多项选择题

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.

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单项选择题

TheCompanyLANisbecomingsaturatedwithbroadcastsandmulticasttraffic.Whatcouldyoudotohelpanetworkwithmanymulticastsandbroadcasts？（）

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.

多项选择题

Whichofthefollowingstatementsistrueaboutthe80 20rule（Selectallthatapply）？（）

A.20 percent of the traffic on a network segment should be local.
B.no more than 20 percent of the network traffic should be able to move across a backbone.
C.no more than 80 percent of the network traffic should be able to move across a backbone.
D.80 percent of the traffic on a network segment should be local.