.

Availability

Question 20

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.

Options:

A.

SOCKS proxy

B.

Anonymous proxy

C.

Reverse proxy

D.

Explicit proxy

Question 21

Finch, a security auditor, was assigned the task of providing devices to all the employees to enable work from remote locations. Finch restricted the devices to work only for organization-relatedtasks, and not for personal use.

Which of the following mobile usage policies has Finch implemented in the above scenario?

Options:

A.

CYOD

B.

COBO

C.

COPE

D.

BYOD

Question 22

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?

Options:

A.

Push notification

B.

PIN feature

C.

Geofencing

D.

Containerization

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Total 75 questions