AZ-305 Design infrastructure solutions Practice Question
This AZ-305 practice question tests your understanding of design infrastructure solutions. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
A company needs to provide secure remote administration access to Azure virtual machines for their IT team. The VMs are in a virtual network with no public IP addresses. The IT team uses browsers to connect. The solution should not require any custom software on the client machines. Which Azure service should they use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure Bastion
Azure Bastion provides secure, seamless RDP/SSH connectivity to Azure virtual machines directly in the Azure portal over TLS. Because the VMs have no public IP addresses, Bastion acts as a jump server that is deployed inside the virtual network, eliminating the need for any public exposure. Since the IT team uses browsers and cannot install custom software, Bastion's native browser-based HTML5 client meets the requirement perfectly.
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 Bastion
Why this is correct
Correct. Azure Bastion provides browser-based RDP/SSH connectivity without public IPs or client software.
Related concept
Read the scenario before looking for a memorised answer.
✗
Just-in-Time VM access
Why it's wrong here
JIT access temporarily opens ports to public IPs, which the scenario does not want. It also requires client software.
✗
Azure VPN Gateway
Why it's wrong here
VPNGateway requires a VPN client on the user's machine, which is not desired.
✗
Microsoft Entra ID Domain Services
Why it's wrong here
AD DS provides domain services but does not provide remote access to VMs.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Just-in-Time VM access (which still requires a public IP and a client) with Bastion's fully browser-based, no-public-IP solution, or they mistakenly think a VPNgateway provides browser-based RDP/SSH without client software.
Trap categories for this question
Scenario analysis trap
JIT access temporarily opens ports to public IPs, which the scenario does not want. It also requires client software.
Detailed technical explanation
How to think about this question
Azure Bastion provisions a fully managed PaaS service inside the virtual network, using a dedicated subnet called AzureBastionSubnet. It uses TLS 1.2+ to encrypt the session between the browser and the Bastion host, then forwards RDP (port 3389) or SSH (port 22) traffic to the target VM over the private network. A subtle but important behavior: Bastion does not support connecting to VMs that have a public IP assigned; it strictly requires private IP connectivity, which aligns with the 'no public IP' requirement.
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 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-305 question in full detail.
Design infrastructure solutions — This question tests Design infrastructure solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure Bastion — Azure Bastion provides secure, seamless RDP/SSH connectivity to Azure virtual machines directly in the Azure portal over TLS. Because the VMs have no public IP addresses, Bastion acts as a jump server that is deployed inside the virtual network, eliminating the need for any public exposure. Since the IT team uses browsers and cannot install custom software, Bastion's native browser-based HTML5 client meets the requirement perfectly.
What should I do if I get this AZ-305 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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