AZ-700 Question 155
Single answerContoso plans to implement both a site-to-site VPN gateway and an ExpressRoute gateway in Azure. The VPN gateway must support up to 400 concurrent point-to-site (P2S) connections. The organization also requires up to 2 Gbps of dedicated bandwidth for its ExpressRoute connection. Which gateway scale unit combination should you select for each gateway type to meet these requirements?
- A
- VpnGw1 for the VPN gateway and ErGw1 for the ExpressRoute gateway
- B
- VpnGw2 for the VPN gateway and ErGw2 for the ExpressRoute gateway
- C
- VpnGw3 for the VPN gateway and ErGw1 for the ExpressRoute gateway
- D
- Basic VPN gateway and ErGw3 for the ExpressRoute gateway
Show answer and explanation
Correct answer: B
Explanation
When choosing scale units for Azure gateways, you must align the selected SKUs with the known throughput and connection requirements. In this scenario, the VPN gateway must support up to 400 concurrent P2S connections (which VpnGw2 can handle), while the ExpressRoute gateway must support 2 Gbps (which ErGw2 can provide). For more details, refer to the official documentation: � About VPN Gateway SKUs: https://learn.microsoft.com/azure/vpn-gateway/vpn-gateway-about-vpn-gateway-settings � About ExpressRoute gateway SKUs: https://learn.microsoft.com/azure/expressroute/expressroute-about-virtual-network-gateways
- A. Incorrect.
Option 1 (Incorrect): VpnGw1 supports up to 250 P2S connections, which would not be sufficient for the required 400 connections. ErGw1 has a maximum throughput of 1 Gbps, failing to meet the 2 Gbps requirement.
- B. Correct.
Option 2 (Correct): VpnGw2 supports up to 500 P2S connections, satisfying the 400-connection requirement, and ErGw2 can handle up to 2 Gbps for ExpressRoute, meeting the specified bandwidth need.
- C. Incorrect.
Option 3 (Incorrect): While VpnGw3 supports up to 500 P2S connections (which is sufficient), ErGw1 only provides 1 Gbps of throughput, which does not satisfy the 2 Gbps ExpressRoute requirement.
- D. Incorrect.
Option 4 (Incorrect): A Basic VPN gateway cannot reliably handle 400 P2S connections, and while ErGw3 supports up to 10 Gbps, it would be more expensive and unnecessary if you only need 2 Gbps.