- What is the default port number for HTTPS?
A
80
B
443
C
8080
D
21
Answer and explanation
Correct Answer: B — 443
HTTPS uses port 443 for secure communication.
ObjectiveMCQ
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80
443
8080
21
HTTPS uses port 443 for secure communication.
Round Robin
FCFS
Priority Scheduling
SJF
Priority Scheduling can cause starvation when high-priority processes keep arriving.
O(n log n)
O(n²)
O(n)
O(log n)
QuickSort has O(n²) worst-case when the pivot is always the smallest or largest element.
O(1)
O(n)
O(log n)
O(n²)
Inserting at the beginning takes constant time O(1) as we only update the head pointer.
1NF
2NF
3NF
BCNF
Third Normal Form (3NF) removes transitive dependencies.