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


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1.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.

2.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.

3.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.

4.多項選擇題Which of the following statements is true about the 80/20 rule (Select all that apply)?()

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.

5.多項選擇題What are some virtues of implementing end-to-end VLANs?()

A.End-to-end VLANs are easy to manage.
B.Users are grouped into VLANs independent of a physical location.
C.Each VLAN has a common set of security and resource requirements for all members.
D.Resources are restricted to a single location.

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