You are the architect of the ACME shipping group. You are responsible for designing the migration for a production Web app from on-premises to publish code in Azure. The Web App requires to be linked to your company’s domain name as well as have 5 staging slots. The solution needs to be backed up daily as well. Which if of the following App Service Plan tiers will suffice and be the most cost-effective?
Standard Tier 1 plan is correct as it caters for custom domain names, has 5 staging slots, supports daily backup as well as being the most cost-effective solution. D1 plan only supports custom domains and not the other technical requirements. B1 plan supports custom domain names and manual scaling, however not the other technical requirements like backup and staging slots. P1V2 will suffice from a technical perspective however its not the most cost-effective solution compared to S1.