單項(xiàng)選擇題If you needed to transport traffic coming from multiple VLANs （connected between switches）， and  your CTO was insistent on using an open standard，which protocol would you use？（）

A.802.11B
B.spanning-tree
C.802.1Q
D.ISL
E.VTP
F.Q.921


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1.多項(xiàng)選擇題

Refer to the exhibit. On the basis of the information provided in the exhibit, which two sets of  procedures are best practices for Layer 2 and 3 failover alignment?（）

A. Configure the D-SW1 switch as the active HSRP router and the STP root for all VLANs. Configure the D-SW2 switch as the standby HSRP router and backup STP root for all VLANs. 
B. Configure the D-SW1 switch as the standby HSRP router and the STP root for VLANs 11 and 110. Configure the D-SW2 switch as the standby HSRP router and the STP root for VLANs 12 and 120.
C. Configure the D-SW1 switch as the active HSRP router and the STP root for VLANs 11 and 110. Configure the D-SW2 switch as the active HSRP router and the STP root for VLANs 12 and 120.
D. Configure the D-SW2 switch as the active HSRP router and the STP root for all VLANs.  Configure the D-SW1 switch as the standby HSRP router and backup STP root for all VLANs. 
E. Configure the D-SW1 switch as the active HSRP router and the backup STP root for VLANs 11  and 110. Configure the D-SW2 switch as the active HSRP router and the backup STP root for  VLANs 12 and 120.
F. Configure the D-SW1 switch as the standby HSRP router and the backup STP root for VLANs 12a nd 120. Configure the D-SW2 switch as the standby HSRP router and the backup STP root  for VLANs 11 and 110.

2.多項(xiàng)選擇題You need to design the VLAN scheme for the Company network. Which two statements are true  about best practices in VLAN design？（）

A.Routing should occur at the access layer ifvoice VLANs are utilized. Otherwise， routing should occur at the distribution layer.
B.Routing should always be performed at the distribution layer.
C.VLANs should be localized to a switch.
D.VLANs should be localized to a single switch unlessvoice VLANs are being utilized.
E.Routing should not be performed between VLANs located on separate switches.

3.單項(xiàng)選擇題Company uses layer 3 switches in the Core of their network. Which method of Layer 3 switching  uses a forwarding information base （FIB）？（）

A.Topology-based switching
B.Demand-based switching
C.Route caching
D.Flow-based switching
E.None of the other alternatives apply

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