单项选择题
To enable the SNMP daemon during system startup， which of the following files should be modified？（）
A./etc/rc.net B./etc/rc.nfs C./etc/rc.tcpip D./etc/inetd.conf
单项选择题 Whereisthesendmail.pidfilekept？（）
单项选择题 WhatisthelaststepinsettingupaPrimaryDomainNameServer？（）
单项选择题 Whenrunonamachinecalledclient，whichofthefollowingcommandswillmountthe/usr/local/bindirectoryfromthehostoverthe/home/bindirectoryonclient？（）
