单选题An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot.  Which of the following is the FIRST thing the administrator should check?()A  Default gatewayB  The ports 

题目
单选题
An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot.  Which of the following is the FIRST thing the administrator should check?()
A

 Default gateway

B

 The ports on the switch

C

 Port security on the servers switch port

D

 Ethernet cable

参考答案和解析
正确答案: A
解析: 暂无解析
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