Network Security Attacks Quiz

What is a Denial of Service (DoS) attack?

• A method of encrypting data

• A cyber-attack seeking to make a network resource unavailable to its intended users by disrupting services of a host connected to the Internet.

• An attempt to improve network performance

• A type of physical security breach

How can a Distributed Denial of Service (DDoS) attack be prevented?

• Ignoring security updates

• Installing more vulnerable software

• Using firewalls, intrusion detection systems, load balancers, and content delivery networks

• Allowing unrestricted access to the network

What is malware and how does it differ from ransomware?

• Malware is only used by ethical hackers, while ransomware is used by cybercriminals

• Malware is a type of hardware used to store data, while ransomware is a type of software used to encrypt data

• Malware is a broad term that refers to any software designed to cause damage to a computer, server, or network. Ransomware is a specific type of malware that encrypts a victim's files and demands payment in exchange for the decryption key.

• Malware and ransomware are the same thing, just different names for the same concept

How can you protect your computer from malware and ransomware?

• Never update operating system or software

• Use simple and easily guessable passwords

• Regularly update operating system and software, use strong passwords, install antivirus software, be cautious of email attachments and links, and regularly back up data.

• Click on all email attachments and links without caution

What is a man-in-the-middle attack and how can it be prevented?

• Installing more vulnerable software

• Sharing passwords with strangers

• Leaving devices unlocked in public places

• Using encryption, digital signatures, and secure communication protocols