What makes Anti-Bot unique compared to other Threat Prevention mechanisms, such as URL Filtering, Anti-Virus, IPS, and T

[answerhappygod]

What makes Anti-Bot unique compared to other Threat Prevention mechanisms, such as URL Filtering, Anti-Virus, IPS, and Threat Emulation?

A. Anti-Bot is the only countermeasure against unknown malware
B. Anti-Bot is the only protection mechanism which starts a counter-attack against known Command & Control Centers
C. Anti-Bot is the only signature-based method of malware protection.
D. Anti-Bot is a post-infection malware protection to prevent a host from establishing a connection to a Command & Control Center.