Which two statements are true regarding Cisco leadership in security technologies?
(Choose two.)
A.
Cisco is the market leader in enterprise security revenue.
B.
Gartner evaluated Cisco as the leader in IP surveillance, SSL VPN, and email security.
C.
Gartner evaluated Cisco as the leader in SSL VPN, secure web gateway, network
access control, and email security.
D.
Cisco has a background of more than 25 years of proven firewall development.