单项选择题

WhatistheMOSTaccuratewaytodetermineaproject’sdurationbeforeexecution？（）

A.Theprojectmanagerperformsallestimates
B.Incorporateeachindividualworker’sestimates
C.Acquireexpertestimates
D.Thereisnowaytodeterminetheduration
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热门 试题

单项选择题
YouwishtokillaprocesswithaPIDof123.Selectthecommandwhichexiting.（）
A.kill-1123
B.kill-9123
C.kill-15123
D.kill-17123
单项选择题
WhichofthefollowingRAIDarraysshouldbeusedtoachieveafaulttolerantarraywithatleast1TBofstoragespace？（）
A.Five250GBdrivesinRAID0
B.Six250GBdrivesinRAID5
C.Three250GBdrivesinRAID10
D.Six250GBdrivesinRAID1
单项选择题
WhichofthefollowingisMOSTlikelytooccurifthetemperatureintheserverroomiscooledtoo quicklyafterapoweroutage？（）
A.Serverformscondensation
B.ServerwillnotPOST
C.Server’sserviceswillnotstart
D.Serverresponsetimesareslowduetotemperaturechange
单项选择题
Auserreportsthattheyareunabletoreachaparticularwebsite.Theuserhadnoissuesreaching thesiteearlierintheday.WhichofthefollowingistheMOSTlikelycauseofthelackofaccess？（）
A.TheVLANismisconfigured
B.TheuserhasanimproperlyconfiguredNIC
C.TheDHCPserverisdown
D.TheDNSserverisdown
单项选择题
Whichofthefollowingfilesshouldbeeditedtodisableremotemachinesfromperforminga'finger'onasystem？（）
A./etc/security/user
B./etc/services
C./etc/inetd.conf
D./etc/hosts.equiv
单项选择题
Userscomplaintheycannotcommunicatewithaserver.ThesystemadministratorsuspectstheremaybeaproblemwiththeEthernetadapterorwiththewayitisconfigured.Whichcommandcanberuntoverifytheadapterisconfiguredcorrectly？（）A.netstat-inB.ifconfig-aC.arp-aD.cfgmgr
A.ThesystemadministratorsuspectstheremaybeaproblemwiththeEthernetadapterorwiththewayitisconfigured.Whichcommandcanberuntoverifytheadapterisconfiguredcorrectly？（）
A.netstat-in
B.ifconfig-a
C.arp-a
D.cfgmgr
单项选择题
WhichofthefollowingfilesshouldbeusedtoaltertheorderofwhichDNSserversgetqueriedfirst？（）
A./etc/hosts
B./etc/inetd.conf
C./etc/netsvc.conf
D./etc/resolv.conf
单项选择题
ADNSserverforalargenetworkisexperiencingperformanceproblems.Whichofthefollowingoptionsisthebestsolutiontofixtheproblem？（）
A.EnableNIS
B.Purchasealargerserver
C.Use/etc/hostsonallofthesystems
D.Createsecondarynameserversthroughoutthenetwork
单项选择题
在________视图方式下，可以复制删除幻灯片，调整幻灯片的顺序，但不能对幻灯片的内容进行编辑修改。
A.幻灯片浏览
B.大纲
C.幻灯片放映
D.幻灯片
单项选择题
RoutersAandBhaveanOC12candaGElinkbetweenthemandarerunningOSPFoverbothoftheselinks.Whichitemiscorrect，assumingthedefaultJUNOSsoftwareOSPFmetriccalculation？（）
A.TherearetwoequalcostpathsbetweenAandB
B.TheGElinkisthepreferredpathbetweenAandB
C.TheOC12clinkisthepreferredpathbetweenAandB
D.Manualmetricassignmentmustbeconfiguredtodeterminetheoutcome.
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