AZ-700 · Question #220
You have three on-premises networks. You have an Azure subscription that contains a Basic Azure virtual WAN. The virtual WAN contains a single virtual hub and a virtual network gateway that is…
The correct answer is D. Increase the number of gateway scale units. In Azure Virtual WAN, VPN gateway throughput is directly controlled by the number of 'gateway scale units' configured. Each scale unit provides approximately 500 Mbps of throughput, so to reach 3 Gbps you would configure 6 scale units. Increasing scale units requires no…
Question
You have three on-premises networks. You have an Azure subscription that contains a Basic Azure virtual WAN. The virtual WAN contains a single virtual hub and a virtual network gateway that is limited to a throughput of 1 Gbps. The on-premises networks connect to the virtual WAN by using Site-to-Site (S2S) VPN connections. You need to increase the throughput of the virtual WAN to 3 Gbps. The solution must minimize administrative effort. What should you do?
Options
- AUpgrade the virtual WAN to the Standard SKU.
- BAdd an additional VPN gateway to the Azure subscription.
- CCreate an additional virtual hub.
- DIncrease the number of gateway scale units.
How the community answered
(35 responses)- A6% (2)
- B3% (1)
- C14% (5)
- D77% (27)
Explanation
In Azure Virtual WAN, VPN gateway throughput is directly controlled by the number of 'gateway scale units' configured. Each scale unit provides approximately 500 Mbps of throughput, so to reach 3 Gbps you would configure 6 scale units. Increasing scale units requires no architectural changes and is the least administrative effort. Option A (upgrading to Standard SKU) would change the Virtual WAN type and unlock additional features, but it does not directly increase VPN gateway throughput the way scale units do, and it involves more administrative work. Option B (adding another VPN gateway) is not supported in Virtual WAN - each hub has one gateway. Option C (adding a virtual hub) would distribute load but increases complexity and cost significantly. Adjusting scale units is the purpose-built, minimal-effort mechanism for throughput scaling.
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