A.to control vty access into a router
B.to control broadcast traffic through a router
C.to filter traffic as it passes through a router
D.to filter traffic that originates from the router
E.to replace passwords as a line of defense against security incursions

A.copy running-config startup-config
B.copy startup-config: running-config
C.copy running config startup config
D.copy startup config running config
E.write terminal