单选题You have just configured the network interface on systemA . The following information is From systemB， you test the network connectivity by sending ICMP ECHO_REQUEST packets to systemA. The following message is displayed： no answer from systemA What
题目
单选题
You have just configured the network interface on systemA . The following information is From systemB， you test the network connectivity by sending ICMP ECHO_REQUEST packets to systemA. The following message is displayed： no answer from systemA What is most likely the problem？（）
A
The interface is not plumbed.
B
The interface is not configured.
C
The interface does not have valid routes configured.
D
The interface is not marked as