FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A DENIAL OF SERVICE DOS ATTACK

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Large amount of spam mail is one of the sign of Dos attack
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Popular flood attacks include: Buffer overflow attacks – the most common DoS attack. The concept is to send more traffic to a network address than the programmers have built the system to handle.

Detailed explanation-2: -Malicious DoS For example, Black Friday sales, when thousands of users are clamouring for a bargain, often cause a denial of service. But they can also be malicious. In this case, an attacker purposefully tries to exhaust the site’s resources, denying legitimate users access.

Detailed explanation-3: -A Denial of service attack (DOS) or Distributed Denial of service attack (DDOS) is an attack in which unauthorized users exhaust the computer system resources thereby preventing access by authorized users.

Detailed explanation-4: -Which of the following is true of a DDoS attack? Attack traffic comes from lots of different hosts; The “Distributed” in DDoS means that the attack traffic is distributed across a large number of hosts, resulting in the attack coming from many different machines.

There is 1 question to complete.