It's high time you _____.
A. start to work
B. would start to work
C. started to work
D. had started to work
以下哪项不属于接入参数()A.PAM_SZB.NUM_STEPC.ACC_CHAND.START_TIME_UNIT
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PDM includes four types of dependencies or precedence relationships．（ ），the initiation of the successor activity,depends upon the initiation ofthe predecessor activity． A．Start－to－Start B．Finish－to－Finish C．Start－to－Finish D．Finish－to—Start
Examine the description of the STUDENTS table:Which two aggregate functions are valid on the START_DATE column?()A. SUM(start_date)B. AVG(start_date)C. COUNT(start_date)D. AVG(start_date, end_date)E. MIN(start_date)F. MAXIMUM(start_date)
Basedontheconfigurationshownintheexhibit，whataretheactionsofthesecuritypolicy？（）[editschedulers]user@hostshowschedulernow{mondayall-day；tuesdayexclude；wednesday{start-time07：00：00stop-time18：00：00；}thursday{start-time07：00：00stop-time18：00：00；}}[editsecuritypoliciesfrom-zonePrivateto-zoneExternal]user@hostshowpolicyallowTransit{match{source-addressPrivateHosts；destination-addressExtServers；applicationExtApps；}then{permit{tunnel{ipsec-vpnmyTunnel；}}}scheduler-namenow；A.ThepolicywillalwayspermittransitpacketsandusetheIPsecVPNmyTunnel.B.ThepolicywillpermittransitpacketsonlyonMonday，andusetheIPsecVPNMytunnel.C.ThepolicywillpermittransitpacketsandusetheIPsecVPNmyTunnelalldayMondayandWednesday 7amto6pm，andThursday7amto6pm.D.Thepolicywillalwayspermittransitpackets，butwillonlyusetheIPsecVPNmyTunnelalldayMonday andWednesday7amto6pm，andThursday7amto6pm.
启动hadoop所有进程的命令是A．start-dfs.shB．start-hadoop.shC．start-all.shD．start-hdfs.sh
假设已经配置好PATH环境变量，启动hadoop的命令是（）。A．start-fs.shB．start-hadoop.shC．start-dfs.shD．start-hdfs.sh
假设已经配置好PATH环境变量，启动hadoop的命令是A．start-dfs.shB．start-hadoop.shC．start-fs.shD．start-hdfs.sh
