- Multiple Choice Latest Update 2024-2025 Guaranteed

WGU C949 Data Structures and Algorithms PreAssessment

• Multiple Choice Latest Update 2024-2025 Guaranteed

A+

• D Which statement describes a queue data structure?

A.) It is a sequence of elements in which insertion and deletion takes place at one end.B.) It is a sequence of elements in which insertion and deletion takes place at both ends.C.) It is a sequence of elements in which insertion can take place anywhere in the sequence and deletion takes place only at the front.D.) It is a sequence of elements in which insertions can take place only at the back end and deletions can take place only at the front end.

• B Which data structure allows inserting and deleting data

elements at both the front and the rear?A.) Trees B.) Deques C.) Stacks D.) Queues

• C Which data structure allows elements to be inserted and

deleted from one end and provides no direct access to the other end?A.) List B.) Deque C.) Stack D.) Queue

• A What are the official indexes for the list list01 given this declaration? 1 / 3

int[ ] list01 = {0, 2, 4, 6, 8, 10};

A.) 0, 1, 2, 3, 4, 5

B.) 0, 2, 4, 6, 8, 10

C.) 1, 2, 3, 4, 5, 6

D.) 2, 4, 6, 8, 10, 12

• A Which abstract data type (ADT) has elements of the same

type so that the elements can be retrieved based on the index or position?A.) List B.) Bag C.) Stack D.) Queue

• C Which data structure allows insertion and removal from

only one end of the data structure?A.) List B.) Queue C.) Stack D.) Deque

• C Which data type does the mystery function return?re-

turn_type mystery (int R) { int NumUnits = R; return NumUnits * 3.14; } A.) Byte B.) String C.) Double D.) Boolean 2 / 3

• C Which category of data does ("FB", 75.00, 75.03, 74.90) represent in

the pseudocode? import datetime def middle(stock, date):

symbol, current, high, low = stock return (((high + low) / 2), date) mid_value, date = middle(("FB", 75.00, 75.03, 74.90), datetime.date(2014, 10, 31)) A.) List B.) Float C.) Tuple D.) Operator

• A Which value is appropriate for Test1 given the expression?

char Test1;

A.) 'L'

B.) 77

C.) 6.5

D.) "value"

• A Which value is appropriate for the variable middle given the

pseudocode?function mystery() { string last; string first; char middle; int phone; float rate; }

A.) 'D'

B.) 'Da' C.) "david"

• / 3