(ISC)2 Certified in Cybersecurity Practice Exam

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Wi-Fi Protected Access (WPA) changes keys with the ______________ Key Integrity Protocol (TKIP).

Traditional
Temporary
Temporal
Tailored

The correct answer is: Temporal

The correct choice is "Temporal" because the complete term is Temporal Key Integrity Protocol (TKIP). TKIP was designed to enhance security for Wi-Fi networks. It is used in conjunction with the Wi-Fi Protected Access (WPA) standard to provide encryption and key management improvements over the earlier Wired Equivalent Privacy (WEP) protocol. The term "temporal" indicates that the keys are generated for a limited time, meaning they change frequently, which enhances the security of the communication. This dynamic keying mechanism helps to ensure that if a key is compromised, the amount of data exposed is limited, as subsequent sessions would utilize different keys. In contrast, the other terms do not accurately describe the function of TKIP within the context of WPA. "Traditional" and "tailored" do not have any relevant meaning in this context, while "temporary" does not fully capture the essence of key management as effectively as "temporal" does. Therefore, recognizing TKIP as the Temporal Key Integrity Protocol helps underscore its focus on generating dynamically changing keys for improved wireless security.