Adam works as a Penetration Tester for Umbrella Inc. A project has been assigned to him check the security of wireless network of the company. He re-injects a captured wireless packet back onto the network. He does this hundreds of times within a second. The packet is correctly encrypted and Adam assumes it is an ARP request packet. The wireless host responds with a stream of responses, all individually encrypted with different IVs.

Which of the following types of attack is Adam performing?