A server with the IP address of 10.10.2.4 has been having intermittent connection issues.
The logs show repeated connection attempts from the following IPs:
10.10.3.16
10.10.3.23
212.178.24.26
217.24.94.83
These attempts are overloading the server to the point that it cannot respond to traffic.
Which of the following attacks is occurring?

A.
XSS

B.
DDoS

C.
DoS

D.
Xmas