The answer is creating the private endpoint in a subnet of a virtual network and disabling public network access. These two actions are required because a private endpoint must reside within a subnet of a VNet to establish a private IP connection to the Azure AI Language resource, while disabling public network access ensures that all traffic is forced through that private endpoint, eliminating exposure to the internet. On the Microsoft Azure AI Engineer Associate AI-102 exam, this question tests your understanding of secure networking for Azure AI services, often appearing as a multiple-select item where common traps include assuming a private DNS zone is mandatory (it is optional but recommended) or that service tags or firewall rules are required. To remember, think of the two non-negotiables: a home subnet for the endpoint and a locked front door for public access.
AI-102 Plan and manage an Azure AI solution Practice Question
This AI-102 practice question tests your understanding of plan and manage an azure ai solution. 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 TWO actions are required to enable private endpoint connectivity for an Azure AI Language resource?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Disable public network access on the AI resource
Private endpoint requires a subnet in a VNet and disabling public network access. Option A is wrong because private DNS zone is optional but recommended. Option D is wrong because service tags are not required. Option E is wrong because firewall rules are not needed.
Key principle: Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Disable public network access on the AI resource
Why this is correct
To enforce private endpoint, public access must be disabled.
Configure an Azure Firewall rule to allow the private endpoint
Why it's wrong here
Firewall rules are not needed for private endpoint connectivity.
✗
Create a private DNS zone for the resource
Why it's wrong here
Private DNS zone is optional; you can use Azure-provided DNS.
✗
Add a service tag to the network security group
Why it's wrong here
Service tags are for network security rules, not required for private endpoints.
Common exam traps
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.
Detailed technical explanation
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.
Key takeaway
Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related AI-102 subnetting questions on CIDR, address ranges, and subnet selection.
Plan and manage an Azure AI solution — This question tests Plan and manage an Azure AI solution — CIDR notation defines the prefix length..
What is the correct answer to this question?
The correct answer is: Disable public network access on the AI resource — Private endpoint requires a subnet in a VNet and disabling public network access. Option A is wrong because private DNS zone is optional but recommended. Option D is wrong because service tags are not required. Option E is wrong because firewall rules are not needed.
What should I do if I get this AI-102 question wrong?
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related AI-102 subnetting questions on CIDR, address ranges, and subnet selection.
What is the key concept behind this question?
CIDR notation defines the prefix length.
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Variation 1. You need to restrict access to an Azure AI Language resource so that only a specific virtual network can call the endpoint. Which configuration should you use?
easy
A.Rotate the shared access keys
✓ B.Enable a service endpoint or private endpoint for the resource
C.Assign a managed identity to the resource
D.Configure an IP firewall rule with the VNet's public IP range
Why B: Option B is correct because Azure AI Language resources can be isolated to a specific virtual network by enabling either a service endpoint (via the Microsoft.CognitiveServices service tag) or a private endpoint (using Azure Private Link). This configuration ensures that only traffic originating from the designated VNet can reach the resource's endpoint, effectively blocking all public internet access. Service endpoints provide a direct, optimized route from the VNet to the resource, while private endpoints assign a private IP from the VNet to the resource, making it accessible only within the VNet.
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Question Discussion
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