The answer is Azure Private Endpoint. This networking service is correct because it assigns a private IP address from your virtual network directly to an Azure PaaS service, such as Azure SQL Database or Storage, enabling private access to PaaS services using a private IP without ever exposing traffic to the public internet. On the Microsoft Azure Fundamentals AZ-900 exam, this concept tests your understanding of how Azure Private Link underpins Private Endpoints to bring PaaS services securely into your VNet, ensuring all traffic stays within the Microsoft backbone network. A common trap is confusing Azure Private Endpoint with Service Endpoints—remember that Private Endpoints use a dedicated private IP, while Service Endpoints only extend your VNet’s identity over the public internet. For the exam, think of Private Endpoint as giving the PaaS service its own “room” inside your VNet, not just a hallway pass.
AZ-900 Describe Azure architecture and services Practice Question
This AZ-900 practice question tests your understanding of describe azure architecture and services. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which Azure networking service allows you to privately access Azure PaaS services from your virtual network using a private IP address?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure Private Endpoint
Azure Private Endpoint is correct because it assigns a private IP address from your virtual network to an Azure PaaS service (e.g., Azure SQL Database, Storage), enabling secure, private connectivity without traversing the public internet. This uses Azure Private Link to bring the service into your VNet, ensuring traffic stays within the Microsoft backbone network.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Azure Service Endpoint
Why it's wrong here
Service Endpoints extend VNet identity to Azure services but don't assign a private IP from the VNet.
✓
Azure Private Endpoint
Why this is correct
Private Endpoint gives Azure PaaS services a private IP from your VNet, keeping traffic on Microsoft's backbone.
Related concept
Read the scenario before looking for a memorised answer.
✗
Azure NAT Gateway
Why it's wrong here
NATGateway provides outbound internet connectivity; Private Endpoint provides private inbound access to PaaS.
✗
Azure VPN Gateway
Why it's wrong here
VPNGateway connects to on-premises over the internet; Private Endpoint connects to PaaS services privately.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is confusing Azure Service Endpoint with Private Endpoint; candidates often think Service Endpoint provides a private IP, but it only secures traffic to the service’s public endpoint via the Azure backbone, not a private IP address.
Detailed technical explanation
How to think about this question
Under the hood, Azure Private Endpoint creates a network interface (NIC) in your VNet with a private IP from your subnet, and traffic to the PaaS service is routed via Azure Private Link using RFC 1918 addresses, bypassing the service’s public endpoint entirely. This ensures data never leaves the Microsoft network, which is critical for compliance scenarios like HIPAA or GDPR where data exfiltration risks must be minimized. A subtle behavior: Private Endpoint supports both TCP and UDP traffic, but some PaaS services (e.g., Azure Key Vault) require specific DNS configuration to resolve the private IP instead of the public one.
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.
TExam Day Tips
→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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-900 question in full detail.
Describe Azure architecture and services — This question tests Describe Azure architecture and services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure Private Endpoint — Azure Private Endpoint is correct because it assigns a private IP address from your virtual network to an Azure PaaS service (e.g., Azure SQL Database, Storage), enabling secure, private connectivity without traversing the public internet. This uses Azure Private Link to bring the service into your VNet, ensuring traffic stays within the Microsoft backbone network.
What should I do if I get this AZ-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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