正确答案: D

段

题目：OSI七层模型中，传输层的数据封装名称为（）

解析：D

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学习资料的答案和解析：

[单选题]VLAN主干协议VTP的默认工作模式是()

服务器模式

[多选题]You need to configure an 802.1Q link on a Ezonexam switch. Which commands, when used together, would do this? (Select two answer choices)

Switch(config-if) switchport mode trunk

Switch(config-if) switchport trunk encapsulation dot1q

解析：C,D 解析：Explanation:

[多选题]You are bringing up a new Ezonexam switch, and wish to connect it via a trunk to another switch from a different vendor, which uses the IEEE standard for the trunking method. When setting the encapsulation type on the trunk, what should you configure on the Cisco switch?

Switch(config) switchport trunk encapsulation isl

Switch(config) switchport trunk encapsulation ietf

Switch(config-if) switchport trunk encapsulation isl

Switch(config-if) switchport trunk encapsulation ietf

Switch(config-if) switchport trunk encapsulation dot1q

解析：解析：Explanation:

[单选题]What kind of cable should be used to establish a trunked line between two Catalyst switches?

A cross-over cable

解析：解析：Explanation: A crossover cable is used to connect two of the same device types, or devices from the same OSI layer.