Apollo.io Interview Questions and Answers

Undo/Redo feature can be created by maintaining a stack of previous actions and their reverse actions.

• Maintain a stack of previous actions and their reverse actions

• Push the action onto the stack when it is performed

• When undo is requested, pop the last action from the stack and perform its reverse action

• When redo is requested, pop the last reverse action from the stack and perform the original action

• Ensure that the stack is cleared when a new action is performed after undoing ...read more

Design discussion with group involves sharing ideas and collaborating to create a functional and efficient solution.

• Discuss project goals and requirements

• Brainstorm ideas and potential solutions

• Evaluate feasibility and potential challenges

• Collaborate to create a design that meets project goals

• Refine and iterate design as necessary

Designing batteries involves determining the required capacity, voltage, and chemistry, selecting appropriate materials, and optimizing the design for performance and safety.

• Determine required capacity, voltage, and chemistry based on application

• Select appropriate materials for electrodes, electrolyte, and casing

• Optimize design for performance and safety, considering factors such as temperature, discharge rate, and cycle life

• Consider environmental impact and end-of-life dispo...read more

Connected sum problem involves finding the number of connected components in a graph

• The problem can be solved using DFS or BFS algorithm

• The input graph can be represented using adjacency list or matrix

• The output is the number of connected components in the graph

Electronics deals with the flow of electrons in devices like transistors and diodes, while electrical focuses on the generation, distribution, and use of electrical power.

• Electronics involves the design and development of electronic circuits and devices.

• Electrical engineering deals with power generation, transmission, and distribution.

• Electronics often involves smaller, more intricate components like integrated circuits, while electrical engineering deals with larger systems ...read more

As a Test Analyst, my previous responsibilities included creating test plans, executing test cases, identifying defects, and collaborating with developers.

• Creating test plans based on project requirements

• Executing test cases to ensure software functionality

• Identifying and documenting defects found during testing

• Collaborating with developers to resolve issues

• Participating in test automation efforts

Software Testing LifeCycle is a process of planning, designing, executing, and reporting on tests throughout the software development lifecycle.

• STLC involves phases like Requirement Analysis, Test Planning, Test Design, Test Execution, and Test Closure.

• Each phase has specific goals and deliverables to ensure the quality of the software.

• Example: In Requirement Analysis, testers review the requirements to understand the scope of testing.

• Example: In Test Execution, actual testin...read more