Cyber Security and Emerging Technologies MCQ Quiz - Objective Question with Answer for Cyber Security and Emerging Technologies - Download Free PDF

The correct answer is botnets

The correct answer is option 4.

Key Points 

• Malicious Malware Software attacks a computer or network in the form of viruses, worms, trojans, spyware, adware, or rootkits.
• Rootkit: A rootkit is a malicious software that modifies the ordinary operation of an operating system on a computer invisibly. The alteration allows the hacker to get complete control of the machine, and the hacker operates as the victim's system administrator. Almost all rootkits are designed to remain undetected.

Hence the correct answer is Rootkit.

Additional Information

•  A Trojan Horse Virus is a sort of malware that infiltrates a computer while masquerading as genuine software. Typically, an attacker will employ social engineering to embed harmful code within genuine software in order to acquire system access with their program.
• Spyware is a kind of harmful software, often known as malware, that is placed on a computer without the end user's knowledge. It infiltrates the device, obtains sensitive information and internet usage statistics, and then sends it to advertising, data corporations, or other users.

option 1) is correct answ

Antivirus software deals with the security of a computer system.

Key Points

• Antivirus software, or anti-virus software, is also known as anti-malware.
• It is a computer program used to prevent, detect, and remove malware.
• Various important Antivirus:
  • Bitdefender Antivirus Plus. Well, rounded everyday antivirus protection.
  • Norton AntiVirus Plus. Smooth protection for your system.
  • Avira Antivirus Pro.
  • F-Secure Antivirus SAFE.
  • Kaspersky Anti-Virus.
  • Trend Micro Antivirus+ Security. 
  • Webroot SecureAnywhere AntiVirus. 
  • ESET NOD32 Antivirus.

Additional Information 

Worms

A worm virus is a malicious, self-replicating program that can spread throughout a network without human assistance.

Sasser

Sasser is a computer worm that affects computers running vulnerable versions of the Microsoft operating systems Windows XP and Windows 2000. Sasser spreads by exploiting the system through a vulnerable port.

The correct answer is patent.

Key Points

• A patent is an invention-grounded legal document that defines and provides the deliverer with exclusive rights to count others from producing, dealing, or distributing such an invention.
• Functional expression of the idea/invention will be protected by patent.
• The violation of these exclusive rights of the patent holder is known as a patent violation.
• A patent protects an invention for 20 years from the date the patent is applied, after which it can be freely used.

 Additional Information

• Copyright: Copyright is referred to as a tool used to protect the authors' original works like novels, art, architecture, music and so on. The copyright ensures that only the owner has the right to project, share and license the content.
• Registered trademark: A registered trademark is used for protecting the brands, logos, and slogans of an organisation.

The correct answer is Option 1.

Key Points

Phishing

• It is cyber-attacks are the practice of sending fraudulent communications that appear to come from a reputable source. It is usually done through email.
• It is a type of cyber attack that involves tricking users into revealing sensitive information. Hence, Option 1 is correct.
• The goal is to steal sensitive data like credit card and login information or to install malware on the victim’s machine.
• The first phishing lawsuit was filed in 2004 against a Californian teenager who created the imitation of the website “America Online”. With this fake website, he was able to gain sensitive information from users and access their credit card details to withdraw money from their accounts.
• Other than email and website phishing, there’s also 'vishing' (voice phishing), 'smishing' (SMS Phishing), and several other phishing techniques cybercriminals are constantly coming up with. 

Additional Information

SQL Injection (SQLi)

• It is a type of injection attack that makes it possible to execute malicious SQL statements. These statements control a database server behind a web application. Attackers can use SQL Injection vulnerabilities to bypass application security measures. 

DOS attack

• A denial-of-service (DoS) attack is a type of cyber attack in which a malicious actor aims to render a computer or other device unavailable to its intended users by interrupting the device's normal functioning.

The correct answer is option 4.

Key Points 

• Malicious Malware Software attacks a computer or network in the form of viruses, worms, trojans, spyware, adware, or rootkits.
• Rootkit: A rootkit is a malicious software that modifies the ordinary operation of an operating system on a computer invisibly. The alteration allows the hacker to get complete control of the machine, and the hacker operates as the victim's system administrator. Almost all rootkits are designed to remain undetected.

Hence the correct answer is Rootkit.

Additional Information

•  A Trojan Horse Virus is a sort of malware that infiltrates a computer while masquerading as genuine software. Typically, an attacker will employ social engineering to embed harmful code within genuine software in order to acquire system access with their program.
• Spyware is a kind of harmful software, often known as malware, that is placed on a computer without the end user's knowledge. It infiltrates the device, obtains sensitive information and internet usage statistics, and then sends it to advertising, data corporations, or other users.

The correct answer is All of the above

Key PointsFeatures of cyber security:

• Compliance: Utilizes passwords, biometric data, and other forms of user identification to verify identity.
• Encryption: Converts sensitive data into coded language to prevent unauthorized access.
• Firewalls: Shields network systems from potential threats by monitoring and controlling incoming and outgoing network traffic.
• Intrusion Detection System (IDS): Monitors network traffic to identify malicious activities.
• Anti-malware Protection: Protects systems from malware such as viruses, ransomware, and spyware.
• Secure Sockets Layer (SSL): Establishes an encrypted link between a web server and a browser, securing data transfer.
• Defence against internal threats​: Provides real-time analysis of security alerts.
• Multi-factor Authentication (MFA) for Threat Prevention: Requires multiple methods of verification to ensure identity.
• Data Loss Prevention (DLP): Prevents sensitive data from leaving the secure network.
• Incident Response: Plans and manages response to a security breach or attack.
• Regular Updates: Patches and updates to secure against known vulnerabilities.
• Network Segmentation: Splits networks into separate parts to limit attack surfaces and improve performance.
• User and Entity Behavior Analytics (UEBA): Detects abnormal behavior or anomalies in networks.
• Privacy by Design: Integrates data protection from the onset of the system design.
• Security Awareness Training: Equips users with knowledge to recognize and avoid cyber threats.

The correct answer is Option 2.

Key PointsFirewall

• It is a network security device that monitors incoming and outgoing network traffic and permits or blocks data packets based on a set of security rules.
• The purpose of a Firewall is to establish a barrier between your internal network and incoming traffic from external sources in order to block malicious traffic like viruses and hackers. Hence, Option 2 is correct.

Additional Information

• Firewalls are commonly used to help prevent unauthorized access to both company and home networks.
• Software firewalls are designed to protect a computer by blocking certain programs from sending and receiving information from a local network or the Internet.
• Hardware firewalls are found on most network routers and can be configured through the router setup screen.

The correct answer is Imprisonment up to life.

Key Points

• A person can face life imprisonment if he/she denies authorized personnel access to the computer resource or attempts to penetrate/access a computer resource without authorization, with an aim to threaten the unity, integrity, security, or sovereignty of the nation.
• This is a non-bailable offense.
• The term "cyber-crimes" is not defined in any statute or rulebook.
• The word "cyber" is slang for anything relating to computers, information technology, the internet, and virtual reality.
• Therefore, it stands to reason that "cyber-crimes" are offenses relating to computers, information technology, the internet, and virtual reality.

The correct answer is Bitdefender

Antivirus software deals with the security of a computer system.

Key Points

• Antivirus software, or anti-virus software, is also known as anti-malware.
• It is a computer program used to prevent, detect, and remove malware.
• Various important Antivirus:
  • Bitdefender Antivirus Plus. Well, rounded everyday antivirus protection.
  • Norton AntiVirus Plus. Smooth protection for your system.
  • Avira Antivirus Pro.
  • F-Secure Antivirus SAFE.
  • Kaspersky Anti-Virus.
  • Trend Micro Antivirus+ Security. 
  • Webroot SecureAnywhere AntiVirus. 
  • ESET NOD32 Antivirus.

Additional Information 

• Worms
  • A worm virus is a malicious, self-replicating program that can spread throughout a network without human assistance.
• Sasser
  • Sasser is a computer worm that affects computers running vulnerable versions of the Microsoft operating systems Windows XP and Windows 2000. Sasser spreads by exploiting the system through a vulnerable port.

The correct answer is Encoding data into a secret code.

Key PointsData Encryption:

• Data encryption is the process of converting plain text into encoded, unreadable data (secret code) to protect it from unauthorized access.
• It is used to secure sensitive information, such as financial transactions, personal data, and confidential communications.
• Encryption algorithms use mathematical formulas to scramble the data, making it unreadable without the proper decryption key.
• The most common encryption methods include symmetric key encryption, asymmetric key encryption, and hashing algorithms.
• Symmetric key encryption uses a single key to both encrypt and decrypt the data, while asymmetric key encryption uses a pair of keys (public and private) for encryption and decryption.
• Hashing algorithms create a unique digital fingerprint of the data, which can be used to verify its integrity but cannot be reversed to reveal the original data.
• Encryption can be applied to various forms of data, including files, emails, messages, and network traffic.
• Secure Sockets Layer (SSL) and Transport Layer Security (TLS) are protocols that use encryption to secure communication over the internet.
• End-to-end encryption ensures that only the sender and recipient can access the encrypted data, even if it is transmitted through third-party servers.
• Data encryption helps organizations comply with data protection regulations and standards, such as the General Data Protection Regulation (GDPR) and the Health Insurance Portability and Accountability Act (HIPAA).
• Quantum encryption is a cutting-edge method that uses the principles of quantum mechanics to secure data against future quantum computing threats.
• Encryption keys should be carefully managed and protected to prevent unauthorized access to the encrypted data.
• Decryption requires the correct key or password, without which the encrypted data remains unreadable.
• Encryption can be used in combination with other security measures, such as access controls, firewalls, and intrusion detection systems, to create a layered defense against cyber threats.

The Correct Answer: Prolog is a general-purpose programming language associated with artificial intelligence and computational linguistics.

• All of the listed languages can be used to implement some form of AI, but each one is suitable for different aspects of AI.

Key Points

• Fortran: It's an old language typically used for numerical and scientific computing. It's not commonly used for modern AI applications but can still be used if necessary, especially for tasks that require heavy numerical computations.
• Basic: It's a beginner-friendly language. Though it's not typically used for AI applications due to the lack of advanced data structures and libraries, it can be used to implement simple AI systems.
• Prolog: It's a logic programming language often associated with AI, especially in the domain of expert systems, natural language processing, and knowledge representation. It supports pattern matching and automatic backtracking, which are powerful for these types of tasks.
• 'C': It's a low-level, general-purpose language. It can be used for AI development, but it might not be the most efficient choice. It lacks the high-level abstractions and libraries (such as TensorFlow or PyTorch) that Python provides, which are commonly used in AI.

Out of these options, Prolog is likely the most directly associated with AI.

Additional InformationHowever, it should be noted that in current AI development, Python is by far the most widely used language due to its simplicity, flexibility, and the broad ecosystem of AI and machine learning libraries available. Other languages like Java, R, and Julia are also often used.

The correct answer is websites

option 1) is correct answ

Antivirus software deals with the security of a computer system.

Key Points

• Antivirus software, or anti-virus software, is also known as anti-malware.
• It is a computer program used to prevent, detect, and remove malware.
• Various important Antivirus:
  • Bitdefender Antivirus Plus. Well, rounded everyday antivirus protection.
  • Norton AntiVirus Plus. Smooth protection for your system.
  • Avira Antivirus Pro.
  • F-Secure Antivirus SAFE.
  • Kaspersky Anti-Virus.
  • Trend Micro Antivirus+ Security. 
  • Webroot SecureAnywhere AntiVirus. 
  • ESET NOD32 Antivirus.

Additional Information 

Worms

A worm virus is a malicious, self-replicating program that can spread throughout a network without human assistance.

Sasser

Sasser is a computer worm that affects computers running vulnerable versions of the Microsoft operating systems Windows XP and Windows 2000. Sasser spreads by exploiting the system through a vulnerable port.