Question 1hardmulti select
Full question →hardmulti selectObjective-mapped
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?
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
Enable public IP addresses on all workload VMs
Public IPs increase exposure and are not needed for forced-tunnel outbound inspection.
B
Best answer
Peer each spoke VNet with the hub VNet
VNet peering provides private connectivity between hub and spokes.
C
Best answer
Associate a route table to spoke subnets with a default route to the firewall private IP
A UDR forces outbound traffic from spokes through the firewall.
D
Distractor review
Deploy a NAT gateway in every spoke subnet
NAT gateways would bypass the central firewall design for outbound traffic.
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 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 2
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 3
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 4
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 5
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?
Question 6
A company is deploying a web application on Azure App Service. They need to guarantee that all traffic from the internet goes through a Web Application Firewall (WAF) before reaching the app. The solution must be cost-effective for a single application. Which Azure service should they place in front of the App Service?
FAQ
Questions learners often ask
What does this AZ-305 question test?
CIDR notation defines the prefix length.
What is the correct answer to this question?
The correct answer is: Peer each spoke VNet with the hub VNet — Hub-and-spoke inspection requires connectivity to the hub and routing from spokes to the firewall.
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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