Exam AZ-700 topic 3 question 49 discussion

Actual exam question from Microsoft's AZ-700

Question #: 49
Topic #: 3

You plan to implement an Azure virtual network that will contain 10 virtual subnets. The subnets will use IPv6 addresses. Each subnet will host up to 200 load-balanced virtual machines.

You need to recommend a load balancing solution for the virtual network. The solution must meet the following requirements:

• The virtual machines and the load balancer must be accessible only from the virtual network.
• Costs must be minimized.

What should you include in the recommendation?

A. Basic Azure Load Balancer
B. Azure Application Gateway v1
C. Azure Standard Load Balancer
D. Azure Application Gateway v2

Show Suggested Answer

Suggested Answer: C 🗳️

by Lazylinux at Sept. 13, 2023, 11:29 p.m.

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Lazylinux

Highly Voted 1 year, 9 months ago

Selected Answer: C

I C You need LB at layer 4 and can support ipv6 and hence STD LB

upvoted 6 times

GBAU

1 year, 8 months ago

Basic LB supports IP6 https://learn.microsoft.com/en-us/azure/load-balancer/load-balancer-ipv6-overview However MS never let us learn to deploy a "Basic" anything so no doubt their answer is Standard, not to mention on September 30, 2025, Basic Load Balancer will be retired.

upvoted 3 times

xRiot007

2 months, 1 week ago

Basic is usually just to show you how it works. Commercial products have enhanced security, where most resources are hidden from the Internet, so in this case there is little chance to see a Basic LB there and much higher change to see a Standard one.

upvoted 1 times

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loopback00

1 year, 6 months ago

> load balancer must be accessible only from the virtual network therefore you need standard lb.

upvoted 1 times

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manhattan

Most Recent 5 months, 2 weeks ago

Selected Answer: C

C Standard https://learn.microsoft.com/en-us/azure/load-balancer/virtual-network-ipv4-ipv6-dual-stack-standard-load-balancer-powershell#create-a-load-balancer-rule Basic load balancer uses an IPv4 probe to assess health for both IPv4 and IPv6 endpoints on the VMs. Standard load balancer includes support for explicitly IPv6 health probes.

upvoted 1 times

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NSF2

1 year, 3 months ago

What is not clear in the question is, what type of traffic will be load balanced. I.e. whether its layer 4 or HTTP/S. Because App GW v2 also internally deployable, only to load balance intra VNET traffic, therefore D also could be a valid answer.

upvoted 1 times

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toto74500

1 year, 5 months ago

C Azure Standard LB because secure by default , closed to inbound flows unless allowed by an NSG group. Internal traffic from VNet to the internal LB is allowed

upvoted 2 times

Feliphus

7 months, 2 weeks ago

C. In this link https://learn.microsoft.com/en-us/azure/virtual-machine-scale-sets/virtual-machine-scale-sets-placement-groups explains the Standard LB can use large VMSS (to 1000 VMs) against the (normal) VMSS (100 VMs) and also it has a NSG associated to filter only inboudn traffic coming from the VNET. Futhermore, the stament doesn't say it's web traffic, so only option is C, if it would say web traffic it could be D as well.

upvoted 3 times

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