Amdocs Interview Questions, Process, and Tips

Data structure related question

Q1. Quesitions related to data structure, cloud
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Q2. Find the second highest integer
Ans. 
To find the second highest integer in an array, sort the array in descending order and return the second element.
• Sort the array in descending order

• Return the second element in the sorted array

• Handle edge cases like duplicates or small arrays
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Q3. Question related to two sum
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Q4. Some sliding window problems
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Q1. General Behavioral Questions
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Agenda could be anything but prepration should be in essential pointers

Q1. Tricky related to the any technical skills set
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Q1. What has been your duration of employment with the organization?
Ans. 
I have been employed with the organization for 5 years.
• Employed for 5 years

• Started in entry-level position and progressed to current role

• Received promotions and increased responsibilities over time
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Q1. Core Java (OOPS, basic core java question)
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Q2. Java8 feature questions
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Q3. Linux Command Questions
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Q4. Spring boot questions (annotations, bean scopes, DI)
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Q5. Write a Junit test case
Ans. 
Writing a Junit test case for a software engineer interview
• Create a test class that extends TestCase or uses the @Test annotation

• Write test methods that test specific functionality of the code

• Use assertions to verify expected outcomes

• Set up any necessary test data or mocks before running the test

• Use annotations like @Before and @After for setup and teardown tasks
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Q1. It was technical plus managerial round
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Q2. Mostly question is asked on resume, so please be mindful while putting anything on resume as you need to justify each thing
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Q3. Why you want to join amdocs?
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I want to join Amdocs because of their reputation for innovation and their commitment to employee growth.
• Amdocs is known for its cutting-edge technology solutions in the telecommunications industry

• I am impressed by Amdocs' focus on continuous learning and development for its employees

• I believe that Amdocs offers a dynamic and challenging work environment that will help me grow as a software engineer
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Q1. Programming MCQ's
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Q2. Coding and SQL Questions
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Q1. Coding Question
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Q2. Questions based on projects done in college
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Q1. Basic Introduction
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Q2. Family Background
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Q1. What is bigadata
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Big data refers to large and complex data sets that are difficult to process using traditional data processing applications.
• Big data involves large volumes of data

• It includes data from various sources such as social media, sensors, and business transactions

• Big data requires specialized tools and technologies for processing and analysis
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Q2. How spark works
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Spark is a distributed computing framework that processes big data in memory and is known for its speed and ease of use.
• Spark is a distributed computing framework that can process data in memory for faster processing.

• It uses Resilient Distributed Datasets (RDDs) for fault-tolerant distributed data processing.

• Spark provides high-level APIs in Java, Scala, Python, and R for ease of use.

• It supports various data sources li...read more
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Q3. Explain your application
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Our application is a data engineering platform that processes and analyzes large volumes of data to provide valuable insights.
• Our application uses various data processing techniques such as ETL (Extract, Transform, Load) to clean and transform raw data into usable formats.

• We utilize big data technologies like Hadoop, Spark, and Kafka to handle large datasets efficiently.

• The application also includes machine learning al...read more
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Q1. What are the key concepts of Object-Oriented Programming (OOP)?
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Key concepts of OOP include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (object).

• Inheritance: Allowing a class to inherit properties and behavior from another class.

• Polymorphism: Objects of different classes can be treated as objects of a common superclass.

• Abstraction: Hiding complex implementation details and showing onl
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Q2. What is the internal working mechanism of a HashMap?
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HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.
• HashMap internally uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where the pair will be stored.

• If multiple keys hash to the same index (collision), a linked list is used to store these pairs.

• To retrieve a value, t...read more
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Easy to medium questions

Q1. Linked list insertion deletion
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Q2. Reversal of nodes in linked list
Ans. 
Reversing the nodes in a linked list involves changing the direction of pointers to go from the end to the beginning.
• Iterate through the linked list and reverse the pointers to point to the previous node instead of the next node.

• Use three pointers - prev, current, and next - to keep track of the nodes while reversing the list.

• Update the head of the linked list to point to the last node after reversing.
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