Network monitoring
CoreAzure Network Watcher
Azure network diagnostic and visualization toolset.
Key points
- Azure-native network monitoring and diagnostic capability set.
- Includes tools for route, security-flow, topology, packet, and connection evidence where supported.
- Complements rather than replaces general Azure Monitor telemetry.
Best-known use cases
- Find the next hop selected for a VM flow.
- Determine whether an NSG would allow a specific packet.
What candidates often confuse it with
- Network Watcher vs Azure Monitor: network diagnostic state vs broad monitoring platform.
- Network Watcher vs Connection Monitor: capability family vs continuous path-testing feature.
Key takeaway
Use the Network Watcher capability that directly supplies the missing route, filter, packet, topology, or connection evidence.
Related services
- Azure route tables and effective routes
- Connection Monitor
Relevant exam tasks
- D4.1.S4 — Configure user-defined routes
- D4.1.S5 — Troubleshoot network connectivity
- D5.1.S6 — Use Azure Network Watcher and Connection monitor