350-501 Question #257: Real Exam Question with Answer & Explanation

The correct answer is C: protocol tcp. To complete the configuration for gRPC dial-out streaming telemetry on a Cisco ASR, the protocol tcp command is required under the relevant subscription or destination group. This command specifies that the gRPC connection will use TCP as its transport protocol for streaming data

Automation and Assurance

Question

Refer to the exhibit. A Cisco engineer is implementing gRPC dial-out on an ASR. Receiver 192.168 1.1 will be assigned one of the subscriptions, and it will manage the ASR. Which command is needed to complete the router configuration?

Options

Aprotocol grpc
Bprotocol all
Cprotocol tcp
Dprotocol any

Explanation

To complete the configuration for gRPC dial-out streaming telemetry on a Cisco ASR, the protocol tcp command is required under the relevant subscription or destination group. This command specifies that the gRPC connection will use TCP as its transport protocol for streaming data.

Common mistakes.

A. While gRPC is the application-layer protocol, protocol grpc is not the correct command for specifying the transport layer for dial-out telemetry.
B. protocol all is not a valid or appropriate command for specifying the transport protocol for gRPC dial-out in this context.
D. protocol any is not a valid command for specifying the transport protocol for gRPC dial-out.

Concept tested. gRPC dial-out streaming telemetry transport protocol

Reference. https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r7-1/telemetry/configuration/guide/b-telemetry-cg-asr9000-71x/streaming-telemetry-config.html

Topics

#gRPC Dial-out#Streaming Telemetry#Cisco IOS XR#Network Configuration

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