350-501 Automation and Assurance Practice Question
Which THREE components are required for model-driven telemetry with gRPC? (Choose three.)
⚠ Common exam trap
Cisco often tests the distinction between dial-in (NETCONF/RESTCONF) and dial-out (gRPC) telemetry, and candidates mistakenly think a NETCONF session or SNMP trap is part of the gRPC telemetry stack, but they are separate protocols with different transport and data models.
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
✓
YANG data model
YANG data models (C) are required because they define the structure and semantics of the telemetry data being streamed. gRPC uses YANG as its schema language to encode data in Protocol Buffers (protobuf) or JSON format, ensuring the receiver can parse and interpret the telemetry information correctly.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
SNMP trap receiver
Why it's wrong here
SNMP traps are not part of gRPC telemetry.
- ✗
NETCONF session
Why it's wrong here
gRPC telemetry does not use NETCONF.
- ✓
YANG data model
Why this is correct
Defines the data to be streamed.
- ✓
gRPC dial-out from the network device
Why this is correct
Device pushes data to the receiver.
- ✓
Telemetry receiver
Why this is correct
Collects the streamed data.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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