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350-401 Practice Question: Which three statements about configuring…
Which three statements about configuring model-driven telemetry on Cisco IOS-XE devices are true? (Choose three.)
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
✓
The 'telemetry' command enters the telemetry configuration submode, where subscriptions and sensor groups are defined.
On IOS-XE, telemetry is configured under the 'telemetry' submode. A subscription defines the destination (e.g., IP, port, protocol) and the sensor paths (YANG paths). Multiple sensor groups can be associated with one subscription. The 'update-policy' command sets the periodic interval. The 'receiver' command specifies the collector details. TLS is supported for secure dial-out connections.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The 'telemetry' command enters the telemetry configuration submode, where subscriptions and sensor groups are defined.
Why this is correct
Correct because 'telemetry' at global config mode enters the telemetry configuration context, where you can configure subscriptions, sensor groups, and receivers.
- ✓
A sensor group can contain multiple sensor paths, each referencing a YANG data model path.
Why this is correct
Correct because a sensor group under 'telemetry' can include multiple 'sensor-path' statements, each specifying a YANG path to collect data from.
- ✗
The 'update-policy' command is used to set the on-change trigger for a subscription.
Why it's wrong here
Incorrect because 'update-policy' is used to set the periodic sample interval (e.g., 'update-policy periodic 5000' for 5 seconds). On-change subscriptions are configured using the 'sensor-group' with 'on-change' keyword, not 'update-policy'.
- ✗
A single subscription can only have one sensor group and one receiver.
Why it's wrong here
Incorrect because a subscription can have multiple sensor groups (using 'sensor-group' multiple times) and multiple receivers (using 'receiver' multiple times) to send data to different collectors.
- ✓
The 'receiver' command specifies the destination IP address, port, and protocol (e.g., gRPC or TCP) for the telemetry stream.
Why this is correct
Correct because the 'receiver' command under a subscription defines the collector's IP, port, and transport protocol (e.g., 'receiver 10.1.1.1 50001 protocol grpc-tcp').
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