AZ-305 Question #417: Real Exam Question with Answer & Explanation

Question

Your company has multiple branch offices across North America. You have an Azure subscription. The subscription contains three virtual networks in the US East Azure region that have a hub-and-spoke topology. The hub network contains an Azure VPN gateway that provides Site-to-Site (S2S) and Point-to-Site (P2S) VPN connectivity for the branch offices and remote users. You need to implement ExpressRoute and migrate the hub-and-spoke topology to Azure Virtual WAN. The solution must provide fully meshed connectivity for the following network traffic: - Traffic from a branch office via ExpressRoute to the other branch offices and the virtual networks - Traffic from a branch office via the S2S VPN to the other branch offices and the virtual networks - Traffic from the remote users via the S2S VPN to the branch offices and the virtual networks - Traffic from the virtual networks to the branch offices - Traffic between the virtual networks How many virtual network gateways are required?

Options

• A0
• B1
• C2
• D3

Explanation

Two virtual network gateways in the main office. One with gateway type VPN. One with gateway type ExpressRoute. Note: ExpressRoute connections in Azure Virtual WAN A virtual hub can contain gateways for site-to-site, ExpressRoute, or point-to-site functionality. Users using private connectivity in Virtual WAN can connect their ExpressRoute circuits to an ExpressRoute gateway in a Virtual WAN hub. To connect your Azure virtual network and your on-premises network using ExpressRoute, you must first create a virtual network gateway. A virtual network gateway serves two purposes: exchange IP routes between the networks and route network traffic. https://learn.microsoft.com/en-us/azure/expressroute/expressroute-about-virtual-network-

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