相关考题
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单项选择题
What is the effect of using the service password-encryption command？（）
A.Onl ypasswords configured afte rthe command has been entered will be encrypted.
B.Only the enable password will be encrypted.
C.Only the enable secret password will be encrypted
D.It will encrypt the secret password and remove the enable secret password from the configuration.
E.It will encrypt all current and future passwords. -
多项选择题
Tracert功能是（）。
A.用于检查网管工作是否正常
B.用于检查网络连接是否可通
C.用于分析网络在哪里出现了问题 -
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.
