Chapter 5 - Internet and its uses

What is the main goal of a brute-force attack?

• A) To guess passwords by trying every possible combination
• B) To intercept data being transmitted
• C) To overload a system with requests
• D) To infect a system with malware

Which of the following is a characteristic of a Distributed Denial of Service (DDoS) attack?

• A) Involves only one attacker
• B) Involves multiple computers flooding a target with traffic
• C) Focuses on phishing attempts
• D) Spreads spyware across a network

Hacking is defined as:

• A) Unauthorized access to a computer system or network
• B) Sending fraudulent emails to gain personal information
• C) Redirecting users to a fake website
• D) Injecting malicious software into systems

Malware includes the following, EXCEPT:

• A) Virus
• B) Worm
• C) Spyware
• D) Pharming

Which malware disguises itself as legitimate software to deceive users?

• A) Virus
• B) Worm
• C) Trojan horse
• D) Ransomware

Phishing attacks are primarily designed to:

• A) Damage files on a system
• B) Deceive individuals into providing sensitive information
• C) Overload a system with traffic
• D) Spy on user activities through a hidden program

Social engineering refers to:

• A) The manipulation of individuals into divulging confidential information
• B) The development of secure networks
• C) The use of encryption algorithms
• D) The deployment of firewalls to block unauthorized access

Which of the following malware types is designed to encrypt files and demand payment for decryption?

• A) Adware
• B) Spyware
• C) Ransomware
• D) Worm

What is a digital currency?

• A) A physical form of money
• B) A currency that only exists electronically
• C) A currency backed by gold reserves
• D) A form of cashless transaction using checks

Blockchain can be best described as:

• A) A sequence of complex mathematical problems
• B) A centralized server to store transactions
• C) A digital ledger that records transactions in a time-stamped manner
• D) A system to print physical currencies