Which of the following is a potential vulnerability associated with wireless networks?

Packet sniffing is indeed a potential vulnerability associated with wireless networks because wireless transmissions are more susceptible to interception compared to wired connections. Packet sniffing involves capturing data packets as they are transmitted over the network, allowing an attacker to analyze the content of those packets. This can include sensitive information such as passwords, personal data, and other confidential communications if they are not properly encrypted.

In the context of wireless networks, the nature of radio frequency communications means that data can be easily intercepted by anyone within range of the signal. Without adequate security measures, such as encryption protocols like WPA2 or WPA3, malicious actors can exploit this vulnerability and gain unauthorized access to sensitive information.

Other vulnerabilities, while important, do not specifically target the unique aspects and risks associated with wireless networks in the same way that packet sniffing does. For instance, firewall breaches and virus attacks relate more broadly to network security and system integrity issues rather than solely to the wireless transmission vulnerabilities. Password cracking can occur in any network context, not specifically tied to wireless communications.