B.S.W.E. Bachelor of Software Engineering B.S.W.E. Bachelor of Software Engineering MCQ 4

Question 1

Which software quality attribute refers to the ability of a system to handle increased load by adding resources?

Accepted Answer

Scalability

Answer

Scalability describes a system's capacity to handle growing workloads by adding hardware or software resources without degrading performance.

Question 2

In a binary tree, which traversal visits the root node before its left and right subtrees?

Accepted Answer

Pre-order

Answer

Pre-order traversal visits the root first, then recursively traverses the left subtree, and finally the right subtree.

Question 3

Which HTTP method is idempotent and used to update or create a resource at a specific URI?

Accepted Answer

PUT

Answer

PUT is idempotent and replaces the entire resource at the specified URI; calling it multiple times produces the same result as calling it once.

Question 4

In relational database normalization, which normal form eliminates transitive functional dependencies?

Accepted Answer

Third Normal Form (3NF)

Answer

Third Normal Form (3NF) requires that non-key attributes depend only on the primary key and not on other non-key attributes (transitive dependency).

Question 5

Which type of software testing verifies that previously working functionality has not been broken by new changes?

Accepted Answer

Regression testing

Answer

Regression testing re-runs existing test cases after code changes to ensure that new modifications have not introduced defects in previously working features.

B.S.W.E. Bachelor of Software Engineering Practice Test

B.S.W.E. Bachelor of Software Engineering Practice Test

B.S.W.E. Bachelor of Software Engineering B.S.W.E. Bachelor of Software Engineering MCQ 4