WEB BROWSERS TECHNOLOGY
THE INTERNET
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
DDoS (Distributed Denial-of-Service)
|
|
Cache Poisoning
|
|
DNS Hijacking
|
|
None of the above
|
Detailed explanation-1: -A distributed denial-of-service (DDoS) attack occurs when multiple systems flood the bandwidth or resources of a targeted system, usually one or more web servers. A DDoS attack uses more than one unique IP address or machines, often from thousands of hosts infected with malware.
Detailed explanation-2: -Distributed denial of service (DDoS) attacks are a subclass of denial of service (DoS) attacks. A DDoS attack involves multiple connected online devices, collectively known as a botnet, which are used to overwhelm a target website with fake traffic.
Detailed explanation-3: -There are two general methods of DoS attacks: flooding services or crashing services. Flood attacks occur when the system receives too much traffic for the server to buffer, causing them to slow down and eventually stop. Popular flood attacks include: Buffer overflow attacks – the most common DoS attack.