单项选择题 Your company security policy does not allow you to connect your servers directly to the internet. You would like to utilize some of theYour company？ security policy does not allow you to connect your servers directly to the internet. You would like to utilize some of the functionality in Solaris 10 to analyze your systems for available OS updates， and also download and install those updates from Sun Microsystems.  Which answer describes how to utilize this functionality to analyze your systems for available OS updates， and also download and install those updates without connecting your server directly to the internet？ （）

多项选择题 Youe just configured the network interface on You？e just configured the network interface on systemA and the following information is displayed pertaining to systemA’s network interface： You have been instructed to change the name of this system to systemB.  Which four files need to be modified to change the name of this system from systemA to systemB？ （）

单项选择题 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？（）