- A
Disable public network access on the AI resource
To enforce private endpoint, public access must be disabled.
- B
Create the private endpoint in a subnet of a virtual network
Private endpoint must be in a subnet.
- C
Configure an Azure Firewall rule to allow the private endpoint
Why wrong: Firewall rules are not needed for private endpoint connectivity.
- D
Create a private DNS zone for the resource
Why wrong: Private DNS zone is optional; you can use Azure-provided DNS.
- E
Add a service tag to the network security group
Why wrong: Service tags are for network security rules, not required for private endpoints.
Question 124 of 993
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 choices
Why each option matters
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
To enable private endpoint connectivity for an Azure AI Language resource, you must disable public network access on the AI resource (Option A) to ensure all traffic goes through the private endpoint. You also need to create the private endpoint in a subnet of a virtual network (Option B) to establish the private connection. Option C is not required because Azure Firewall rules are not needed for private endpoints; network policies are handled by NSG and UDR. Option D is incorrect because a private DNS zone is optional but not required—it is recommended for name resolution but not a requirement. Option E is wrong because service tags are not required for private endpoints; they are used for public network access rules.
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.
Related concept
CIDR notation defines the prefix length.
- ✓
Create the private endpoint in a subnet of a virtual network
Why this is correct
Private endpoint must be in a subnet.
Related concept
CIDR notation defines the prefix length.
- ✗
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.
Visual reference
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.
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Plan and manage an Azure AI solution — study guide chapter
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FAQ
Questions learners often ask
What does this AI-102 question test?
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 — To enable private endpoint connectivity for an Azure AI Language resource, you must disable public network access on the AI resource (Option A) to ensure all traffic goes through the private endpoint. You also need to create the private endpoint in a subnet of a virtual network (Option B) to establish the private connection. Option C is not required because Azure Firewall rules are not needed for private endpoints; network policies are handled by NSG and UDR. Option D is incorrect because a private DNS zone is optional but not required—it is recommended for name resolution but not a requirement. Option E is wrong because service tags are not required for private endpoints; they are used for public network access rules.
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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Last reviewed: Jun 20, 2026
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