45. Denial of Service

What is a Denial of Service (DoS) attack?

• An attack that encrypts files for ransom

• An attack that installs malware on a device

• An attack that forces a service to fail

• An attack that steals data from a server

How can an organization unintentionally cause a DoS attack?

• By creating network loops

• By installing antivirus software

• By using strong passwords

• By updating their software

What is a Distributed Denial of Service (DDoS) attack?

• An attack that targets only one server

• An attack using multiple devices to overload a service

• An attack using a single device to overload a service

• An attack that encrypts data on multiple devices

What is a botnet?

• A network of servers

• A network of infected devices controlled by an attacker

• A software update

• A type of firewall

How do attackers use amplification in DDoS attacks?

• By sending large requests to servers

• By installing malware on the server

• By sending small requests that generate large responses

• By encrypting data on the server