The switched LAN is displayed below：
In this network， STP has been implemented. Switch SW1 is the root switch for the default VLAN.To reduce the broadcast domain， the network administrator decides to split users on the networkinto VLAN 2 and VLAN 10. The administrator issues the command spanning-tree vlan 2 rootprimary on switch SW1. What will happen as a result of this change？（）
A.Switch SW1 will change its spanning tree priority to become root for VLAN 2 only
B.All ports of the root switch SW1 will remain in forwarding mode throughout the reconvergenceof the spanning tree domain
C.No other switch in the network will be able to become root as long as switch SW1 is up andrunning
D.Switch SW1 will remain root for the default VLAN and will become root for VLAN 2
E.None of the other alternatives apply
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The switched LAN is shown below：
Study the exhibit above carefully. Switch SW5 is configured as the root switch for VLAN 10 but notfor VLAN 20. If the STP configuration is correct， what will be true about Switch SW5？（）
A.All ports in VLAN 10 will be in forwarding mode and all ports in VLAN 20 will be in standbymode
B.All ports will be in forwarding mode
C.All ports in VLAN 10 will be in forwarding mode and all ports in VLAN 20 will be in blockingmode
D.All ports in VLAN 10 will be in forwarding mode
E.None of the other alternatives apply
A.IEEE 802.10
B.Misconfigured NIC
C.User configuration
D.IEEE 802.1Q
E.None of the other alternatives apply
A VTP domain has six active VLANs. Without notice， all VLANs except VLAN1 fail. Just prior tothe failure， Switch2 was added to the network.
Which three issues on Switch2 could be the cause？（）
A.Switch2 is configured for only VLAN1
B.Switch2 is a VTP server in a different domain
C.Switch2 is a VTP server in the Company domain
D.Switch2 is not a VTP domain.
E.Switch2 has a lower VTP configuration revision number than the current VTP revision
F.Switch2 has a higher VTP configuration revision number than the current VTP revision
A.Physical management of the switch
B.Logical management of the switch
C.In-band management of the switch
D.Out-of-band management of the switch
A.Reload the active VLAN configuration
B.Clear the affected port and bring it up again
C.Explicitly set the trunk for the VLAN to be on
D.Remove all the VLANs set
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As a network engineer， do you know for what purpose SDM uses Security Device Event Exchange（SDEE）？（）
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