Question 1easymultiple choice
Full question →easymultiple choiceObjective-mapped
A security team needs to analyze network traffic to and from Azure virtual machines to investigate a potential security incident. They want to capture information such as source IP, destination IP, port, and protocol. Which Azure service should they enable on the network security groups (NSGs) associated with the virtual machine subnets?
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
Network Watcher NSG flow logs
NSG flow logs record all traffic allowed or denied by the NSG, providing the detailed data needed for investigation.
B
Distractor review
Azure Monitor logs
Azure Monitor logs collect metrics and logs from various resources, but not specifically IP flow data from NSGs.
C
Distractor review
Traffic Analytics
Traffic Analytics is an add-on that visualizes NSG flow logs; it does not capture the data itself.
D
Distractor review
Azure Firewall logs
Azure Firewall logs capture traffic through the firewall, but the VMs may not use the firewall, and NSG logs are needed for the subnet level.
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.
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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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 Watcher NSG flow logs — Network Watcher NSG flow logs capture IP traffic information including source/destination IPs, ports, and protocols. Traffic Analytics uses these flow logs for visual analysis but is not the primary capture tool. Azure Monitor logs and Azure Firewall logs serve different purposes.
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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