AZ-104 Question #56: Real Exam Question with Answer & Explanation

Submitted by wei.xz· Mar 4, 2026Configure and manage virtual networking - specifically understanding how route tables, user-defined routes, IP forwarding, and next-hop availability affect traffic flow between subnets in Azure (AZ-104: Implement and Manage Virtual Networking)

Question

Hotspot Question You have an Azure subscription named Subscription1. Subscription1 contains the virtual machines in the following table: Subscription1 contains a virtual network named VNet1 that has the subnets in the following table: VM3 has multiple network adapters, including a network adapter named NIC3. IP forwarding is enabled on NIC3. Routing is enabled on VM3. You create a route table named RT1 that contains the routes in the following table: You apply RT1 to Subnet1 and Subnet2. For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point. Answer:

Explanation

VM3 is on Subnet3, which does NOT have RT1 applied, so VM3's traffic to VM1 follows default VNet routing and can reach VM1 on Subnet1 directly - making statement 1 'Yes'. VM1 can reach VM2 because RT1 is applied to Subnet1 and contains a route directing traffic to Subnet2 via VM3 (NIC3 with IP forwarding and routing enabled), so the path exists - making statement 3 'Yes'. However, if VM3 is turned off, the route in RT1 that uses VM3 as the next hop becomes unavailable; since RT1 overrides default VNet routing for Subnet1 and Subnet2, VM2 cannot fall back to direct VNet routing to reach VM1, making statement 2 'No'.

Topics

#Azure Virtual Networks#User-Defined Routes (UDR)#IP Forwarding#Network Routing

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