DATA MANAGEMENT FOUNDATIONS WGU C175 D426 OA EXAM 2 ACTUAL EXAM LATEST WITH 2 LATEST UPDATED VERSIONS COMPLETE 300 REAL QUESTIONS AND WELL ELABORATED ANSWERS (100 CORRECT VERIFIED ANSWERS)

P a g e g |g1

WGU C175/D426 DATA MANAGEMENT FOUNDATIO
g g g g


NS OA ACTUAL UPDATED EXAM WITH EXPERTLY
g g g g g g g


AND CORRECTLY ANSWERED QUESTIONS| WGU C
g g g g g


175/D426 DATA MANAGEMENT FOUNDATIONS OA
g g g g g


ACTUAL UPDATED EXAM | ACE YOUR GRADES!!!
g g g g g g




1. ExtractiongingETLg-gCorrectgAnswer-
Datagextractedgandgputgintogstaginggarea.




2. CleansegingETLg-gCorrectgAnswer-
Errorsgaregeliminatedgfromgdata;gstandardgabbreviationsgapplied.




3. IntegrategingETLg-gCorrectgAnswer-
Datagisgputgintogaguniformgstructure;gDatagconvertedgtoguniformgstructu
re.




4. RestructuregingETLg-gCorrectgAnswer-
Datagisgstructuredgingagdesigngthatgisgoptimalgforganalysis.




5. LoadgingETLg-gCorrectgAnswer-Datagisgloadedgtogthegdatagwarehouse.

, P a g e g |g2

6. Issuegfocusedgong'Load'gcomponentgofgETLg-gCorrectgAnswer-
Monitorgrefreshinggvolumegandgfrequency.




7. StepgingETLgProcessgwheregrawgdatagisgaggregatedg-gCorrectgAnswer-
gTransformationgsteps.




8. Datagmininggactivitiesg-gCorrectgAnswer-
1.gClusteringg&gSegmentationg2.gClassificationg3.gEstimationg4.gPredictio
ng5.gAffinitygGroupingg6.gDescription.




9. Clusteringg&gSegmentationg-gCorrectgAnswer-
Takingglargegentitygandgdividinggintogsmallerggroupsgofgentities.gUsef
ulgwhengunsuregofgwhatglookinggfor.




10. Classificationg(DatagMining)g-gCorrectgAnswer-
Organizinggdatagintogpredefinedgclasses.




11. Estimationg(DatagMining)g-gCorrectgAnswer-
Assigninggagnumericgvaluegtogangobject.




12. Predictiong(DatagMining)g-gCorrectgAnswer-
Classifyinggobjectsgaccordinggtogangexpectedgfuturegbehavior.

, P a g e g |g3




13. AffinitygGroupingg-gCorrectgAnswer-
Evaluatinggrelationshipsgbetweengdatagelementsgthatgdemonstrategsom
egkindgofgaffinitygbetweengobjects.




14. Entitygtypesg-gCorrectgAnswer-
Theguniquelygidentifiablegelementgaboutgwhichgdatagcangbegcategorizedgi
ngangentity-relationshipgdiagram.




15. Referentialgintegritygrulesgbygmoderngrelationalgdatabasegma
nagementgsystemsg-gCorrectgAnswer-Insert,gUpdate,gDelete.




16. DISTINCTgclauseg-gCorrectgAnswer-
Returnsgonlyguniquegorg'distinct'gvalues;gFiltersgDatagResults.




17. ORDERgBYgclauseg-gCorrectgAnswer-
Modifiesgpresentationgofgdatagresults.




18. Heapgfileg-gCorrectgAnswer-
Agfilegwheregrecordsgcangbegplacedganywheregingthegmemory.

, P a g e g |g4

19. Hashgfileg-gCorrectgAnswer-
AgfilegthatgusesgHashgfunctiongcomputationgongsomegfieldsgofgthegrecords
,gandgthegresultgofgthatgcomputationgdeterminesgwheregthegrecordgisgstore
d.




20. MajorgJoinsg-gCorrectgAnswer--gLEFTgJOINg-gRIGHTgJOINg-
gINNERgJOINg-gFULLgJOIN.




21. Joinsg-gCorrectgAnswer-
Joinsgusuallygcomparegthegforeigngkeygofgonegtablegtogthegprimarygkeygo
fganothergtableg(butgcangjoinganygcolumns)g-
gjoininggtogethergdatagfromgtwogtablesgintogonegtable.




22. LEFTgJOINg-gCorrectgAnswer-
Selectsgallgthegrowsgfromgthegleftgtable,gandgonlygmatchinggrowsgfromgth
egrightgtable.




23. RIGHTgJOINg-gCorrectgAnswer-
Selectsgallgthegrowsgfromgthegrightgtable,gandgonlygmatchinggrowsgfro
mgthegleftgtable.




24. OUTERgJOINg-gCorrectgAnswer-
Anygjoingthatgselectsgunmatchedgrows;gLEFT,gRIGHT,gorgFULLgJOI
NS.




25. INNERgJOINg-gCorrectgAnswer-