FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A DENIAL OF SERVICE DOS ATTACK

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a denial of service (DoS) attack?
A
when a shopkeeper refuses to serve someone
B
an attempt to access data held on a device without permission
C
when a server on a network is sent too many fake requests for it to deal with effectively
D
when a hacker gathers personal data using spyware
Explanation: 

Detailed explanation-1: -A Denial-of-Service (DoS) attack is an attack meant to shut down a machine or network, making it inaccessible to its intended users. DoS attacks accomplish this by flooding the target with traffic, or sending it information that triggers a crash.

Detailed explanation-2: -"Denial of service” or “DoS” describes the ultimate goal of a class of cyber attacks designed to render a service inaccessible. The DoS attacks that most people have heard about are those launched against high profile websites, since these are frequently reported by the media.

Detailed explanation-3: -In a distributed denial-of-service (DDoS) attack, multiple compromised computer systems attack a target and cause a denial of service for users of the targeted resource. The target can be a server, website or other network resource.

Detailed explanation-4: -A denial-of-service (DoS) attack overloads a server with traffic, thereby shutting it down. A distributed denial-of-service (DDoS) attack is a DoS attack in which numerous computers or machines flood a targeted resource.

Detailed explanation-5: -Explanation: A Denial of Service attack targets its victim by flooding the URL of the victim with unlimited requests. The intent of this attack is to overkill the targeted server’s bandwidth and other resources of the target website.

There is 1 question to complete.