AZ-104 Study Guide + Practice
Short notes + common traps + quick practice. Then validate with the mini test.
Quick answers
- Read notes → do 10 questions → review mistakes immediately.
- Write 1 rule per mistake (symptom → cause → fix / concept → example).
- Repeat within 24–48 hours to lock it in.
- When accuracy is stable, switch to timed simulator practice.
This AZ-104 guide focuses on the networking building blocks you must recognize in scenarios: VNets/subnets, NSGs, and routing (UDR).
Fast mental model: VNet/subnet = where resources live, NSG = traffic rules, route table = where packets go next.
Do the mini quiz to validate. Then continue in PrepMaster for offline packs, timed practice, and detailed explanations.
Free Practice Test
10 random questions from the AZ-104 Study Notes: VNets, Subnets, NSGs & Routing Basics + Mini Quiz bank. Instant feedback.
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- You want a quick baseline: 10-question mini test
- You plan to practice offline with packs in the app
- You want explanations + exam-style timed mode
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Study notes (fast guide)
Use these notes as a short explanation layer — then prove it with questions. The mini test above is the fastest feedback loop.
- VNet + subnets: address space and segmentation basics
- NSG: inbound vs outbound rules, priority order, allow/deny logic
- NIC vs subnet NSG (high-level): where rules can be applied
- Route tables (UDR): forcing traffic to firewall/NVA, default routes concept
- Common issues: wrong NSG rule, missing route, wrong subnet association
- Troubleshooting flow: validate NSG → validate routing → validate DNS/service endpoints (high-level)
Topics & Skills Covered
- VNet + subnets: address space and segmentation basics
- NSG: inbound vs outbound rules, priority order, allow/deny logic
- NIC vs subnet NSG (high-level): where rules can be applied
- Route tables (UDR): forcing traffic to firewall/NVA, default routes concept
- Common issues: wrong NSG rule, missing route, wrong subnet association
- Troubleshooting flow: validate NSG → validate routing → validate DNS/service endpoints (high-level)
Helpful Free Tools
Frequently Asked Questions
What blocks traffic most often in AZ-104 scenarios?
An NSG deny rule (or missing allow) and wrong association (subnet/NIC) are the most common causes.
When do I need a route table (UDR)?
When you must force traffic through a specific hop (firewall/NVA) instead of the default system routing.
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