Question 1hardmultiple choice
Full question →hardmultiple choiceObjective-mapped
After a user-defined route and VNet peering were added, a VM in a spoke subnet still does not reach 10.20.4.8 as expected. You need to confirm which route Azure will actually select on that VM's NIC, including any propagated routes and the route that wins. Which Network Watcher tool should you use?
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
Connection troubleshoot
Connection troubleshoot tests end-to-end connectivity, but it does not show the NIC's selected route.
B
Best answer
Effective routes
Effective routes shows the routes applied to the NIC and which next hop Azure will use for the destination.
C
Distractor review
IP flow verify
IP flow verify is for NSG allow or deny decisions, not for route selection analysis.
D
Distractor review
Packet capture
Packet capture collects traffic for inspection, but it does not identify the selected routing entry.
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.
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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.
Question 1
A route table contains these entries: 10.0.0.0/8 with next hop Virtual appliance, and 10.1.1.0/24 with next hop Virtual network gateway. Which next hop will Azure use for traffic to 10.1.1.5?
Question 2
You are deploying a stateless web application on Azure virtual machines. The solution must automatically add and remove instances based on CPU demand and allow all instances to be managed as one logical group. Which Azure compute feature should you deploy?
Question 3
You are deploying a Windows Server VM for an internal app. The VM must support Secure Boot and vTPM later, its OS disk must survive host moves, and the team wants the lowest-cost managed disk tier that still behaves like a normal writable OS disk. Which two choices should you make? Select two.
Question 4
You need to deploy several identical virtual machines and ensure that the failure of a single Azure host does not affect all of them. Which feature should you use?
Question 5
You need to connect VNet-Hub and VNet-Spoke so that resources in both virtual networks can communicate privately over the Microsoft backbone. Both virtual networks are in the same region. What should you configure?
Question 6
You need to create a storage account that provides the lowest-cost redundant storage for non-critical data and only needs protection against local disk or server failure within a single datacenter. Which redundancy option should you choose?
FAQ
Questions learners often ask
What does this AZ-104 question test?
CIDR notation defines the prefix length.
What is the correct answer to this question?
The correct answer is: Effective routes — Effective routes is the right tool when you need to see the routing table as applied to a VM's NIC, including system, BGP-propagated, and user-defined routes. It is the best choice for verifying which next hop Azure will select for a given destination after changes such as peering or route table updates. This directly answers the question of route precedence and actual forwarding behavior. Why others are wrong: Connection troubleshoot checks whether a path works, but it does not explain route selection. IP flow verify is focused on NSG filtering decisions, not routing. Packet capture is useful for traffic analysis after the fact, but it does not show which route Azure chose. The key need here is route evaluation, so Effective routes is the correct tool.
What should I do if I get this AZ-104 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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