封装类型 meaning in Chinese

enca ulated type
encapsulated type
packaging type

Answer the interface requires that the encapsulation frame - relay command be configured first
必须要先配置封装类型才可以继续配置本地管理接口。
Which of following vlan frame encapsulation types are configurable on a cisco switch ? ( select two answer choices
在思科交换机上可以配置哪2种vlan帧封装类型？
To ensure that the correct encapsulation protocol is used , the layer 2 encapsulation type used for each router serial interface must be configured
必须确定正确的封装协定被使用，每个路由器序列介面的第二层封装类型一定要被设定组态。