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【多选题】

When a switch port is used as a VLAN trunk, which of the following trunk modes are valid?（）

A、Blocking

B、Auto

C、Desirable

D、On

E、Transparent

F、Learning

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更多“When a switch port is used as a VLAN trunk, which of the following trunk modes are valid?（）”相关的问题
第1题
[] When is a switched network that is running the Spanning Tree Protocol considered to be fully converged?（）

A、A. when all switches have the same BID as the root switch  B、B. when all switches have received the MAC address of each neighboring switch  C、C. when every enabled switch port has been assigned a unique identifier  D、D. when every operating switch port is in either the blocking or forwarding state  E、E. when all switches are in either client, server, or transparent mode  

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第2题
[单选题] A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?（）

A、The switch port link lights will be off on both switches indicating the ports are not connected.  B、The switch port link light will be off on one switch indicating that STP has disabled the port.  C、The switch port link lights will flash amber indicating an error.  D、The switch port link lights will be green indicating normal operation.  

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第3题
[单选题] 在一个RSTP选举过程的结束，哪个交换机端口将承担丢弃的角色？（）

A、Switch3，port fa0/1  B、Switch3，port fa0/12  C、Switch4，port fa0/11  D、Switch4，port fa0/2  E、Switch3，port Gi0/1  F、Switch3，port Gi0/2  

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第4题
[多选题] Which two of the following statements describe a routed switch port on a multilayer switch？（）

A、Layer 2 switching and Layer 3 routing are mutually supported.  B、The port will not be associated with any VLAN.  C、The routed switch port supports VLAN subinterfaces.  D、The routed switch port is used when a switch has only one port per VLAN or subnet.  E、The routed switch port ensures that STP remains in the forwarding state.  

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第5题
[] Refer to the exhibit. At the end of an RSTP election process, which access layer switch port will assume the discarding role?（） Refer to the exhibit. At the end of an RSTP election process, which access layer switch port will assume the discarding role?（）

A、A.Switch3, port fa0/1  B、B.Switch3, port fa0/12  C、C.Switch4, port fa0/11  D、D.Switch4, port fa0/2  E、E.Switch3, port Gi0/1  F、F.Switch3, port Gi0/2  

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第6题
[] Refer to the diagram. Which three statements describe the router port configuration and the switch port configuration as shown in the topology? （） Refer to the diagram. Which three statements describe the router port configuration and the switch port configuration as shown in the topology? （）

A、A.The Router1 WAN port is configured as a trunking port.  B、B.The Router1 port connected to Switch1 is configured using subinterfaces.  C、C.The Router1 port connected to Switch1 is configured as 10 Mbps.  D、D.The Switch1 port connected to Router1 is configured as a trunking port.  E、E.The Switch1 port connected to Host B is configured as an access port.  F、F.The Switch1 port connected to Hub1 is configured as full duplex.  

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第7题
[单选题] What are the switch and bridge port characteristics of a layer two spanning-tree network that is fully converged?（）

A、All switch and bridge ports are in the forwarding state.  B、All switch and bridge ports are in the stand-by state.  C、All switch and bridge ports are assigned as either root or designated ports.  D、All switch and bridge ports are in either the forwarding or blocking state.  E、All switch and bridge are either blocking or looping.  

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第8题
[单选题] Why would a network administrator configure port security on a switch（）。

A、to prevent unauthorized Telnet access to a switch port  B、to limit the number of Layer 2 broadcasts on a particular switch port  C、to prevent unauthorized hosts from accessing the LAN  D、to protect the IP and MAC address of the switch and associated ports  E、to block unauthorized access to the switch management interfaces over common TCP ports  

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第9题
[单选题] Why would a network administrator configure port security on a switch?（）

A、To prevent unauthorized Telnet access to a switch port.  B、To limit the number of Layer 2 broadcasts on a particular switch port.  C、To prevent unauthorized hosts from accessing the LAN.  D、To protect the IP and MAC address of the switch and associated ports.  E、To block unauthorized access to the switch management interfaces over common TCP ports.  

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第10题
[单选题] Which statement describes a spanning-tree network that has converged?（）

A、All switch and bridge ports are in the forwarding state.  B、All switch and bridge ports are assigned as either root or designated ports.  C、All switch and bridge ports are in either the forwarding or blocking state.  D、All switch and bridge ports are either blocking or looping.  

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