【多选题】There are many reasons why customers lack sufficient security measures on the network. Which two reasons for insufficient security are typical of the customers today?()
A.
the desire to avoid unnecessary technologies
B.
the belief that free security tools are sufficient
C.
the perceived costs of security solutions
D.
the use of hosted email services eliminating the need for local security
【单选题】The network administrator has configured port security on a Ezonexam switch. Why would a network administrator configure port security on this Ezonexam device?
A.
To prevent unauthorized hosts from getting access to the LAN
B.
To limit the number of Layer 2 broadcasts on a particular switch port
C.
To prevent unauthorized Telnet or SSH access to a switch port
D.
To prevent the IP and MAC address of the switch and associated ports