PTC Technical Lead Interview Questions and Answers

Load balancers distribute incoming network traffic across multiple servers to ensure no single server is overwhelmed.

• Load balancers monitor the health of servers and distribute traffic based on predefined algorithms.

• They can be hardware-based or software-based.

• Common algorithms used by load balancers include round-robin, least connections, and IP hash.

• Load balancers can improve reliability and scalability of a website ...read more

The Two Sum problem involves finding two numbers in an array that add up to a target value.

• Iterate through the array and store the difference between the target and current element in a hashmap.

• Check if the current element exists in the hashmap, if yes, return the indices of the current element and the stored difference.

• Time complexity of O(n) can be achieved by using a hashmap to store elements and their indices.

Generate the first 50 prime numbers

• Start with the first prime number, 2

• Use a loop to check for prime numbers by dividing each number by all numbers less than it

• Keep track of the prime numbers found until you have 50

Listen to their perspectives, encourage open communication, find common ground, and work towards a compromise.

• Encourage open communication to understand each employee's perspective

• Listen actively and show empathy towards their opinions

• Find common ground and areas of agreement to build upon

• Work towards a compromise that addresses the concerns of all parties involved