Which certificate format does a Cisco WSA need when HTTPS proxy is configured? 01/29/2021 – by Mod_GuideK 0 Which certificate format does a Cisco WSA need when HTTPS proxy is configured? A. DER B. CER C. PEM D. CRL SHOW ANSWERSCorrect Answer: C Explanation/Reference: Reference: https://community.cisco.com/t5/security-documents/wsa-training-series-how-to-configure-the-https-proxy-on-the/ta-p/3148673