PITB Mock Interview Experience

PITB (Punjab Information Technology Board) at Arfa Tower, Lahore, Pakistan.

I had a chance to give a mock interview with the respected CTO of PITB.

I wanted to share the questions he asked me, so that if you guys apply to such opportunities you should have prepared these as well.

The Questions were:

• What was the hardest problem you faced at the University
• How did you solve it
• What steps does SDLC include
• If you were to be assigned a project, what would be the first step to follow?
• What is DSA
• What are some data structures
• Coding Problems:

1. Given an Array of N size, calculate the total sum of “even values” and return it
2. Reverse a Linked List

• What concepts are in OOP
• Describe polymorphism
• How Polymorphism and Inheritance differ
• What are Static and Dynamic Data Structures
• How is Time Complexity calculated / in what notation
• The time complexity of Finding elements within the array
• What is BST, What is its time complexity
• What are Entity, Attributes in DB
• What is ERD (also known as Model diagram)
• Showcase the Relationship between two entities (with ERD), Create Shema for it as well
• What is there are many to many relations between two entities (with ERD), Create a Schema for it as well
• What is Logical and Physical View (ERD & Schema)
• What is Normalization
• Pros and Cons of Normalization
• What is Cohesion & Coupling
• What is Vertical & Horizontal Scaling
• What are some important considerations to make an App Like Foodpanda or even Uber?