Hacking and Intrusion Detection: Master the Art of Cybersecurity

Question 1

Which of the following is a common technique used by attackers to gain unauthorized access to a system?

Accepted Answer

Social engineering

Answer

Vulnerability scanning

Answer

Intrusion detection

Answer

Cryptography

Question 2

Which type of attack exploits a software or system configuration vulnerability to gain unauthorized access?

Accepted Answer

Buffer overflow attack

Answer

SQL injection attack

Answer

Cross-site scripting attack

Answer

Man-in-the-middle attack

Question 3

What is the primary function of a network access control (NAC) solution?

Accepted Answer

Enforcing network access policies based on user identity and device security

Answer

Detecting and preventing malicious network traffic

Answer

Analyzing network traffic for security threats

Answer

Providing VPN access to remote users

Question 4

Which of the following is a type of security incident involving unauthorized access, use, disclosure, disruption, modification, or destruction of information?

Accepted Answer

Data breach

Answer

Theft of intellectual property

Answer

Malware infection

Answer

Network outage

Question 5

What is the main goal of a security audit?

Accepted Answer

Identifying and evaluating vulnerabilities in a system or network

Answer

Assuring the security of a system or network

Answer

Testing the effectiveness of security controls

Answer

Developing a cybersecurity incident response plan

Question 6

Which of the following is a commonly used encryption algorithm for securing data in transit?

Accepted Answer

AES

Answer

DES

Answer

RSA

Answer

MD5

Question 7

Which of the following is NOT a common hacking technique used by malicious actors?

Accepted Answer

Ethical hacking

Answer

Social engineering

Answer

Brute force attack

Answer

Malware injection

Question 8

What is the primary purpose of intrusion detection systems in network security?

Accepted Answer

Detect and respond to intrusions

Answer

Prevent attacks from occurring

Answer

Monitor network traffic for suspicious activity

Answer

Identify vulnerabilities in the network

Question 9

Which type of intrusion detection system analyzes traffic patterns and behaviors to detect anomalies and potential threats?

Accepted Answer

Anomaly-based IDS

Answer

Signature-based IDS

Answer

Host-based IDS

Answer

Network-based IDS

Question 10

What is a honeypot used for in network security?

Accepted Answer

An attractive target used to decoy attackers and gather information about their tactics

Answer

A system designed to detect and analyze attacks

Answer

A firewall that blocks unauthorized traffic

Answer

A tool for ethical hacking and penetration testing

Question 11

Which of the following is NOT a type of malware?

Accepted Answer

Firewall

Answer

Virus

Answer

Worm

Answer

Trojan horse

Question 12

What is the primary purpose of encryption in network security?

Accepted Answer

To prevent unauthorized access to sensitive data

Answer

To ensure data integrity and prevent unauthorized modifications

Answer

To enhance data performance and reduce network latency

Answer

To reduce data redundancy and storage requirements

Question 13

What are the three fundamental principles that guide network security measures?

Accepted Answer

Confidentiality, integrity, and availability

Answer

Prevention, detection, and response

Answer

Authentication, authorization, and accounting

Answer

Encryption, decryption, and hashing

Question 14

What is the primary purpose of a firewall in network security?

Accepted Answer

To prevent unauthorized access to a network

Answer

To detect and analyze network traffic for suspicious activity

Answer

To encrypt network communications

Answer

To monitor network performance

Question 15

Which type of intrusion detection system (IDS) uses predefined signatures to identify malicious activity?

Accepted Answer

Signature-based IDS

Answer

Anomaly-based IDS

Answer

Hybrid IDS

Answer

State-based IDS

Question 16

What is the main distinction between an intrusion prevention system (IPS) and an intrusion detection system (IDS)?

Accepted Answer

IPS has the ability to prevent intrusions, while IDS can only detect them.

Answer

IDS has the ability to prevent intrusions, while IPS can only detect them.

Answer

IPS and IDS have the same capabilities.

Answer

IPS is a type of IDS.

Question 17

What is the primary objective of a hacker who employs social engineering tactics?

Accepted Answer

To gain unauthorized access to a computer system or network

Answer

To steal sensitive information

Answer

To disrupt a network

Answer

To cause financial loss

Question 18

What is a primary advantage of using an encrypted communication channel?

Accepted Answer

It prevents eavesdropping by unauthorized parties

Answer

It guarantees the authenticity of the sender

Answer

It speeds up data transmission

Answer

It reduces network traffic

Question 19

Which of the following is a common vulnerability exploited by hackers using buffer overflow?

Accepted Answer

Uninitialized memory

Answer

Input validation errors

Answer

Race conditions

Answer

Cross-site scripting

Question 20

What is the primary goal of an intrusion detection system (IDS)?

Accepted Answer

To identify and report unauthorized or malicious activities within a network or system.

Answer

To prevent intrusions by blocking suspicious traffic.

Answer

To collect detailed information about intrusions for forensic analysis.

Question 21

Which of the following is a type of signature-based intrusion detection system (IDS)?

Accepted Answer

Stateful protocol analyzer

Answer

Host-based IDS

Answer

Network traffic analyzer

Answer

Anomaly-based detector

Question 22

Which of the following is a best practice for preventing unauthorized network access?

Accepted Answer

Implement strong password policies and enable multi-factor authentication.

Answer

Disable firewall protection to improve network performance.

Answer

Permit access to all network ports and protocols without restriction.

Question 23

What is the primary purpose of using honeypots and honeynets in intrusion detection?

Accepted Answer

To attract and monitor malicious actors in a controlled environment to gather intelligence and study their techniques.

Answer

To act as decoys to divert attacks away from the actual network.

Answer

To block and neutralize malicious traffic in real-time.

Question 24

Explain the distinction between active and passive reconnaissance in hacking.

Accepted Answer

Active reconnaissance involves actively probing a target system to gather information, while passive reconnaissance involves collecting information without direct interaction with the system.

Answer

Passive reconnaissance is solely used for information gathering, while active reconnaissance is used for exploiting vulnerabilities.

Answer

Active reconnaissance is always more effective than passive reconnaissance.

Question 25

What is the primary function of a Security Information and Event Management (SIEM) system?

Accepted Answer

To collect, analyze, and correlate security-related events from multiple sources to provide a comprehensive view of security incidents.

Answer

To respond to security incidents in real-time.

Answer

To prevent security incidents from occurring.