Technology Consultant

70+ Technology Consultant Interview Questions and Answers

Updated 24 Nov 2024

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Q1. Smallest Subarray With K Distinct Elements

Given an array 'A' consisting of 'N' integers, find the smallest subarray of 'A' containing exactly 'K' distinct integers.

Note :
If more than one such contiguous subar...read more
Q2. Group Anagrams Together

You have been given an array/list of strings 'STR_LIST'. You are supposed to return the strings as groups of anagrams such that strings belonging to a particular group are anagrams of one...read more

Technology Consultant Interview Questions and Answers for Freshers

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Q3. Why do we need ipv6 if we already have ipv4?

Ans.

IPv6 is needed due to the exhaustion of IPv4 addresses and the need for more secure and efficient communication.

  • IPv4 has a limited number of addresses, which are almost exhausted

  • IPv6 provides a much larger address space, allowing for more devices to connect to the internet

  • IPv6 also offers improved security features and more efficient routing

  • Many new devices and networks are already using IPv6

  • IPv6 is essential for the future growth and development of the internet

Q4. Implementation: HashMap

Design a data structure that stores a mapping of a key to a given value and supports the following operations in constant time.

1. INSERT(key, value): Inserts an integer value to the data...read more
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Q5. Print Permutations - String

You are given an input string 'S'. Your task is to find and return all possible permutations of the input string.

Note:
1. The input string may contain the same characters, so there w...read more

Q6. Difference single variant and multivariant parameters?

Ans.

Single variant parameters have one value while multivariant parameters have multiple values.

  • Single variant parameters have only one value that can be changed.

  • Multivariant parameters have multiple values that can be changed.

  • Examples of single variant parameters include age, weight, and height.

  • Examples of multivariant parameters include hair color, eye color, and skin tone.

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Q7. Write a code to check a palindrome.

Ans.

Code to check if a given string is a palindrome or not.

  • Remove all non-alphanumeric characters from the string

  • Convert the string to lowercase

  • Reverse the string and compare with the original string

  • If they are equal, then the string is a palindrome

Q8. Types of file in synon, types of context of fields in functions, types of fields in synon, types of screen in synon and difference, purpose of arrays in synon, how to delete single and all records in arrays in ...

read more
Ans.

Synon file types, field contexts, screen types, array purpose and deletion in Synon

  • Synon file types include physical, logical, and display files

  • Field contexts in functions include input, output, and both

  • Types of fields in Synon include alphanumeric, numeric, and date

  • Types of screens in Synon include inquiry, maintenance, and report

  • Arrays in Synon are used to store multiple values of the same data type

  • To delete a single record in an array, use the DELETE_ARRAY_ENTRY function

  • To...read more

Technology Consultant Jobs

Ariba Technology Consultant- Bangalore 7-10 years
SAP India Pvt.Ltd
4.2
Bangalore / Bengaluru
Engr III Consultant-Tech Process Management 3-6 years
Verizon Data Services India Pvt.Ltd
4.2
Chennai
Database Technology Consultant 3-10 years
SAP India Pvt.Ltd
4.2
Bangalore / Bengaluru
Q9. Java Question

How would you differentiate between a String, StringBuffer, and a StringBuilder?

Q10. Explain HTTP, FTP, TCP/IP protocol etc.

Ans.

HTTP, FTP, and TCP/IP are protocols used for communication between devices on a network.

  • HTTP (Hypertext Transfer Protocol) is used for transmitting web pages and other data over the internet.

  • FTP (File Transfer Protocol) is used for transferring files between computers on a network.

  • TCP/IP (Transmission Control Protocol/Internet Protocol) is the basic communication language of the internet.

  • TCP is responsible for ensuring that data is transmitted reliably between devices, while ...read more

Q11. Java Question

What is a package in Java? List down various advantages of packages.

Q12. SQL Question

Write a query that joins two tables A and B having common attribute ID and selects records(ID_NAME) that have
matching ID values in both tables .

Q13. Spring Boot Question

How does Spring Boot works?

Q14. Spring Boot Question

How MVC works in Spring?

Q15. System Design Question

How you setup the architecture in azure when client is moving to cloud from on-prem?

Q16. Kafka Question

What are the use cases of Kafka monitoring?

Q17. Spring Boot Question

What are the major differences between RequestMapping and GetMapping?

Q18. Java Question

What do you know about JIT Compiler?

Q19. Java Question

Why are Java Strings immutable in nature?

Q20. Spring Boot Question

What is dependency Injection?

Q21. Kafka Question

What are the four core API architectures that Kafka uses?

Q22. Spring Boot Question

What Are the Basic Annotations that Spring Boot Offers?

Q23. What do you know about lock objects, difference between badi and user exits, what are idoc types, process of creating idocs ?

Ans.

Lock objects ensure data consistency, BADI allows modification of standard functionality, IDOCs are data exchange format.

  • Lock objects prevent multiple users from accessing the same data simultaneously.

  • BADI (Business Add-In) is an enhancement technique that allows modification of standard functionality without changing the original code.

  • User exits are similar to BADI but are older and less flexible.

  • IDOCs (Intermediate Documents) are a data exchange format used to transfer data...read more

Q24. Spring Boot Question

What is the root application context in Spring MVC? How is it loaded?

Q25. SQL Question

Given an Employee Table, find the Nth highest salary from it.

Q26. We have your CV right in front of us. Tell us something special which is not mentioned there.

Ans.

I am a trained classical dancer and have performed in various cultural events.

  • Trained in classical dance forms like Bharatanatyam and Kathak

  • Performed in various cultural events and competitions

  • Dance helps me maintain focus and discipline in my work

Q27. Java Question

Write a Java 8 program to iterate a Stream using the forEach method?

Q28. Hibernate Question

How do you create an immutable class in hibernate?

Q29. Java Question

What are Java 8 streams?

Q30. what is final window in smartforms and when can you use it?

Ans.

Final window is the last window in a Smartform that displays the final output.

  • Final window is used to display the final output of a Smartform.

  • It is the last window in the Smartform and cannot be deleted.

  • Final window can be used to display summary information or a confirmation message.

  • It is also used to display the total number of pages in the Smartform.

  • Final window can be customized using the Smartstyles tool.

Q31. Hibernate Question

What is hibernate caching?

Q32. Java Question

Explain the use of final keyword in variable, method and class.

Q33. What is virtualisation? what is paging? what is thrashing? what is bellady's anonaly? and some more OS questions

Ans.

Virtualisation is the process of creating a virtual version of something, such as a server, storage device, network or operating system.

  • Virtualisation allows multiple operating systems to run on a single physical machine.

  • Paging is a memory management scheme that allows the operating system to move pages of memory between main memory and secondary storage.

  • Thrashing occurs when a computer's operating system spends a lot of time swapping data between RAM and virtual memory, slow...read more

Q34. As you belong from Core branches will you be able to cope up with coding stuffs?

Ans.

Yes, I will be able to cope up with coding stuffs despite belonging to a core branch.

  • I have a strong foundation in coding and programming concepts.

  • I have taken coding courses and have practical experience in coding projects.

  • I am a quick learner and have the ability to adapt to new technologies and programming languages.

  • I have successfully completed coding assignments and projects during my academic years.

  • I have a passion for technology and enjoy exploring coding challenges an...read more

Q35. Do you know about SAP or enterprise apps?

Ans.

Yes, I am familiar with SAP and enterprise apps.

  • I have experience working with SAP software for managing business operations.

  • I am knowledgeable about enterprise applications used for resource planning and customer relationship management.

  • I have implemented SAP solutions for clients to streamline their business processes.

  • I have integrated enterprise apps with other systems to improve efficiency and productivity.

Q36. Spring Boot Question

Explain @RestController annotation in Sprint boot?

Q37. System Design Question

How you deploy multiple environment script using terraform

Q38. Java Question

Differentiate between ArrayList and Vector in java.

Q39. Spring Boot Question

Mention a few features of Spring Boot.

Q40. Java Question

Differentiate between HashMap and HashTable.

Q41. Java Question

Differentiate between HashSet and HashMap.

Q42. Multiple Cases; How to pitch a SAP platform to a construction firm; Use Blockchain to improve any industry of choice

Ans.

Pitching a SAP platform to a construction firm and using Blockchain to improve any industry

  • Highlight the benefits of using a SAP platform in the construction industry, such as improved project management, cost control, and resource allocation

  • Emphasize the integration capabilities of SAP with other construction software and systems, enabling seamless data flow and collaboration

  • Demonstrate how SAP can streamline construction processes, such as procurement, inventory management,...read more

Q43. How do you detect and handle memory leak in node js

Ans.

Detecting and handling memory leaks in Node.js involves using tools like heap snapshots and monitoring memory usage.

  • Use tools like heap snapshots to identify memory leaks

  • Monitor memory usage over time to detect abnormal increases

  • Implement proper garbage collection strategies to free up memory

  • Avoid creating unnecessary closures or retaining references to objects

Q44. Which is more preferable, BAPI or BDC and why?

Ans.

BAPI is more preferable as it provides a standardized interface and supports real-time data processing.

  • BAPI provides a standardized interface for accessing SAP data and functionality

  • BAPI supports real-time data processing and can be used for both read and write operations

  • BDC is a legacy technology and requires more manual effort to maintain

  • BAPI is more flexible and can be used across different SAP modules

  • BAPI is recommended for integrating with non-SAP systems

Q45. Sql query: Find top 3 salary from each department from employee table

Ans.

Use SQL query to find top 3 salaries from each department in employee table.

  • Use window functions like ROW_NUMBER() to rank salaries within each department

  • Partition the data by department and order by salary in descending order

  • Filter the results to only include rows where the row number is less than or equal to 3

Q46. Hibernate Question

Explain Query Cache

Q47. Types of matching in tmap, and difference b/w tmap and tunite

Ans.

TMAP has three types of matching: exact, fuzzy, and partial. TUNITE is used for merging data from multiple sources.

  • TMAP has exact, fuzzy, and partial matching options for data mapping

  • Exact matching requires exact match of values in source and target

  • Fuzzy matching allows for some variation in values, such as spelling errors

  • Partial matching matches based on a percentage of similarity between values

  • TUNITE is used for merging data from multiple sources into a single output

  • TUNITE ...read more

Q48. What is denormalization and explanation of projects

Ans.

Denormalization is the process of adding redundant data to a database to improve read performance.

  • Denormalization involves duplicating data from normalized tables into a single denormalized table.

  • It can improve query performance by reducing the need for joins and aggregations.

  • Denormalization is often used in data warehousing and reporting applications.

  • Examples of denormalization include creating summary tables or adding calculated fields to a table.

Q49. Give aome examples of ypur current projext and challenges

Ans.

Currently working on developing a cloud-based project management tool for a client.

  • Designing the user interface and user experience

  • Integrating various project management methodologies

  • Implementing security measures to protect sensitive data

  • Ensuring scalability and performance of the tool

  • Collaborating with the development team to ensure timely delivery

Q50. What are the Best practices following

Ans.

Best practices for technology consultants

  • Stay updated on latest technologies and trends

  • Communicate effectively with clients and team members

  • Document all processes and decisions for future reference

  • Provide regular updates and progress reports to stakeholders

  • Continuously improve skills through training and certifications

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