单选题What is the least secure mode of enabling an IMAP server for Cisco Unity Express?（）ASSL BVPN CMixed DSMTP EHTTPSFNon-SSL
单选题
What is the least secure mode of enabling an IMAP server for Cisco Unity Express?（）
A
SSL
B
VPN
C
Mixed
D
SMTP
E
HTTPS
F
Non-SSL
参考解析
解析：
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