Refer to the exhibit. What is occurring in this network?

The exhibit shows the `arpspoof` utility being run with specific IP addresses as targets, which is a common tool used to perform ARP cache poisoning. This attack involves sending forged ARP (Address Resolution Protocol) messages onto a local area network to associate the attacker's MAC address with the IP address of another host (like the default gateway or another client), thereby redirecting network traffic through the attacker.

DNS cache poisoning involves injecting malicious data into a DNS resolver's cache, causing it to return incorrect IP addresses for domain names, which is distinct from manipulating ARP entries as shown.

A MAC address table overflow attack targets a switch's CAM table by flooding it with many fake MAC addresses, causing the switch to enter fail-open mode and broadcast frames, which is not what `arpspoof` directly does.

A MAC flooding attack is synonymous with a MAC address table overflow attack, aiming to overwhelm a switch's MAC address table, and is not directly performed by `arpspoof`.