A.Switch forwarding mechanism

B.Limit on the number of MAC table entries

C.MAC learning mechanism of switch

D.ARP learning mechanism

A.SSL VPN technology expands the network scope of enterprises

B.The encryption of SSL VPN technology only takes effect on the application layer

C.SSL VPN technology can be perfectly suitable for NAT traversal scenarios

D.SSL VPN requires a dial-up client

A.DDoS attack

B.Employee information security violations

C.worm

D.Trojan horse

A.Users can log in to the AD domain and are authenticated by the AD server.

B.Users need to pass dual authentication through other authentication systems and firewalls

C.After the user passes the authentication, the firewall can learn the corresponding relationship between the user and the IP, so as to conduct policy management based on the user.

D.Users can access the NAS device, and the NAS device forwards the authentication request to the RADIUS server for authentication.

A.True

B.False