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Q9 Single choice

The Client has implemented a different category/search layout for mobile and desktop. The code uses a session attribute called deviceType to choose the corresponding layout. This attribute it populated from the browser user agent. After this implementation they have run into these problems:

1. Sometimes desktop pages are being served to both desktop and mobile customers.
2. Sometimes mobile pages ate being served to both desktop and mobile customers.

The page has cachingimplemented that depends; on promotions. SEC is very important and the site traffic
is high.

Which solution should the Architect select to resolve the issue without impacting the existing requirements?

A
Create customer groups for desktop and mobile usersand uh remote includes based on these groups to render the mobile and desktop pages
B
Create customer groups for desktop and mobile users and empty promotions linked to these groups to
ensure different cached versions of the page.
C
Disable caching forthese pages to ensure that the correct template is used to render the mobile and desktop pages.
D
Change the URL structure to include desktop and mobile as URL parameters to ensure different cached versions of the page

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