Technology Consultant
70+ Technology Consultant Interview Questions and Answers
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
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
Q3. Why do we need ipv6 if we already have ipv4?
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
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
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?
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.
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 moreSynon 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
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How would you differentiate between a String, StringBuffer, and a StringBuilder?
Q10. Explain HTTP, FTP, TCP/IP protocol etc.
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
What is a package in Java? List down various advantages of packages.
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 .
How does Spring Boot works?
How MVC works in Spring?
How you setup the architecture in azure when client is moving to cloud from on-prem?
What are the use cases of Kafka monitoring?
What are the major differences between RequestMapping and GetMapping?
What do you know about JIT Compiler?
Why are Java Strings immutable in nature?
What is dependency Injection?
What are the four core API architectures that Kafka uses?
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 ?
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
What is the root application context in Spring MVC? How is it loaded?
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.
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
Write a Java 8 program to iterate a Stream using the forEach method?
How do you create an immutable class in hibernate?
What are Java 8 streams?
Q30. what is final window in smartforms and when can you use it?
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.
What is hibernate caching?
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
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?
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?
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.
Explain @RestController annotation in Sprint boot?
How you deploy multiple environment script using terraform
Differentiate between ArrayList and Vector in java.
Mention a few features of Spring Boot.
Differentiate between HashMap and HashTable.
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
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
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?
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
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
Explain Query Cache
Q47. Types of matching in tmap, and difference b/w tmap and tunite
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
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
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
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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