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A company uses a hub-spoke network topology in Azure. They need to inspect and filter all traffic flowing between spoke virtual networks for security compliance. Which Azure-native service should be deployed in the hub virtual network to achieve this?

Question 1mediummultiple choice
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A company uses a hub-spoke network topology in Azure. They need to inspect and filter all traffic flowing between spoke virtual networks for security compliance. Which Azure-native service should be deployed in the hub virtual network to achieve this?

Full question →

Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

A

Best answer

Azure Firewall

Azure Firewall is the native managed firewall service that can inspect and filter traffic between virtual networks when deployed in a hub.

B

Distractor review

Network Virtual Appliance (NVA)

NVAs are third-party appliances; the question asks for an Azure-native service.

C

Distractor review

Azure VPN Gateway

VPN Gateway is for site-to-site or point-to-site connections, not for inspecting traffic between spoke VNets.

D

Distractor review

Azure Load Balancer

Load Balancer distributes incoming traffic but does not inspect or filter traffic between VNets.

Common exam trap

Common exam trap: usable hosts are not the same as total addresses

Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.

Technical deep dive

How to think about this question

Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.

KKey Concepts to Remember

  • CIDR notation defines the prefix length.
  • Block size helps identify subnet boundaries.
  • Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
  • The required host count determines the smallest suitable subnet.

TExam Day Tips

  • Write the block size before choosing the subnet.
  • Check whether the question asks for hosts, subnets or a specific address range.
  • Do not confuse /24, /25, /26 and /27 host counts.

Related practice questions

Related AZ-500 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

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More questions from this exam

Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.

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Question 2

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Question 4

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Question 5

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Question 6

A SOC wants a Sentinel rule to include account, host, and IP entities so analysts can pivot during investigation. What should be configured in the analytics rule?

FAQ

Questions learners often ask

What does this AZ-500 question test?

CIDR notation defines the prefix length.

What is the correct answer to this question?

The correct answer is: Azure Firewall — Azure Firewall is a managed, cloud-based network security service that provides stateful inspection of traffic. By deploying Azure Firewall in the hub VNet and configuring user-defined routes (UDRs) on spoke subnets to route inter-spoke traffic through the firewall, you can inspect all traffic. Network Virtual Appliances (NVAs) are third-party solutions, not Azure-native. VPN gateways only handle encrypted connections to on-premises or other clouds, not traffic inspection between spokes. Load balancers distribute traffic but do not inspect or filter.

What should I do if I get this AZ-500 question wrong?

Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.

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