10+ UST Interview Questions and Answers for Freshers

Calculate average salary of employees over 30 for each designation.

• Filter employees with age > 30

• Group employees by designation

• Calculate average salary for each group

Merge short is better than other shorting techniques due to its ability to minimize risk and maximize profits.

• Merge short involves combining multiple short positions into one, reducing the risk of individual short positions

• It allows for greater flexibility in managing short positions and can lead to higher profits

• For example, if an investor wants to short a stock but is unsure of the timing, they can use merge short to gradually build a short position over time

• This technique ...read more

Schematics are diagrams that show the components and connections of a system or device.

• Schematics are visual representations of circuits or systems

• They show the components used and how they are connected

• Commonly used in electronics and engineering fields

OWD stands for Organization Wide Default. It is a security setting in Salesforce that defines the default level of access to records.

• OWD can be set for different objects in Salesforce

• It determines the default access level for records created in that object

• OWD can be set to Private, Public Read Only, Public Read/Write, or Controlled by Parent

• For example, if OWD for Accounts is set to Private, only the record owner and users with higher access can view/edit the record

Boot loader is a program that loads the operating system into the computer's memory during startup.

• Boot loader is the first software program that runs when a computer starts.

• It is responsible for loading the operating system kernel into memory.

• Boot loaders can be specific to the hardware architecture of the computer.

• Examples of boot loaders include GRUB for Linux systems and NTLDR for Windows systems.

Types of communication include verbal, non-verbal, written, and visual communication.

• Verbal communication: involves speaking and listening, such as conversations and phone calls.

• Non-verbal communication: includes body language, gestures, and facial expressions.

• Written communication: involves written words, such as emails, reports, and letters.

• Visual communication: includes graphs, charts, and presentations to convey information visually.

Encapsulation, Inheritance, Polymorphism, Abstraction

• Encapsulation: bundling of data and methods that act on that data within a single unit

• Inheritance: ability of a class to inherit properties and methods from a parent class

• Polymorphism: ability of objects to take on many forms

• Abstraction: hiding of complex implementation details and showing only the necessary information

Device Manager is a built-in Windows utility that allows users to view and manage hardware devices connected to their computer.

• Device Manager displays a list of all hardware devices installed on a computer

• Users can update drivers, disable or uninstall devices, and troubleshoot hardware issues through Device Manager

• Common examples of devices listed in Device Manager include network adapters, graphics cards, and USB controllers

To reverse a linked list, traverse it and change the pointers. To reverse a binary tree, swap left and right child nodes recursively.

• For reversing a linked list, traverse the list and change the pointers to point to the previous node instead of the next node.

• For reversing a binary tree, swap the left and right child nodes of each node recursively starting from the root node.

• Both operations can be done in O(n) time complexity where n is the number of nodes in the list or tree.

Spring Boot is a framework that simplifies the development of Java applications by providing pre-configured settings and dependencies.

• Spring Boot is built on top of the Spring framework and follows the convention over configuration principle.

• It provides a standalone executable JAR file that includes an embedded server, making it easy to deploy and run applications.

• Spring Boot offers auto-configuration, which automatically configures the application based on the dependencies p...read more

Namespaces are used in programming to organize code and prevent naming conflicts.

• Namespaces help prevent naming conflicts by allowing multiple libraries or modules to define objects with the same name without colliding.

• They make code more readable and maintainable by providing a way to group related code together.

• Namespaces can also help in organizing code into logical units, making it easier to understand and navigate.

• For example, in C++, the 'std' namespace is used to conta...read more

A network is a collection of computers, servers, mainframes, network devices, and other devices connected to one another to share data and resources.

• Networks can be classified based on their size (LAN, WAN, MAN)

• They can be wired or wireless

• Networks use protocols to communicate (TCP/IP, Ethernet)

• Examples include the internet, intranets, and extranets

Yes, I am open to relocating for the right opportunity.

• I am willing to relocate for the right job opportunity that aligns with my career goals.

• I am open to exploring new cities and cultures through relocation.

• I understand the importance of being flexible and adaptable in the job market.

• I am excited about the prospect of starting fresh in a new location.

Excel is a spreadsheet program used for data organization, analysis, and visualization.

• Excel functions are pre-built formulas for performing calculations and data manipulation.

• Functions can be used to sum, average, count, find values, and more.

• Examples of Excel functions include SUM, AVERAGE, VLOOKUP, IF, and CONCATENATE.