A storage network engineer must configure a 48-port Cisco MDS switch to reject any login requests to VSAN 10 from unauthorized Fibre Channel devices and switches. All the devices that were already logged in to the switch from this VSAN must be allowed without any manual configuration. Which configuration must be applied?
A. switch(config)# feature port-security switch(config)# port-security activate vsan 10
B. switch(config)# feature port-security switch(config)# port-security activate vsan 10 no auto-learn
C. switch(config)# feature port-security switch(config)# port-security database vsan 10 switch(config-port-security)# any-wwn interface fc1/1 – fc1/48
D. switch(config)# port-security activate vsan 10
correct answer is A
port security need to activate first on switch