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DA-100, DA-100, DATA ANALYST QUESTIONS AND RIGHT ANSWERS .
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DA-100, DA-100, DATA ANALYST QUESTIONS AND RIGHT ANSWERS .
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DA-100, DA-100, DATA ANALYST QUESTIONSAND RIGHT ANSWERS 2024 - 2025.
D.,Split,the,Date,column,into,two,columns,,one,that,contains,only,the,time,and,another,that,contains,onl
y,the,date.,,ANS,-
,,You,have,a,large,dataset,that,contains,more,than,1,million,rows.,The,table,has,a,datetime,column,name
d,Date.,You,need,to,reduce,the,size,of,the,data,model.,What,should,you,do?
·,A.,Round,the,hour,of,the,Date,column,to,startOfHour.
·,B.,Change,the,data,type,of,the,Date,column,to,Text.
·,C.,Trim,the,Date,column.
·,D.,Split,the,Date,column,into,two,columns,,one,that,contains,only,the,time,and,another,that,contains,on
ly,the,date.
·,B.,Remove,the,Subject,and,Body,columns,during,the,import.,,ANS,-
,,You,have,a,custom,connector,that,returns,ID,,From,,To,,Subject,,Body,,and,Has,Attachments,for,every,e
mail,sent,during,the,past,year.,More,than,10,million,records,are,returned.,You,build,a,report,analyzing,th
e,internal,networks,of,employees,based,on,whom,they,send,emails,to.,You,need,to,prevent,report,recipi
ents,from,reading,the,analyzed,emails.,The,solution,must,minimize,the,model,size.,What,should,you,do?
·,A.,Implement,row-
level,security,(RLS),so,that,the,report,recipients,can,only,see,results,based,on,the,emails,they,sent.
·,B.,Remove,the,Subject,and,Body,columns,during,the,import.
·,C.,From,Model,view,,set,the,Subject,and,Body,columns,to,Hidden.
A.,Group,the,impressions,by,Ad_id,,Site_name,,and,Impression_date.,Aggregate,by,using,the,CountRows,
function.
B.,Create,one-to-many,relationships,between,the,tables.,,ANS,-
,,The,Impressions,table,contains,approximately,30,million,records,per,month.,You,need,to,create,an,ad,a
nalytics,system,to,meet,the,following,requirements:
✑,Present,ad,impression,counts,for,the,day,,campaign,,and,Site_name.,The,analytics,for,the,last,year,are
,required.
✑,Minimize,the,data,model,size.
Which,two,actions,should,you,perform?,Each,correct,answer,presents,part,of,the,solution.
,A.,Group,the,impressions,by,Ad_id,,Site_name,,and,Impression_date.,Aggregate,by,using,the,CountRows,
function.
B.,Create,one-to-many,relationships,between,the,tables.
C.,Create,a,calculated,measure,that,aggregates,by,using,the,COUNTROWS,function.
D.,Create,a,calculated,table,that,contains,Ad_id,,Site_name,,and,Impression_date.
·,D.,web,content,,ANS,-
,,Your,company,has,training,videos,that,are,published,to,Microsoft,Stream.,You,need,to,surface,the,video
s,directly,in,a,Microsoft,Power,BI,dashboard.,Which,type,of,tile,should,you,add?
·,A.,video
·,B.,custom,streaming,data
·,C.,text,box
·,D.,web,content
·,D.,Column,quality,,ANS,-
,,You,open,a,query,in,Power,Query,Editor.,You,need,to,identify,the,percentage,of,empty,values,in,each,co
lumn,as,quickly,as,possible.,Which,Data,Preview,option,should,you,select?
·,A.,Show,whitespace
·,B.,Column,profile
·,C.,Column,distribution
·,D.,Column,quality
·,C.,Enable,Column,profiling,based,on,entire,dataset.
·,E.,Select,Column,profile.,,ANS,-
,,You,have,a,prospective,customer,list,that,contains,1,500,rows,of,data.,The,list,contains,the,following,fiel
ds:
✑,First,name
✑,Last,name
✑,Email,address
✑,State/Region
,✑,Phone,number
You,import,the,list,into,Power,Query,Editor.,You,need,to,ensure,that,the,list,contains,records,for,each,Sta
te/Region,to,which,you,want,to,target,a,marketing,campaign.,Which,two,actions,should,you,perform?,
·,A.,Open,the,Advanced,Editor.
·,B.,Select,Column,quality.
·,C.,Enable,Column,profiling,based,on,entire,dataset.
·,D.,Select,Column,distribution.
·,E.,Select,Column,profile.
1.,Remove,Column
2.,List.Select
3.,Text.EndsWith,,ANS,-,,HOTSPOT,-
You,have,an,API,that,returns,more,than,100,columns.,The,following,is,a,sample,of,column,names.
✑,client_notified_timestamp
✑,client_notified_source
✑,client_notified_sourceid
✑,client_notified_value
✑,client_responded_timestamp
✑,client_responded_source
✑,client_responded_sourceid
✑,client_responded_value
You,plan,to,include,only,a,subset,of,the,returned,columns.,You,need,to,remove,any,columns,that,have,a,s
uffix,of,sourceid.,How,should,you,complete,the,Power,Query,M,code?,To,answer,,select,the,appropriate,
options,in,the,answer,area.
1.,Convert,the,list,to,a,table
2.,Expand,the,columns
3.,Set,the,data,types,,ANS,-,,DRAG,DROP,-
,You,are,building,a,dataset,from,a,JSON,file,that,contains,an,array,of,documents.You,need,to,import,attri
butes,as,columns,from,all,the,documents,in,the,JSON,file.,The,solution,must,ensure,that,date,attributes,c
an,be,used,as,date,hierarchies,in,Microsoft,Power,BI,reports.,Which,three,actions,should,you,perform,in,
, sequence?,To,answer,,move,the,appropriate,actions,from,the,list,of,actions,to,the,answer,area,and,arran
ge,them,in,the,correct,order.,Select,and,Place:
·,A.,Merge,the,Customer,and,Address,tables.,,ANS,-
,,You,import,two,Microsoft,Excel,tables,named,Customer,and,Address,into,Power,Query.,Customer,conta
ins,the,following,columns:
✑,Customer,ID
✑,Customer,Name
✑,Phone
✑,Email,Address
✑,Address,ID
Address,contains,the,following,columns:
✑,Address,ID
✑,Address,Line,1
✑,Address,Line,2
✑,City✑,State/Region
✑,Country
✑,Postal,Code
The,Customer,ID,and,Address,ID,columns,represent,unique,rows.You,need,to,create,a,query,that,has,one
,row,per,customer.,Each,row,must,contain,City,,State/Region,,and,Country,for,each,customer.,What,shou
ld,you,do?
·,A.,Merge,the,Customer,and,Address,tables.
·,B.,Transpose,the,Customer,and,Address,tables.
·,C.,Group,the,Customer,and,Address,tables,by,the,Address,ID,column.
·,D.,Append,the,Customer,and,Address,tables.
·,B.,Create,a,parameter,and,update,the,queries,to,use,the,parameter.,,ANS,-
,,You,have,the,following,three,versions,of,an,Azure,SQL,database:
✑,Test
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