AZ-700 Question 42

Community Discussion

Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.

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  one route filter and two filter rules is typically the best choice for: Minimizing administrative effort Accessing multiple Microsoft services Keeping costs low

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  Explanation: When Microsoft peering is configured on an ExpressRoute circuit, Microsoft edge routers establish BGP sessions with your edge routers. No routes are advertised to your network by default. To receive route advertisements for specific services like Microsoft 365 or public Azure services, you must associate a route filter with your ExpressRoute circuit. A route filter defines an allowed list of BGP community values, and only prefixes corresponding to these values are advertised to your network. For example, if you want to access Exchange Online through your ExpressRoute circuit, you would add the BGP community value for Exchange Online to the route filter rule. In summary: You need one route filter resource. This route filter can only have one rule. This rule must be of type 'Allow'. The rule can include a list of BGP community values associated with the services you want to access

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  MS peering a Route filter and a Single filter rule