Which of the following enhances the effectiveness of airport security measures?

Collaboration with law enforcement agencies is crucial for enhancing the effectiveness of airport security measures. This collaboration allows for the sharing of intelligence, resources, and expertise, contributing to a more robust security framework. When airport security works alongside law enforcement, they can improve response times to incidents and threats, implement more comprehensive security strategies, and effectively coordinate efforts during emergencies. Additionally, this partnership ensures that the latest security protocols and practices are being utilized, as law enforcement agencies often have access to a wider range of operational intelligence that can inform security measures at the airport.

The other options do not support the enhancement of security operations. Isolating security operations from other departments can lead to a lack of communication and integrated planning, which are important for comprehensive security. Reducing financial investment in technology can hinder the implementation of advanced security tools and systems that are vital for detecting and preventing threats. Lastly, limiting communication with the public can create mistrust and may lead to an overall decrease in awareness and vigilance among passengers, which are important for maintaining a secure environment.