You have an SAP landscape on Azure that contains the virtual machines shown in the following table. You need to ensure that the Application Server role is available if a single Azure datacenter…

Question

Options

• Aa local network gateway
• BAzure Application Gateway v1
• CAzure Application Gateway v2
• DAzure Active Directory (Azure AD) Application Proxy

• A
  6% (3)
• B
  11% (6)
• C
  80% (43)
• D
  4% (2)

Explanation

Azure Application Gateway v2 supports availability zone redundancy, meaning it can be deployed across multiple Azure datacenters (zones) within a region. If a single datacenter fails, the gateway continues routing traffic to healthy SAP Application Server instances in surviving zones - making it the right tool to maintain availability.

Why the distractors are wrong:

• A (Local Network Gateway): This is a VPN/ExpressRoute connectivity component used to connect on-premises networks to Azure - it has nothing to do with application-layer availability or load balancing.
• B (Application Gateway v1): The v1 SKU does not support availability zones; it is tied to a single datacenter, so it would fail alongside that datacenter - defeating the entire purpose.
• D (Azure AD Application Proxy): This is used for securely publishing on-premises applications to remote users via the internet, not for datacenter-failure resilience.

Memory tip: Think "v2 = zones, v1 = one." Application Gateway v2 brought zone redundancy as its headline enterprise feature - anytime an Azure exam question mentions datacenter failure + Application Gateway, the answer is always v2, never v1.

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