Lemma Technologies Interview Questions and Answers

Real Time Framework is a testing framework used for automation testing of real-time applications.

• Real Time Framework is designed specifically for testing real-time applications.

• It allows for automation testing of applications that require real-time data processing.

• The framework provides tools and features to simulate real-time scenarios and test the application's response.

• It helps in identifying performance issues and ...read more

A Java program that demonstrates string recursion.

• Create a method that takes a string as input and recursively calls itself to manipulate the string.

• Use base case to stop the recursion.

• Example: public static String reverseString(String str) { if (str.isEmpty()) { return str; } else { return reverseString(str.substring(1)) + str.charAt(0); } }

Bug Life Cycle is the process of a bug from identification to resolution in software testing.

• Bug is identified by tester

• Bug is reported in bug tracking tool

• Bug is assigned to developer

• Developer fixes the bug

• Bug is re-tested by tester

• Bug is closed if fixed or reopened if not

Methods in Selenium are actions that can be performed on web elements to automate testing.

• findElement() - Locates a single web element on the page

• findElements() - Locates multiple web elements on the page

• sendKeys() - Enters text into an input field

• click() - Clicks on a web element

• getText() - Retrieves the text of a web element

Encapsulation, Inheritance, Polymorphism, and Abstraction are the OOP concepts used in Selenium framework.

• Encapsulation: Used to hide the internal implementation details of the classes. For example, using private variables and methods to restrict access.

• Inheritance: Allows classes to inherit properties and behavior from other classes. For example, creating a base test class with common methods and properties.

• Polymorphi...read more

IAB oRTB 2.5 is a protocol used in programmatic advertising to facilitate real-time bidding between advertisers and publishers.

• IAB oRTB 2.5 stands for Interactive Advertising Bureau OpenRTB 2.5.

• It is a standardized protocol that enables communication between demand-side platforms (DSPs) and supply-side platforms (SSPs) in programmatic advertising.

• The protocol allows advertisers to bid in real-time for ad impressions on...read more

I have monitored and set up over 50 campaigns across various platforms, optimizing for performance and engagement.

• Managed 20+ digital ad campaigns for a major retail client, focusing on seasonal promotions.

• Set up and monitored PPC campaigns on Google Ads, achieving a 30% increase in ROI.

• Implemented A/B testing for email marketing campaigns, improving open rates by 15%.

• Collaborated with creative teams to develop engagin...read more

Effective live campaign configuration ensures optimal ad performance and audience targeting.

• Define clear campaign objectives, such as brand awareness or lead generation.

• Segment your audience based on demographics, interests, and behaviors.

• Utilize A/B testing to compare different ad creatives and placements.

• Set up tracking parameters to measure campaign performance accurately.

• Adjust bids and budgets dynamically based on...read more