Microsoft AZ-700 Exam Dumps

Answer: 1 ExpressRoute circuit with Standard SKU

Explanation:

Number of circuits: You need only 1 ExpressRoute circuit to meet all requirements. The single circuit from the New York office can be configured with multiple peering options (Microsoft peering) to access all four virtual networks across different regions.

ExpressRoute SKU: The Standard SKU is the correct choice because:

• Bandwidth requirement: Standard SKU supports up to 10 Gbps, which exceeds the 'up to 1 Gbps' requirement
• Geographic connectivity: Standard SKU supports unlimited data transfer across all Azure regions, allowing access to all four virtual networks (East US, North Europe, West US, West Europe)
• Cost optimization: Standard SKU is more cost-effective than Premium SKU for this scenario since Premium is only needed for cross-geopolitical region connectivity or more than 10 Gbps bandwidth

Why not Premium SKU: Premium SKU is more expensive and only necessary when you need cross-geopolitical region access or bandwidth greater than 10 Gbps, neither of which applies here.

The correct answer is to configure a custom health probe that targets a specific application endpoint and reduce the unhealthy threshold. 502 Bad Gateway errors typically indicate that the Application Gateway cannot reach or communicate with healthy backend instances. A default HTTP health probe may not accurately reflect your application's readiness—you should configure a custom probe that checks a meaningful application endpoint and expects an HTTP 200 response. Reducing the unhealthy threshold (e.g., from the default of 3 failed checks) ensures that degraded backends are marked unhealthy faster. Since backend CPU/memory is low, the issue is not capacity; it's health detection accuracy. Increasing probe intervals would delay failure detection. Connection draining helps with graceful shutdowns but doesn't address the root cause. The SKU change is unnecessary since the backend servers are responding.

The question asks what resource should be created first to enable apps on VM1 to resolve the IP address of another resource. The question text appears incomplete - the resource being resolved is not specified (it says 'What should you create first?' but doesn't complete the sentence indicating what VM1 needs to resolve).

However, based on the question showing a table of resources (which is not provided), this likely involves enabling DNS resolution for resources on a virtual network.

Typical DNS resolution resources in Azure (in order of creation):

1. Private DNS Zone - Usually created first if you need custom DNS resolution within the VNet
2. Virtual Network Link - Links the private DNS zone to the VNet so VMs can resolve names
3. DNS Records (A, CNAME, etc.) - Add specific records for resources to be resolved

Most likely answer: Private DNS Zone - This is typically the first resource to create for custom DNS resolution within Azure virtual networks.

Without the complete question and resource table, I cannot provide a definitive answer. However, if VM1 needs to resolve any Azure resource by name, the prerequisite is creating a Private DNS Zone and linking it to the virtual network.

https://docs.microsoft.com/en-us/azure/private-link/private-endpoint-dns#on-premises-workloads-using-a-dns-forwarder

https://azure.microsoft.com/en-gb/blog/new-enhanced-dns-features-in-azure-firewall-now-generally-available/