An attacker is trying to redirect the traffic of a small office. That office is using their own mail server, DNS server and NTP server because of the importance of their job. The attacker gain when th

MAC Flooding overwhelms a switch's CAM table so it broadcasts frames to all ports, enabling traffic sniffing - it does not manipulate domain name resolution or redirect connections to an attacker's host.

A Smurf Attack is an amplification-based DDoS technique that uses ICMP echo requests with a spoofed source IP to flood a victim, and has no mechanism for redirecting domain-based traffic.

DNS spoofing (cache poisoning) works by injecting falsified DNS records so that a resolver returns the attacker's IP address for a legitimate domain. When an employee queries google.com, the poisoned DNS server responds with the attacker's IP instead of Google's real address, silently redirecting the browser connection to the attacker's machine without the user's knowledge.

ARP Poisoning maps the attacker's MAC address to a legitimate IP at Layer 2 to intercept local LAN traffic, but the described scenario involves redirecting traffic based on a domain name lookup, which is a DNS-layer attack.