Which command is used to flush a single user from authentication memory? 01/29/2021 – by Mod_GuideK 0 Which command is used to flush a single user from authentication memory? A. isedata B. authcache C. diagnostic D. clear SHOW ANSWERSCorrect Answer: B Explanation/Reference: Reference: https://www.cisco.com/c/en/us/support/docs/security/web-security-appliance/118259-technote-wsa-00.html