单项选择题
A. etc/services
B./etc/inetd.conf
C. /etc/tftpd.conf
D. /etc/rc.net
单项选择题 AusercannotpinganyotherhostnamesfromanAIXmachine.Theerrorreceivedis"hostnameearthNOTFOUND".Whichofthefollowingfilesismostlikelyconfiguredincorrectly？（）
单项选择题 Whatisthedefaultamountoftimethatanautomounteddirectorystaysmounted？（）
单项选择题 AnAIXserverisconfiguredwithastaticIPaddressbutthesystemadministratorwantstheservertogiveoutIPaddressesforclientswhowanttousethedynamichostconfigurationprotocolinsteadofstaticIPaddresses.Howisthisaccomplished？（）