Go back to 640-816 - ICND2 - Interconnecting Cisco Networking Devices Part 2

Question :-

A department decides to replace its hub with a Catalyst 2950 switch that is no longer needed by another department. To prepare the switch for installation, the network administrator has erased the startup configuration and reloaded the switch. However, PCs that are connected to the switch experience various connectivity problems. What is a possible cause of the problem?
The VLAN database was not erased.
The management VLAN is disabled.
The running configuration should have been erased.
The "mode" button was not pressed when the switch was reloaded.
The switch was not configured with an IP address or a default gateway.

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