单项选择题
Users complain they cannot communicate with a server. The system administrator suspects there may be a problem with the Ethernet adapter or with the way it is configured. Which command can be run to verify the adapter is configured correctly？（）
A.netstat -in B.ifconfig -a C.arp -a D.cfgmgr
单项选择题 WhatisthecorrectfastpathtoconfigureoraddaTTYTerminal（directlyfromthescreen），whichconnectstoaserialport？（）
单项选择题 ForSLIPtowork，whatshouldthe"EnableLogin"valuebesettoonbothsystems？（）
单项选择题 Todisablealltcpipdeamonsthatarenotrequiredonaserver，whichofthefollowingfilesshouldbeedited？（）
