Which set of ad dimensions represent common standard interactive advertising bureau (IAB)ad specifications?

The correct answer options for common standard Interactive Advertising Bureau(IAB)ad specifications are 300 x 250 and728x90,as indicated.These dimensions are widely recognized and utilized across various digital advertising platforms and formats.The 300 x 250 ad size,also known as the medium rectangle,is one of the most popular ad sizes due to its versatility and compatibility with a wide range of content layouts.It fits neatly into website sidebars,within content blocks,and on mobile devices, making it highly effective for both desktop and mobile advertising campaigns.Similarly,the 728 x 90 ad size,commonly referred to as the leader board,is another prevalent choice for digital ads.It offer sample space for branding and messaging while remaining unobtrusive,often placed at the top or bottom of website pages for optimal visibility without disrupting the user experience. Conversely,the dimensions 728 x 900 and 300 x 300 are not standard I A Bad specifications.While the former exceeds typical ad sizes and may not be supported by all platforms or websites due to its larger dimensions,thelatter,300x300,is not a commonly used standard size within the I AB framework.Therefore,the correct answer options align with widely accepted industry standards for digital advertising,ensuring compatibility and effectiveness across various platforms and devices.