Which of the following cannot be prevented through firewall, antivirus, antispyware, antigrayware, encryption, and domain authentication techniques?

A technician is troubleshooting a network issue and needs to view network traffic on a switch in real-time. Which of the following would allow the technician to view network traffic on a switch?

A. ISAKMP B. Port forwarding C. Port security D. Port mirroring

Declaring a method final means:

a. it will prepare the object for garbage collection. b. it cannot be accessed from outside its class. c. it cannot be overloaded. d. it cannot be overridden.