Which expression can the administrator use to meet this requirement?
A Citrix Administrator needs to confirm that all client certificates presented to the authentication vServer are valid until the year 2023. Which expression can the administrator use to meet this requirement? A. CLIENT.SSL.CLIENT_CERT.VALID_NOT_AFTER.EQ(GMT2023) B. CLIENT.SSL.CLIENT_CERT.VALID_NOT_BEFORE.EQ(GMT2023) C. CLIENT.SSL.ORIGIN_SERVER_CERT.VALID_NOT_AFTER.EQ(GMT2023) D. CLIENT.SSL.CLIENT_CERT.DAYS_TO_EXPIRE.EQ(2023)