A.rmdev -l /dev/pts
B.touch /etc/nologin
C.chdev -l sys0 -a nologin
D.chuser -a login=false ALL
第1题:
A.Administrators,ServerOperators和PowerUsers
B.Users和ServerOperators
C.Users和PowerUsers
D.Users和Administrator
第2题:
第3题:
将一批英文单词存入一个字符串数组中,例如: {"we","who","word","these","do","what","new","the","hello"} 求所有单词的平均长度,输出结果精确到小数点后2位。
第4题:
Youupdatedtheresourceplandirectivefortheresourceconsumergroup,DSS_USERS.TheresourceplandirectiveisassignedtotheDSS_PLANbyusingthefollowingstatement:
SQL>EXECDBMS_RESOURCE_MANAGER.UPDATE_PLAN_DIRECTIVE(PLAN=>’DSS_PLAN’,
GROUP_OR_SUBPLAN=>’DSS_USERS’,
NEW_CPU_P1=>80,
NEW_SWITCH_GROUP=>’CANCEL_SQL’,
NEW_SWITCH_ESTIMATE=>TRUE,
NEW_SWITCH_TIME=>600);
Auserconnectstothedatabaseandstartsanoperation.WhatistheoutcomeifOracleestimatesthattheexecutiontimeforthisoperationwillexceed600seconds?()
第5题:
第6题:
5、要在命令行下使用adb shell命令,应将()目录添加到系统Path环境变量中?
A.C:\Users\Administrator\AppData\Local\Android\Sdk\bin
B.C:\Users\Administrator\AppData\Local\Android\Sdk\platforms
C.\Users\Administrator\AppData\Local\Android\Sdk\build-tools
D.C:\Users\Administrator\AppData\Local\Android\Sdk\platform-tools