多項選擇題The VLANs in switch R1 are being modified. Which of the following are updated in R1 every time a VLAN is modified？（）

A.Configuration revision number
B.Configuration revision flag field
C.Configuration revision reset switch
D.Configuration revision database
E.None of the other alternatives apply


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2.多項選擇題In the three-layer hierarchical network design model；what’s associated with the access layer？（）

A.optimized transport structure
B.high port density
C.boundary definition
D.data encryption
E.local VLANs
F.route summaries

3.多項選擇題The Company LAN switches are being configured to support the use of Dynamic VLANs. What  should be considered when implementing a dynamic VLAN solution？（）

A.Each switch port is assigned to a specific VLAN.
B.Dynamic VLANs require a VLAN Membership Policy Server.
C.Devices are in the same VLAN regardless of which port they attach to.
D.Dynamic VLAN assignments are made through the command line interface.

4.多項選擇題The Company LAN switches are being configured to support the use of Dynamic VLANs. Which of  the following are true of dynamic VLAN membership？（）

A.VLAN membership of a user always remains the same even when he/she is moved to another  location.
B.VLAN membership of a user always changes when he/she is moved to another location.
C.Membership can be static or dynamic.
D.Membership can be static only.
E.None of the other alternatives apply.

5.單項選擇題The Company LAN is becoming saturated with broadcasts and multicast traffic. What could you do  to help a network with many multicasts and broadcasts？（）

A.Creating smaller broadcast domains by implementing VLANs.
B.Separate nodes into different hubs.
C.Creating larger broadcast domains by implementing VLANs.
D.Separate nodes into different switches.
E.All of the above.

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