Blackrock Senior Software Engineer Interview Questions and Answers

Q1. What are TMG events?
Ans. 
TMG events refer to events related to Threat Management Gateway, a Microsoft network security product.
• TMG events are generated by Threat Management Gateway (TMG), a network security product developed by Microsoft.

• These events provide information about network traffic, security threats, and system health.

• Examples of TMG events include firewall rule violations, malware detection, and system errors.
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Q2. Events in interactive report?
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Events in interactive report refer to user interactions like clicking, hovering, or scrolling.
• Events can trigger actions or functions in the report.

• Common events include click, hover, scroll, keypress, etc.

• Events can be used to enhance user experience and interactivity.

• Examples: Clicking on a data point to view more details, hovering over a chart to see tooltips.
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Q3. Difference between RFC and BAPI
Ans. 
RFC is a protocol for requesting services from a server, while BAPI is a specific type of RFC used in SAP systems.
• RFC stands for Remote Function Call and is a protocol used to request services from a server over a network.

• BAPI stands for Business Application Programming Interface and is a specific type of RFC used in SAP systems for integrating external applications with SAP.

• RFC can be used in various systems and techn...read more
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Q4. What is ABAP on HANA
Ans. 
ABAP on HANA is a programming language that combines ABAP with the in-memory database technology of SAP HANA.
• ABAP on HANA allows developers to leverage the speed and power of SAP HANA for their ABAP-based applications.

• It enables real-time analytics, predictive modeling, and faster data processing.

• Developers can use ABAP on HANA to optimize existing ABAP code for better performance.

• It provides a seamless integration bet...read more
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Q5. Limitations of CDs Views
Ans. 
CDs Views have limitations in terms of performance and scalability.
• Limited support for complex queries and joins

• Performance degradation with large datasets

• Scalability issues when handling high volume of data

• Difficulty in maintaining and updating views as database schema changes
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Code test on Codility

Q1. How NodeJs handles concurrency
Ans. 
NodeJs handles concurrency using event-driven, non-blocking I/O model.
• NodeJs uses event loop to handle multiple requests concurrently.

• It utilizes asynchronous functions to avoid blocking the main thread.

• NodeJs supports callbacks, promises, and async/await for managing asynchronous operations.
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Q2. Event Loop, Single Threaded
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Q1. Your day to day activities, Roles and Responsibilities
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Q1. Technological working experience question
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Q1. Technology and architect
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Q1. Expectations of the roll
Ans. 
The expectations of the role include leading software development projects, mentoring junior engineers, and collaborating with cross-functional teams.
• Lead software development projects from conception to delivery

• Mentor junior engineers and provide guidance on best practices

• Collaborate with cross-functional teams to ensure project success
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1 hr test with questions on react and , js, python

Mix of coding, aptitude, java, javascript

Q1. Resume based questions on project
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Q2. Basic SQL, Java streams questions
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Q1. Project related questions
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Q2. Internal working of hashmap
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Q3. Design patterns I've used
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Q4. Print whole Fibonacci series using recursion.
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Q5. Show my Github projects, and the interviewer didn't even properly looked into the code.
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Q1. What are services in Drupal?
Ans. 
Services in Drupal are reusable objects that perform specific functions, such as database queries or sending emails.
• Services are defined in YAML files and can be accessed throughout a Drupal site.

• They are used to encapsulate reusable functionality and promote code reusability.

• Examples of services in Drupal include the database service for interacting with the database, the mail service for sending emails, and the logge
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Q2. How to debug in Drupal?
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Debugging in Drupal involves using tools like Devel module, watchdog(), and error logs.
• Enable Devel module for debugging information

• Use watchdog() function to log messages to Drupal's watchdog log

• Check error logs for PHP errors and warnings

• Use dpm() function to print variables for debugging purposes
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