Question 1hardmultiple choice
Full question →hardmultiple choiceObjective-mapped
A company has multiple Azure virtual networks (VNets) in different regions and an on-premises data center connected via ExpressRoute. They need to implement a hub-and-spoke topology where a hub VNet hosts shared network virtual appliances (NVAs) for traffic inspection. All traffic between spokes and between spokes and on-premises must be routed through the hub. The company wants to minimize the administrative overhead of configuring and maintaining routing. Which Azure solution should they implement?
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
Use Azure Virtual WAN with a secured virtual hub.
Azure Virtual WAN provides a managed hub-and-spoke architecture with automatic routing. A secured virtual hub can integrate NVAs or Azure Firewall, and it handles transitive routing between spokes and on-premises without manual route tables or UDRs.
B
Distractor review
Use VNet peering with user-defined routes (UDRs) in each spoke and Azure Route Server.
While this is possible, it requires manual configuration and maintenance of UDRs in each spoke and managing BGP with Route Server, increasing administrative overhead.
C
Distractor review
Create a single large VNet and use network security groups (NSGs) to isolate traffic.
A single VNet does not scale well for cross-region connectivity and does not provide the necessary routing through NVAs without complex configuration.
D
Distractor review
Use Azure Firewall in the hub VNet and configure forced tunneling via custom routes.
Forced tunneling requires manual route configuration and does not automatically handle transitive routing between spoke VNets; it also requires careful management of routes.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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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 company is designing hub-and-spoke networking. Spoke VNets must use a central Azure Firewall for outbound internet traffic. Which two configurations are required?
Question 2
A company is designing private access to a PaaS database from workloads in a VNet. The database should not be reachable over its public endpoint. What should be recommended?
Question 3
A data platform must support analytical queries over petabytes of files in a data lake, while preserving hierarchical namespaces and fine-grained ACLs. Which storage service should you design around?
Question 4
A database workload has an RPO of 15 minutes and an RTO of 4 hours. Cost is more important than near-zero data loss. Which design is usually more appropriate than synchronous multi-region replication?
Question 5
A hub-and-spoke Azure network must centralize outbound inspection and still allow spokes to resolve private endpoint DNS names. Which two components are commonly required? (Choose 2.)
Question 6
A multinational company uses Microsoft Entra ID and several Azure subscriptions. Security administrators need to review privileged role assignments every month and require justification for continued access. Which design should be recommended?
FAQ
Questions learners often ask
What does this AZ-305 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Use Azure Virtual WAN with a secured virtual hub. — Azure Virtual WAN with a secured virtual hub provides a managed hub-and-spoke architecture with automatic routing. It handles transitive routing between spokes and on-premises without manual route tables or user-defined routes. VNet peering with UDRs and Route Server requires significant manual configuration. A single VNet does not scale across regions. Azure Firewall requires custom route propagation.
What should I do if I get this AZ-305 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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