Verizon Interview Questions, Process, and Tips

Q1. Explain your overall and relevant experience
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Q2. What all OSS and BSS systs you know or worked on
Ans. 
I have experience working with OSS and BSS systems such as NetCracker, Amdocs, and CSG.
• NetCracker

• Amdocs

• CSG
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Q3. Give an example of an E2E process flow across OSS and BSS
Ans. 
End-to-end process flow across OSS and BSS involves order management, service activation, billing, and customer care.
• Order is placed by customer through self-service portal or customer service representative in OSS

• Order is validated, processed, and provisioned in OSS

• Service activation triggers in BSS, updating customer account and billing information

• Billing system generates invoice based on service usage and sends to c...read more
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Q4. Explain your experience on specific OSS and/or BSS systems
Ans. 
I have extensive experience working with OSS and BSS systems in the telecommunications industry.
• Implemented and maintained OSS/BSS systems for network inventory management

• Developed custom solutions for billing and customer management using OSS/BSS platforms

• Integrated OSS/BSS systems with third-party applications for seamless operations
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Q5. Explain what all communication technologies and protocols you have worked and where they fit in OSI layers
Ans. 
I have worked with various communication technologies and protocols across different OSI layers.
• TCP/IP - fits in transport layer

• HTTP - fits in application layer

• Ethernet - fits in data link layer

• SMTP - fits in application layer

• UDP - fits in transport layer
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Q6. Do you know about TMF standards, which ones you have used
Ans. 
Yes, I am familiar with TMF standards and have used them in previous projects.
• I have used TMF Reference Model for organizing and managing clinical trial documentation

• I am familiar with TMF structure and content requirements

• I have experience in implementing TMF standards to ensure compliance with regulatory guidelines
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Q7. Any whitepaper you have written?
Ans. 
Yes, I have written a whitepaper on the implementation of machine learning algorithms in cybersecurity.
• Researched various machine learning algorithms commonly used in cybersecurity

• Analyzed the effectiveness of different algorithms in detecting and preventing cyber threats

• Discussed practical implementation strategies for integrating machine learning into existing cybersecurity systems
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Q8. Any automation experience?
Ans. 
Yes, I have extensive experience in automation including scripting, testing, and deployment.
• Developed automation scripts using tools like Selenium, Jenkins, and Puppet

• Implemented automated testing frameworks to improve efficiency and accuracy

• Utilized automation for continuous integration and deployment processes

• Experience with scripting languages such as Python, Bash, and PowerShell
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Q9. Explain which SDLC you have worked on and where do you fit in it?
Ans. 
I have worked on the Agile SDLC and primarily function as a Scrum Master.
• I have experience working in Agile environments, specifically using Scrum methodology.

• I have led daily stand-up meetings, sprint planning sessions, and retrospectives.

• I have collaborated with cross-functional teams to deliver high-quality software products on time.

• I have used tools like Jira and Trello to track progress and manage tasks.
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Q10. What are you roles and responsibilities, including deliverables.
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Q11. Any example of crisis you single handedly resolved in your project?
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Q12. Explain about any Telecom standard product you have worked on.
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Q13. Any patents you have registered?
Ans. 
Yes, I have registered two patents related to renewable energy technologies.
• Patent 1: Solar panel design for increased efficiency

• Patent 2: Wind turbine blade design for improved performance
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Q14. Any experience on cloud?
Ans. 
Yes, I have extensive experience working with cloud technologies such as AWS, Azure, and Google Cloud.
• Experience in designing and implementing cloud infrastructure

• Proficient in using cloud services such as EC2, S3, and RDS

• Knowledge of cloud security best practices

• Experience with cloud automation tools like Terraform and Ansible
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Q15. Any experience on devOps?
Ans. 
Yes, I have experience with devOps in previous roles.
• Implemented CI/CD pipelines to automate software delivery processes

• Utilized tools like Jenkins, Git, Docker, and Kubernetes for deployment and monitoring

• Worked closely with development and operations teams to streamline workflows
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Q16. Any experience on REST API and Microservices?
Ans. 
Yes, I have experience with REST API and Microservices.
• Developed RESTful APIs using Node.js and Express framework

• Implemented Microservices architecture using Docker and Kubernetes

• Utilized Swagger for API documentation and testing

• Worked on integrating third-party APIs in microservices architecture
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Q1. Explain your overall and relevant experience
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Q2. Why do you want to join Verizon?
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Q3. If you are coming from a telecom company, how do you compare its way of doing business with Verizon?
Ans. 
Telecom company vs Verizon comparison for Principal Engineer role
• Telecom companies may have a more traditional approach to business operations compared to Verizon's focus on innovation and technology

• Verizon may have a stronger emphasis on customer service and satisfaction

• Verizon's network infrastructure and technology advancements may be more advanced compared to some telecom companies

• Verizon's corporate culture and va...read more
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Q1. Expected CTC, if greater than 30%, justify
Ans. 
Expected CTC should be justified if greater than 30%
• Highlighting additional skills or experience that justify the higher salary

• Explaining the market demand for the role and the competitive salary range

• Demonstrating the value you bring to the company that justifies the higher compensation
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Q2. Notice Period, whether negotiable?
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Q3. Reason for job change?
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It was basic coding to test the Python skills like reading data from local and uploading in cloud then some basic dag related questions

Q1. Clustering and partition difference in data warehousing solutions
Ans. 
Clustering involves grouping similar data together, while partitioning involves dividing data into smaller, manageable sections.
• Clustering is used to group similar data points together based on certain criteria, such as customer segments or product categories.

• Partitioning involves dividing a large dataset into smaller, more manageable sections for easier data retrieval and processing.

• Clustering is often used for data a...read more
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Q2. What are the different approaches to Optimising SQL
Ans. 
Different approaches to optimizing SQL include indexing, query optimization, and database design.
• Use indexing to improve query performance

• Optimize queries by avoiding unnecessary joins and using appropriate functions

• Design the database schema efficiently to reduce redundancy and improve data retrieval speed
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Q3. Spark and it’s architecture
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Q4. Finding the count of Item bought by an customer from Flipkart during a year excluding February
Ans. 
To find the count of items bought by a customer from Flipkart during a year excluding February, you need to aggregate the data and filter out February transactions.
• Aggregate the data by customer and item purchased

• Filter out transactions from February

• Count the number of items bought by each customer
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Q1. Tell me about yourself
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Q2. Can you show me one your recent presentations that you might have done
Ans. 
I recently presented a market research analysis on consumer behavior trends in the tech industry.
• Utilized data from surveys and focus groups to analyze consumer preferences

• Identified key trends in purchasing behavior and brand loyalty

• Presented findings through visual charts and graphs for easy understanding
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Q3. Tell me about yourself apart from your experience
Ans. 
I am a curious and creative individual with a passion for learning and problem-solving.
• I enjoy exploring new technologies and trends in the market research industry.

• I have a strong analytical mindset and attention to detail.

• I am a team player and enjoy collaborating with colleagues on projects.

• I have a background in statistics and data analysis, which helps me in interpreting market research data effectively.
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The online assessment was of 3 parts.
First - We were asked to write a 200 word paragraph on a given topic.
Second - We had to solve 2 coding questions.
Third - It tested our vocabulary and grammar skills.

We were split into groups of 15 and had to have a group discussion on the given topic for 10 minutes. The one our group got was about Gen AI.

Q1. Questions related to Data Structures
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Q2. Questions related to my projects.
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