相关考题
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单项选择题
What is the function of the command switchport trunk native vlan 999 on a Cisco Catalyst switch()。
A.It creates a VLAN 999 interface.
B.It designates VLAN 999 for untagged traffic.
C.It blocks VLAN 999 traffic from passing on the trunk.
D.It designates VLAN 999 as the default for all unknown tagged traffic. -
多项选择题
下面哪些选项是物理层的基本功能?()
A.在终端设备之间传送比特流
B.建立、维护虚电路,进行差错校验和流量控制
C.定义电压、接口、线缆标准、传输距离等特性 -
单项选择题
IP地址190.233.27.13/16所在的网段地址是()。
A.190.0.0.0
B.190.233.0.0
C.190.233.27.0
D.190.233.27.1