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Exam AZ-303 topic 5 question 19 discussion

Actual exam question from Microsoft's AZ-303

Question #: 19
Topic #: 5

HOTSPOT -
You have Azure subscription that contains a virtual network named VNet1. VNet1 uses an IP address space of 10.0.0.0/16 and contains the subnets in the following table.

Subnet1 contains a virtual appliance named VM1 that operates as a router.
You create a routing table named RT1.
You need to route all inbound traffic to VNet1 through VM1.
How should you configure RT1? 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 IHensch at Jan. 3, 2021, 11:45 a.m.

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azurecert2021

Highly Voted 4 years, 4 months ago

given answer is correct 1. Address Prefix 10.0.0.0/16 - Because routing table will be applied to this VNET. 2. Next hop type "Virtual appliace" - because as mentioned in ques all inbound traffic must be routed through VM1 which will act as virtual appliance 3. Assigned to "Gateway Subnet" - because all incoming traffic to this vnet will first hit the Gateway which is in gateway subnet.

upvoted 63 times

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Stephan99

Highly Voted 4 years, 5 months ago

Answers are correct. https://docs.microsoft.com/en-us/learn/modules/control-network-traffic-flow-with-routes/6-exercise-route-traffic-through-nva

upvoted 10 times

mikCh

4 years, 1 month ago

the prefix is 10.0.1.0/24 according to this link, not 10.0.0.0/16, doesn't that indicate the given answer for the first box is incorrect?

upvoted 1 times

SupraAzure

3 years, 10 months ago

The address prefix in the link is 10.0.1.0/24 because there the situation is different than this question though the concept is same. In this question it is mentioned the incoming traffic to the entire vnet and a gatewaysubnet is present which means all incoming traffic will come via the gatewaysubnet. Therefore the route table configuration in the answer is correct.

upvoted 1 times

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sachinp2305

Most Recent 3 years, 2 months ago

Given answer is correct -Appeared in today's exam 29 March 2022

upvoted 1 times

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itvinoth83

3 years, 2 months ago

Appeared in exam on 28-03-2022

upvoted 1 times

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kristhiank

3 years, 3 months ago

On exam today, passed

upvoted 1 times

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shree178

3 years, 3 months ago

On exam today 19-2-2022.. Passed with 871.

upvoted 2 times

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plmmsg

3 years, 5 months ago

Address prefix 10.0.0.0/16 Next hop type is virtual appliance GW subnet

upvoted 1 times

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syu31svc

3 years, 9 months ago

"all inbound traffic to VNet1" -> address prefix is 10.0.0.0/16 "virtual appliance named VM1" -> next hop type is virtual applicance "inbound traffic" -> gateway subnet

upvoted 4 times

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kumarts

3 years, 9 months ago

Answer is correct, kindly refer https://www.examtopics.com/discussions/microsoft/view/39002-exam-az-104-topic-4-question-1-discussion/

upvoted 2 times

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azurellc

4 years ago

On exam 5/15/2021

upvoted 6 times

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demonite

4 years, 3 months ago

Given answer is correct. Address prefix:10.0.0.0/16, route all traffic to vnet Next hop: NVA Assigned to: GratewaySubnet, you have to ask yourself where could all traffic be coming from based on the details. The only possible source in this case can be via a VPN.

upvoted 3 times

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H_L

4 years, 4 months ago

This question is either wrong or the answer for part 3 is wrong. question is saying that NVA is created in SubNet1 not in GatewaySub. So why is'nt subnet1 listed in options? or we are assuming all incoming traffic will always be coming through just because we created a Gateway sub net?

upvoted 1 times

pentium75

3 years, 11 months ago

Where the NVA is doesn't matter. Route Table must be in the subnet where the traffic originates.

upvoted 1 times

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whoisthis

4 years, 3 months ago

Cant understand why all incoming traffic will get routed to GatewaySubnet?

upvoted 1 times

pentium75

3 years, 11 months ago

Because GatewaySubnet is a mandatory part of VPN or ExpressRoute gateway, thus any traffic coming through a gateway comes from GatewaySubnet.

upvoted 1 times

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IHensch

4 years, 5 months ago

Address prefix: 10.0.1.0/24 Next hop Type: Virtual network Assigned to: GatwaySubnet Traffic comes from GatwaySubnet over Subnet1 (10.0.1.0/24) to VM1 and VM1 route the traffic to other Subnets. In the given solution the traffic comes from GatwaySubnet to an appliance that's not specified!

upvoted 2 times