350-501 Automation and Assurance Practice Question
Exhibit
Refer to the exhibit. ! Cisco IOS-XR telemetry configuration ! telemetry model-driven destination-group DGROUP1 address-family ipv4 10.1.1.100 port 57500 encoding json ! ! sensor-group SGROUP1 path openconfig-interfaces:interfaces state ! ! ! subscription SUB1 sensor-group-id SGROUP1 sample-interval 10000 destination-id DGROUP1 ! !
Refer to the exhibit. A telemetry subscription is configured on an IOS-XR router. The collector at 10.1.1.100 is not receiving data. Which configuration error is present?
⚠ Common exam trap
Cisco often tests the requirement for the 'protocol' keyword in the destination-group, as candidates may assume that specifying the IP and port alone is sufficient, overlooking this mandatory parameter.
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
✓
Missing 'protocol' specification in the destination-group
In IOS-XR telemetry, a destination-group must include the 'protocol' keyword (e.g., 'protocol grpc' or 'protocol tcp') to specify the transport protocol for the collector. Without this specification, the router does not know how to send the telemetry data, and the collector at 10.1.1.100 will not receive any data.
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 destination IP address is incorrect
Why it's wrong here
The exhibit shows a valid IPv4 address; there is no evidence it is incorrect.
- ✓
Missing 'protocol' specification in the destination-group
Why this is correct
The destination-group must include 'protocol grpc' or 'protocol tcp'; otherwise, no data is transmitted.
- ✗
The sample-interval is too short
Why it's wrong here
A sample interval of 10000 ms (10 seconds) is typical and should work.
- ✗
The subscription is not committed
Why it's wrong here
The configuration is shown as a complete block; it is assumed committed.
- ✗
The sensor-group path is invalid
Why it's wrong here
'openconfig-interfaces:interfaces state' is a valid path supported in IOS-XR.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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