Booz Allen Hamilton Senior Associate Interview Questions and Answers

Q1. Thread questions
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Q2. Design patterns
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Q1. LLD Design of any popular ecommerce
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Q2. HLD Design of any popular ecommerce
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Q1. How do you handle conflicts at work?
Ans. 
I address conflicts by actively listening, understanding all perspectives, and finding a mutually beneficial solution.
• Actively listen to all parties involved

• Seek to understand each person's perspective

• Collaborate to find a mutually beneficial solution

• Maintain professionalism and respect throughout the process
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Q2. What were your roles and responsibilities at your previous company?
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I was responsible for managing client relationships, leading project teams, and overseeing project deliverables.
• Managed client relationships to ensure satisfaction and retention

• Led project teams to meet deadlines and deliver high-quality work

• Oversaw project deliverables to ensure they met client expectations

• Collaborated with cross-functional teams to achieve project goals
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Q1. Java 8 features Hashmap features
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Q1. Design pattern Basic hashmap program
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3 sum problem and palindrome problem

Q1. OOPS related conceptual questions
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Q2. Microservices design related questions
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Q1. Salary negotiations
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Questions related to Spring Boot/Junit/Messaging Queue/Microservices

Q1. Implement Observer Pattern
Ans. 
The Observer Pattern is a behavioral design pattern where an object (subject) maintains a list of dependents (observers) that are notified of any state changes.
• Create an interface for the observer with methods like update()

• Create a subject class with methods to add, remove, and notify observers

• Implement concrete observer classes that implement the observer interface

• When the state of the subject changes, notify all obse
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Q2. Implement Fork Join Framework
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Fork Join Framework is a feature in Java for parallelizing tasks.
• ForkJoinPool class is used to create and manage ForkJoinTasks.

• ForkJoinTask class represents a task that can be forked and joined.

• Use fork() method to asynchronously execute a subtask.

• Use join() method to wait for the result of a subtask.
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About fav food and fav city

Q1. Intro , about company, why should we hire
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Q2. Where do you see your self in next years
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Q1. Since I'm from network security background,all questions were related to firewall like how NAT works, DDoS protection, Packet flow of firewall
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Q2. Some scenario based questions like how would you manage the critical outage
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Q3. Dynamic routing questions OSPF and EIGRP
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Q4. Switching questions On STP and Vlan and inter vlan routing
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Q5. SSLhandshakeand certificat
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Just an online test very easy as lost od time where given.

Q1. Never got start and intervire interviwer keep reshulding the interview many time even one time even after the start of the inter view interviewer never came to the interview call and latter got informed th...read more
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