Albrecht has noticed a number of clients on the network attempting to contact the same external IP address at a constant rate of once every five minutes over the past 72 hours. Which of the following might be the cause of his concern? a. The computers are performing a port scan against a victim computer. b. The computers may be infected with malware that has made them part of a botnet. c. The computers are currently taking part in a DDoS attack against the destination IP address. d. The computers may have formed a distributed computing configuration that allows them to work as a single command and control system.

Albrecht has noticed a number of clients on the network attempting to contact the same external IP address at a constant rate of once every five minutes over the past 72 hours. Which of the following might be the cause of his concern? a. The computers are performing a port scan against a victim computer. b. The computers may be infected with malware that has made them part of a botnet. c. The computers are currently taking part in a DDoS attack against the destination IP address. d. The computers may have formed a distributed computing configuration that allows them to work as a single command and control system.