Which of the following SMIT panel screens are used to configure a system’s basic network parameters for the very first time only？（）

单项选择题Below is the routing table for host  earth ：  If host  earth  tries to ping 128.78.1.5， to which of the following interfaces is  the packet being sent？（）

A.en0
B.lo0
C.tr0
D.ping results in "Sendto：Network is unreachable" message

单项选择题InaTCP IPnetwork，whichofthefollowingcommandsutilizestheICMPprotocol？（）

A.rcp
B.tftp
C.ping
D.rpcinfo

单项选择题Anadapterstatedoesnotshowavailableafterareboot.Whichofthefollowingisthemostprobablecause？（）

A.DNS is not working properly
B.Ping is not working properly
C.The cables are disconnected
D.The device driver did not load properly

单项选择题Ahostistobepartofaverysmallprivatenetwork，whichwillneverbeconnectedtoanyothernetworks.Whichofthefollowingnameresolutionschemeswouldbetheeasiesttoimplement？（）

A.DNS
B.NIS
C.DHCP
D.etc/hosts file

单项选择题Theinternetaddress198.102.27.120representswhichofthefollowingaddresses？（）

A.Class A
B.Class B
C.Class C
D.Class D