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Exam AZ-700 topic 1 question 6 discussion

Actual exam question from Microsoft's AZ-700
Question #: 6
Topic #: 1
[All AZ-700 Questions]

HOTSPOT -
You need to connect an on-premises network and an Azure environment. The solution must use ExpressRoute and support failing over to a Site-to-Site VPN connection if there is an ExpressRoute failure.
What should you configure? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
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Suggested Answer:
by SrikanthDharmadasu at April 22, 2022, 6:02 a.m.

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nawere
Highly Voted 3 years, 1 month ago
The correct answer is route based and two virtual network gateways - one for ExpressRoute connection (ExpressRoute virtual network gateway) and the second for the VPN connection (VPN virtual network gateway). Check the architecture and read the description at the source. Source: https://docs.microsoft.com/en-us/azure/architecture/reference-architectures/hybrid-networking/expressroute-vpn-failover
upvoted 102 times
lasmas
3 years, 1 month ago
how about this? https://docs.microsoft.com/en-us/azure/expressroute/expressroute-howto-coexist-resource-manager maybe 1 is correct as via powershell you can do it
upvoted 1 times
manhattan
8 months ago
powershell script example creates another Virtual network gateway anyway and speaks about coexistance, I don't think you can create a VNG suitable for both Expressrote and VPN, so you need two.
upvoted 2 times
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jellybiscuit
2 years, 9 months ago
The doc is correct. You are misreading it. "If you have a virtual network that has only one virtual network gateway (let's say, Site-to-Site VPN gateway) and you want to add another gateway of a different type (let's say, ExpressRoute gateway), " Another gateway of a different type. Two total.
upvoted 10 times
manny72
10 months, 2 weeks ago
Yes, coexistence in the same subnet, so 1 gateway subnet but 2 separate gateways.
upvoted 2 times
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NotBillGates
3 years ago
No, that just means you can have an ExpressRoute gateway and a virtual network gateway in the same subnet, hence the term co-existence, they co-exist together. ExpressRoute Gateways don't provide S2S, hence, you need two.
upvoted 3 times
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rac_sp
2 years, 11 months ago
This is correct and I did a lab that worked really fine with this architecture
upvoted 2 times
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Libaax01
2 years, 3 months ago
You are 100 Percent! correct, in a Virtual Network (VNET) you can have two Gateways. - One VPN Gateway - One Express Route Gateway
upvoted 2 times
Libaax01
2 years, 3 months ago
in the question, they asked "The solution must use ExpressRoute(Express Route Gateway) and support failing over to a Site-to-Site VPN(VPN Gateway) so a total of two Network Virtual Gateways are required.
upvoted 2 times
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MightyMonarch74
2 years, 4 months ago
all you have to do is look at the architecture diagram at https://docs.microsoft.com/en-us/azure/architecture/reference-architectures/hybrid-networking/expressroute-vpn-failover This confirms 1 ER gateway and 1 VPN gateway (both in the gateway subnet)
upvoted 5 times
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a250fb0
Most Recent 4 months, 4 weeks ago
Routing Type: Use Route-based routing. Route-based VPNs are required for dynamic routing with BGP, which is essential for supporting failover between ExpressRoute and Site-to-Site VPN. Number of Virtual Network Gateways: You need to configure two virtual network gateways: One ExpressRoute gateway for the primary connection. One VPN gateway for the Site-to-Site VPN failover
upvoted 1 times
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DPK11
5 months ago
- route based - one virtual network gateways You should configure coexistence of ExpressRoute and Site-to-Site VPN https://learn.microsoft.com/en-us/azure/expressroute/how-to-configure-coexisting-gateway-portal
upvoted 2 times
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Wearsy
9 months, 1 week ago
S2S & ExpressRoute gateways are separate entities. You need to create 2 of them for this configuration as per: https://docs.microsoft.com/en-us/azure/expressroute/expressroute-howto-coexist-resource-manager The pages also confirm that you can have only 1 gateway of each type, which strongly suggests that you cannot use one for both S2S & ExpressRoute: https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-about-vpngateways#:~:text=available%20gateway%20bandwidth.-,What%20is%20a%20virtual%20network%20gateway%3F,and%20run%20specific%20gateway%20services. https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-about-vpn-gateway-settings#gwtype
upvoted 1 times
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Jamesat
9 months, 1 week ago
The answer is Route Based and 2 Virtual Network Gateways. Both the Expressroute and VPN need distinct gateways identified by their SKU. You cannot have Expressroute on a VpnGw SKU. It must be on a dedicated ExpressRoute SKU gateway. Both VPN Gateways will exist inside the same subnet but the connection are via 2 separate gateways. This doc clearly shows the step of create 2 gateways. https://docs.microsoft.com/en-us/azure/expressroute/expressroute-howto-coexist-resource-manager Step 10: $gw = New-AzVirtualNetworkGateway -Name "ERGateway" -ResourceGroupName $resgrp.ResourceGroupName -Location $location -IpConfigurations $gwConfig -GatewayType "ExpressRoute" -GatewaySku Standard
upvoted 4 times
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Gambito11
9 months, 2 weeks ago
The correct answer for me is routed based and 2. Create the site-to-site VPN gateway and local network gateway ---- https://learn.microsoft.com/en-us/azure/expressroute/how-to-configure-coexisting-gateway-portal
upvoted 1 times
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voldemort123
1 year, 9 months ago
Expressroute GW and VPN GW are types of virtual network gateways. For co existence they carved out of GatewaySubnet (min /27). So the question asks how many virtual network gateways -- which is 2 -- one ExR and one VPN.
upvoted 1 times
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lzariqi
1 year, 10 months ago
All Answers are incorrect. You can have Express Route and VPN on the same Virtual Network Gateway. It depends only on the SKU what you choose.
upvoted 1 times
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skkk
1 year, 10 months ago
The correct answer is need route based and two virtual network gateways
upvoted 2 times
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Jamezz
2 years ago
in real life, we did route base and 2 virtual network gateways.
upvoted 1 times
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henryhung
2 years, 2 months ago
Route-based 2 virtual network gateways From ChatGPT Plus (GPT-4) For this scenario, the routing type that should be configured is "Route-based" because it allows for more flexibility in routing and is recommended for ExpressRoute connections. As for the number of virtual network gateways, you should deploy 2 virtual network gateways for redundancy and failover purposes, one for the ExpressRoute connection and another for the Site-to-Site VPN connection. This is because a virtual network gateway can only be associated with one connection at a time. So, having two virtual network gateways allows you to switch between them if one of the connections fails.
upvoted 4 times
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Nibo
2 years, 3 months ago
its route based but you need two VNG https://learn.microsoft.com/en-us/azure/architecture/reference-architectures/hybrid-networking/expressroute-vpn-failover
upvoted 2 times
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mVic
2 years, 4 months ago
Route based and 2 Gateways of VPN and ExpressRoute type
upvoted 2 times
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TJ001
2 years, 5 months ago
Route based and 2 Gateways of VPN and ExpressRoute type
upvoted 4 times
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NoeHdzMll
2 years, 5 months ago
Route based and 2 Gateways, as you can see in the Powershell commands to coexist $gw = New-AzVirtualNetworkGateway -Name "VPNGateway" -ResourceGroupName $gw = New-AzVirtualNetworkGateway -Name "ERGateway" -ResourceGroupName
upvoted 1 times
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jozamaymen
2 years, 5 months ago
Correct answer: You choose a Route-based when you create a VNG. Then in VNG you can add multi connection (S2S) and another one with ExpressRoute. No need to new VNG.
upvoted 1 times
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varundhiman
2 years, 6 months ago
Correct Answer is route Based and 2 Gateway S2S gateway and ER Gateway. Though you can use the same gateway subnet for both of them.
upvoted 1 times
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