Tejas Networks Sales Officer Interview Questions and Answers

OOPs concept stands for Object-Oriented Programming concepts which includes encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation is the process of hiding the implementation details from the user.

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

• Polymorphism allows objects to take on multiple forms or behaviors.

• Abstraction is the process of hiding unnecessary details from

Lazy loading is a technique used to defer the loading of non-critical resources until they are needed.

• It improves page load time and performance.

• It is commonly used for images, videos, and other media files.

• It can be implemented using JavaScript libraries like LazyLoad or Intersection Observer API.

• Lazy loading can also be used for modules and components in web applications.

• It helps to reduce the initial load time of th

Eager loading is a technique used in software development to load related data in advance to avoid multiple database queries.

• Eager loading is used to optimize database queries and improve performance.

• It loads all the required data in a single query instead of making multiple queries.

• It is commonly used in Object-Relational Mapping (ORM) frameworks like Hibernate, Entity Framework, etc.

• Eager loading can be used with var...read more

1550 and 1310 wavelengths are both used in optical fiber communication, but have different properties.

• 1550 wavelength has lower attenuation and dispersion compared to 1310 wavelength

• 1550 wavelength is used for long-haul communication while 1310 wavelength is used for short-haul communication

• 1550 wavelength is less affected by fiber non-linearities compared to 1310 wavelength

• 1310 wavelength is cheaper to produce compare

Yes

• Knowledge of network protocols and architectures

• Understanding of data structures and algorithms

• Experience with network troubleshooting and analysis

• Familiarity with network security and encryption

• Proficiency in network programming and socket programming

The test went well, I was able to complete all the tasks within the given time frame.

• I prepared well for the test by reviewing relevant materials

• I managed my time effectively during the test

• I was able to solve all the problems and complete all the tasks

• I double-checked my work to ensure accuracy

Program to print binary tree elements in spiral order

• Use two stacks to keep track of nodes at odd and even levels

• Push nodes from left to right in odd level stack and right to left in even level stack

• Pop nodes from the stack alternatively and print them

• Repeat until both stacks are empty

Entering a URL in the browser triggers a series of events to retrieve and display the requested webpage.

• The browser checks the cache for a previously stored copy of the webpage

• If not found, the browser sends a request to the DNS server to resolve the domain name to an IP address

• The browser then sends a request to the web server at the IP address for the webpage

• The web server responds with the requested webpage

• The brows...read more

MAC addresses are required for identifying devices on a local network, while IP addresses are used for identifying devices on a global network.

• MAC addresses are used for communication within a local network

• IP addresses are used for communication across different networks

• MAC addresses are assigned by the manufacturer and cannot be changed

• IP addresses can be assigned dynamically or statically

• MAC addresses are used in the...read more

Developed a web application for tracking inventory and sales data

• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express for back-end

• Utilized MongoDB for database management

• Integrated authentication and authorization features for secure access

• Designed user-friendly interface with responsive design

An ArrayList is a dynamic array in Java that can grow or shrink in size during runtime.

• ArrayList is a class in Java's Collection framework.

• It implements the List interface and allows duplicate elements.

• Elements can be added or removed using methods like add(), remove(), etc.

• It can also be sorted using the sort() method.

• Example: ArrayList names = new ArrayList<>();

• names.add("John"); names.add("Mary"); names.remove(0);