A user cannot access the LAN after working successfully most of the day. Which of the following should the network administrator check FIRST?
A. VLAN settings
B. History logs
C. Patch cable
D. Port security
A user cannot access the LAN after working successfully most of the day. Which of the following should the network administrator check FIRST?
A. VLAN settings
B. History logs
C. Patch cable
D. Port security