WGU C949 Data Structure and Algorithm Prerequisite pretest Exam training Questions with Rated A + Marking Scheme Latest 2024/2025
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WGU C949 Data Structure and Algorithm
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WGU C949 Data Structure And Algorithm
WGU C949 Data Structure and Algorithm Prerequisite pretest Exam training Questions with Rated A + Marking Scheme Latest 2024/2025
Vertex - correct answer a node that represents an item in a graph.
Edge - correct answer a line that represents a connection between two vertices in a graph.
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WGU C949 Data Structure and Algorithm
Prerequisite pretest Exam training Questions
with Rated A + Marking Scheme Latest
2024/2025
Vertex - correct answer a node that represents an item in a
graph.
Edge - correct answer a line that represents a connection
between two vertices in a graph.
Adjacent (general) - correct answer two vertices are this if
connected by an edge.
Path (general) - correct answer a sequence of edges leading
from a source (starting) vertex to a destination (ending) vertex.
Path length (general) - correct answer the number of edges in
the path.
Distance - correct answer the number of edges on the
shortest path between two vertices, typically from the start
vertex to the current (end) vertex.
Adjacency list - correct answer in this graph representation,
each vertex has a list of adjacent vertices, each list item
representing an edge.
,Sparse graph - correct answer a graph that has far fewer
edges than the maximum possible.
Adjacency matrix - correct answer in this graph
representation, each vertex is assigned to a matrix row and
column, and a matrix element is 1 if the corresponding two
vertices have an edge or is 0 otherwise.
Graph traversal - correct answer when an algorithm visits
every vertex in a graph in some order.
Breadth-first search (bfs) - correct answer a graph traversal
that visits a starting vertex, then all vertices of distance 1 from
that vertex, then of distance 2, and so on, without revisiting a
vertex.
Discovered - correct answer when the bfs algorithm first
encounters a vertex, that vertex is said to have been this.
Frontier - correct answer in the bfs algorithm, the vertices in
the queue are called this, being vertices thus far discovered but
not yet visited.
Depth-first search (dfs) - correct answer a graph traversal
that visits a starting vertex, then visits every vertex along each
path starting from that vertex to the path's end before
backtracking.
, Directed graph (digraph) - correct answer a type of graph
that consists of vertices connected by directed edges.
Directed edge - correct answer a type of edge that creates a
one-way connection between a starting vertex and a terminating
vertex.
Adjacent (directed graph) - correct answer in a directed
graph, a vertex y is this to a vertex x, if there is an edge from x to
y.
Path (directed graph) - correct answer a sequence of directed
edges leading from a source (starting) vertex to a destination
(ending) vertex.
Cycle - correct answer a path that starts and ends at the
same vertex.
Cyclic / acyclic - correct answer first term: a directed graph
is this if the graph contains a cycle.
Second term: a directed graph is this if the graph does not
contain a cycle.
Weight - correct answer a graph edge's cost, which
represents some numerical value between vertex items, such as
flight cost between airports, connection speed between
computers, or travel time between cities.
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