C949 WGU C949 - Data Structures and Algorithms Pre-Assessment | FREQUENTLY TESTED QUESTIONS WITH CORRECT ANSWERS | BRAND NEW!

C949 WGU C949 - Data Structures and
Algorithms Pre-Assessment |
FREQUENTLY TESTED QUESTIONS
WITH CORRECT ANSWERS | BRAND
NEW!
Whichnstatementndescribesnanqueuendatanstructure?



A.)nItnisnansequencenofnelementsninnwhichninsertionnandndeletionntakesnplacenatnonenend.

B.)nItnisnansequencenofnelementsninnwhichninsertionnandndeletionntakesnplacenatnbothnends.

C.)nItnisnansequencenofnelementsninnwhichninsertionncanntakenplacenanywhereninnthensequencenandn
deletionntakesnplacenonlynatnthenfront.

D.)nItnisnansequencenofnelementsninnwhichninsertionsncanntakenplacenonlynatnthenbacknendnandndelet
ionsncanntakenplacenonlynatnthenfrontnend.n-nCORRECTnANSWERnD



Whichndatanstructurenallowsninsertingnandndeletingndatanelementsnatnbothnthenfrontnandnthenrear?



A.)nTrees

B.)nDeques

C.)nStacks

D.)nQueuesn-nCORRECTnANSWERnB



Whichndatanstructurenallowsnelementsntonbeninsertednandndeletednfromnonenendnandnprovidesnnon
directnaccessntonthenothernend?



A.)nList

B.)nDeque

,C.)nStack

D.)nQueuen-nCORRECTnANSWERnC



Whatnarenthenofficialnindexesnfornthenlistnlist01ngivennthisndeclaration?



int[n]nlist01n=n{0,n2,n4,n6,n8,n10};



A.)n0,n1,n2,n3,n4,n5

B.)n0,n2,n4,n6,n8,n10

C.)n1,n2,n3,n4,n5,n6

D.)n2,n4,n6,n8,n10,n12n-nCORRECTnANSWERnA



Whichnabstractndatantypen(ADT)nhasnelementsnofnthensamentypensonthatnthenelementsncannbenretri
evednbasednonnthenindexnornposition?



A.)nList

B.)nBag

C.)nStack

D.)nQueuen-nCORRECTnANSWERnA



Whichndatanstructurenallowsninsertionnandnremovalnfromnonlynonenendnofnthendatanstructure?



A.)nList

B.)nQueue

C.)nStack

D.)nDequen-nCORRECTnANSWERnC

,Whichndatantypendoesnthenmysterynfunctionnreturn?return_typenmysteryn(intnR)



{

intnNumUnitsn=nR;

returnnNumUnitsn*n3.14;

}



A.)nByte

B.)nString

C.)nDouble

D.)nBooleann-nCORRECTnANSWERnC



Whichncategorynofndatandoesn("FB",n75.00,n75.03,n74.90)nrepresentninnthenpseudocode?

importndatetime

defnmiddle(stock,ndate):

symbol,ncurrent,nhigh,nlown=nstock
n



returnn(((highn+nlow)n/n2),ndate)
n




mid_value,ndaten=nmiddle(("FB",n75.00,n75.03,n74.90),

datetime.date(2014,n10,n31))
n




A.)nList

B.)nFloat

C.)nTuple

D.)nOperatorn-nCORRECTnANSWERnC

, WhichnvaluenisnappropriatenfornTest1ngivennthenexpression?



charnTest1;



A.)n'L'

B.)n77

C.)n6.5

D.)n"value"n-nCORRECTnANSWERnA



Whichnvaluenisnappropriatenfornthenvariablenmiddlengivennthenpseudocode?



functionnmystery()

{

stringnlast;

stringnfirst;

charnmiddle;

intnphone;

floatnrate;

}



A.)n'D'

B.)n'Da'

C.)n"david"

D.)n"David"n-nCORRECTnANSWERnA