100+ Technical Consultant Interview Questions and Answers

Interview for Technical Consultant with questions on C and Java differences, SQL queries, and company knowledge.

• Discuss differences between C and Java programming languages

• Provide an example of a SQL query to select all columns from a table

• Research and understand the company's background and values

• Be prepared for personal questions about your background and experience

• Emphasize practical experience and problem-solving skills

Spring is widely used in Java for building enterprise-level applications.

• Dependency Injection

• Aspect-Oriented Programming

• Spring MVC for web applications

• Spring Boot for microservices

• Spring Security for authentication and authorization

• Spring Data for database access

• Integration with other frameworks like Hibernate and Struts

• Support for testing with JUnit and Mockito

Family ipv6 route-target and default-route-target in Nokia 7750 bgp configuration.

• Family ipv6 route-target is used to import/export ipv6 routes within a VRF family

• Default-route-target is used to import/export ipv4 routes within a VRF family

• Family ipv6 route-target is configured under VRF family while default-route-target is configured under VRF

• Family ipv6 route-target is used for VPNv6 while default-route-target is used for VPNv4

Yes, I can cope with a new tool.

• I am adaptable and quick to learn new tools.

• I have experience in working with various tools and technologies.

• I am confident in my ability to understand and utilize new tools effectively.

Fields can be added to a physical file without compiling using SQL ALTER TABLE statement.

• Use ALTER TABLE statement to add fields to physical file.

• Syntax: ALTER TABLE library/file ADD COLUMN fieldname datatype

• Example: ALTER TABLE MYLIB/EMPLOYEE ADD COLUMN EMAIL VARCHAR(50)

Effective teaching involves understanding the students' learning styles, creating engaging lessons, and providing opportunities for practice and feedback.

• Identify the students' learning styles and adapt teaching methods accordingly

• Create interactive and engaging lessons that cater to different learning styles

• Provide opportunities for practice and feedback to reinforce learning

• Encourage active participation and collaboration among students

• Use real-life examples and case studie...read more

Functions return a value while procedures do not.

• Functions return a value while procedures do not.

• Functions can be used in expressions while procedures cannot.

• Functions can have parameters passed by value or reference while procedures can only have parameters passed by reference.

Real-time examples of OOPs concepts in Java

• Inheritance: A car is a vehicle, so Car class can inherit from Vehicle class

• Polymorphism: A shape can be a circle or a square, so Shape class can have draw() method overridden by Circle and Square classes

• Encapsulation: A bank account has balance and transactions, but they are hidden from the user

• Abstraction: A TV remote has buttons to change channels and volume, but the user doesn't need to know how it works

I minimize the impact of data migration on end users by thorough planning, communication, and training.

• Communicate with end users about the migration process and potential disruptions

• Conduct thorough testing to identify and address any issues before migration

• Provide training and support to end users to ensure a smooth transition

• Implement a rollback plan in case of unexpected issues

• Monitor the migration process closely to address any issues promptly

A constructor is a special method used to initialize objects in a class. The main OOPs concepts are encapsulation, inheritance, and polymorphism.

• A constructor is called automatically when an object is created.

• It has the same name as the class and does not have a return type.

• Constructors can be used to set initial values for object attributes.

• Inheritance allows a class to inherit properties and methods from another class.

• Polymorphism allows objects of different classes to be t...read more

MS SQL is a relational database management system developed by Microsoft. 'Delete' removes rows from a table, while 'drop' deletes the entire table.

• MS SQL is a relational database management system developed by Microsoft

• 'Delete' removes rows from a table

• 'Drop' deletes the entire table

Browsing Google involves multiple OSI layers for data transmission and processing.

• Application Layer: User types a query in the browser (e.g., 'weather today').

• Presentation Layer: Browser encodes the query into a format suitable for transmission.

• Session Layer: Establishes a session with Google's servers to manage the connection.

• Transport Layer: TCP protocol ensures reliable data transfer between client and server.

• Network Layer: IP addresses are used to route the request to Goo...read more

Matt glaze has a non-reflective surface while glossy glaze has a shiny and reflective surface.

• Matt glaze has a rougher texture and is less slippery than glossy glaze.

• Glossy glaze is more durable and easier to clean than matt glaze.

• Matt glaze is often used for a more rustic or natural look while glossy glaze is used for a more modern or sleek look.

• Examples of matt glaze include unglazed terracotta and stoneware while examples of glossy glaze include porcelain and ceramic tiles...read more

This program searches for a specified number in an array and returns its index or a not found message.

• Use a loop to iterate through the array.

• Check each element against the target number.

• Return the index if found, otherwise return 'Not found'.

• Example: For array [1, 2, 3, 4] and target 3, return index 2.

Use BI Publisher's table properties to restrict the number of columns displayed on each page of an RTF template.

• Set the 'Columns Per Page' property in the table properties to 5.

• Adjust the layout of the table to fit only 5 columns per page.

• Consider using conditional formatting to hide additional columns if needed.

The resolution any cmd in MPLS is used to check the resolution status of any label in the label forwarding information base (LFIB).

• Resolution any cmd is used to verify the status of a label in the LFIB.

• It helps in troubleshooting label resolution issues in MPLS networks.

• The command can be used to check the status of any label, not just the labels associated with a particular interface or prefix.

• The output of the command shows the label, the outgoing interface, and the next ho...read more

Yes, I am flexible with holidays pattern.

• I understand that the nature of consulting work may require me to work during holidays.

• I am willing to adjust my schedule to meet the needs of the project and the client.

• I am open to discussing holiday schedules and finding a solution that works for everyone.

• I have experience working during holidays and understand the importance of meeting deadlines and delivering quality work.

Programs can be installed on an I series system using various methods.

• Use the Install Program (INZPRM) command to install a program from a save file

• Use the Program Temporary Fix (PTF) process to install fixes and updates

• Use the Portable Application Solutions Environment (PASE) to install Linux-based programs

• Use the Integrated Web Application Server (IAS) to install web-based applications

No, Java does not support pointers like in languages such as C or C++.

• Java uses references instead of pointers

• References in Java point to objects on the heap

• Example: String str = new String("Hello");

To create a JSF application in JDeveloper, follow these steps:

• Create a new JSF project in JDeveloper

• Add necessary libraries and dependencies

• Create JSF pages using drag and drop components

• Add managed beans for server-side logic

• Configure web.xml and faces-config.xml files

• Deploy and run the application

In an emergency situation during a call with a customer, it is important to stay calm, prioritize the customer's safety, communicate effectively, and escalate the issue if necessary.

• Remain calm and composed to avoid escalating the situation

• Assess the severity of the emergency and prioritize the customer's safety

• Communicate clearly and effectively with the customer, providing necessary instructions or guidance

• If required, escalate the issue to the appropriate team or superviso...read more

Planning infocubes are used for planning and forecasting data, while remote infocubes are used for accessing data from a remote system.

• Planning infocubes are used for budgeting, forecasting, and planning data.

• Remote infocubes are used for accessing data from a remote system, such as a different SAP system.

• Remote infocubes can be used for reporting on data from multiple systems.

• Planning infocubes can be used for creating scenarios and simulations.

• Both types of infocubes are us...read more

Rxjs is a library for reactive programming using Observables and Subscribers. forkJoins is a method for combining Observables.

• Rxjs is a library for reactive programming that allows you to work with asynchronous data streams.

• Observables are the source of data streams that can emit values over time.

• Subscribers are the consumers of these data streams that can subscribe to Observables and receive emitted values.

• forkJoins is a method for combining multiple Observables into a singl...read more

A copy constructor in Java is a special type of constructor that creates a new object by copying the values of an existing object.

• Copy constructor is used to create a new object with the same values as an existing object.

• It is typically used to create a deep copy of an object.

• The copy constructor has the same name as the class and takes an object of the same class as a parameter.

findset false returns all records that do not meet the specified criteria, while findset true returns only the first record that meets the criteria.

• findset false returns multiple records, findset true returns only one record

• findset false is used for finding all records that do not meet the criteria

• findset true is used for finding the first record that meets the criteria

There is no limit to the number of tables that can be declared in an RPG program.

• Tables can be declared using the DCL-TBL statement.

• The number of tables that can be declared is limited only by the available memory.

• Each table can have its own unique name and structure.

• Tables can be used to store and manipulate data within the RPG program.

Variables are containers used to store data in a program. They can hold different types of data such as numbers, strings, or boolean values.

• Variables are used to store data in a program and can be assigned different values.

• Types of variables include integers (int), floating-point numbers (float), strings (str), and boolean values (bool).

• Examples of variables: int age = 25; float price = 10.99; str name = 'John'; bool isTrue = true;