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easymultiple choiceObjective-mapped

You have an Azure virtual machine that hosts a web application. You need to allow inbound HTTP (80) and HTTPS (443) traffic from the internet to this VM only. You also need to allow outbound traffic to the internet from the VM. You want to use a managed Azure service with minimal configuration. What should you use?

Question 1easymultiple choice
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You have an Azure virtual machine that hosts a web application. You need to allow inbound HTTP (80) and HTTPS (443) traffic from the internet to this VM only. You also need to allow outbound traffic to the internet from the VM. You want to use a managed Azure service with minimal configuration. What should you use?

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

Distractor review

Azure Application Gateway

Application Gateway is a layer 7 load balancer with Web Application Firewall (WAF) capabilities. It does not manage outbound traffic and is unnecessary for the stated requirement for simple per-VM rules.

B

Distractor review

Azure Firewall

Azure Firewall is a stateful network firewall with advanced features. While it can perform this function, it is more complex and costly than needed for a single VM scenario.

C

Best answer

Network Security Group (NSG)

An NSG attached to the VM's subnet or NIC can allow inbound HTTP/HTTPS and default outbound internet access. It is simple, managed, and cost-effective.

D

Distractor review

Azure Bastion

Azure Bastion provides secure RDP/SSH access to VMs. It does not handle HTTP/HTTPS traffic or any outbound internet access.

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.

AZ-500 fundamentals practice questions

Practise AZ-500 questions linked to AZ-500 fundamentals.

AZ-500 scenario practice questions

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AZ-500 troubleshooting practice questions

Practise AZ-500 questions linked to AZ-500 troubleshooting.

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.

Question 1

A DevOps team wants Defender for Cloud to identify secrets exposed in GitHub repositories. What should be configured?

Question 2

A public web application should be protected from OWASP-style attacks and network-layer DDoS attacks. Which two Azure services are most relevant?

Question 3

A Sentinel scheduled rule runs every 5 minutes and looks back 1 hour. Analysts see repeated alerts for the same event. Which change best prevents duplicate detections without missing late-arriving logs?

Question 4

A SOC analyst needs a Sentinel query that detects multiple failed sign-ins followed by a successful sign-in for the same user. Which table is the best primary source?

Question 5

A Sentinel watchlist contains high-value administrator accounts. Which KQL pattern best uses it in a detection rule?

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: Network Security Group (NSG) — A Network Security Group (NSG) is a lightweight firewall that filters traffic at the subnet or NIC level. It can allow inbound HTTP/HTTPS from the internet and default outbound rules allow internet traffic, making it the simplest solution for this requirement.

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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