Which of the following is not a potential issue with active wireless scanning?

The correct answer is that causing alarms on the organization's wireless IPS is not a potential issue with active wireless scanning. Active wireless scanning involves sending out probe requests to discover nearby wireless networks and devices. This technique helps in identifying available access points and assessing their security settings.

While active scanning is a proactive approach to gather information, it is typically designed to be used in scenarios where the scanning entity is authorized and recognized within the network, such as during a security assessment. Therefore, if the scans are conducted appropriately, they may not trigger alarms in a wireless Intrusion Prevention System (IPS), as such systems are often configured to detect unauthorized scans or malicious activity, rather than legitimate assessment efforts.

The other options represent legitimate concerns associated with active wireless scanning. Consuming too much energy can be a challenge, especially for devices with battery limitations, as active scans require the device to continuously transmit signals. Degrading network performance can occur because the extra traffic from scanning could lead to congestion, impacting the performance of devices communicating on the network. Revealing device identities is another concern, as active scans can potentially expose sensitive information or device details that could be exploited if the network is not adequately secured.