Smurf attacks happen on which OSI layer?
CBK 4: Communication and Network Security
Source: ThorTeaches.com practice tests
C: The Smurf attack is a distributed denial-of-service attack in which large numbers of Internet Control Message Protocol (ICMP) packets with the intended victim’s spoofed source IP are broadcast to a computer network using an IP broadcast address. ICMP is a layer 3 protocol.