This 350-401 practice question tests your understanding of model-driven telemetry. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An engineer configures gRPC dial-out telemetry on a Cisco IOS-XE device:
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It specifies the source IP address for the telemetry stream.
The 'source-address' command specifies the IP address that the device uses as the source IP when sending telemetry data to the receiver. This ensures that the receiver can identify the device and that the traffic is sourced from a specific interface.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
It specifies the IP address of the telemetry receiver.
Why it's wrong here
The receiver IP is specified in the 'receiver ip address' command.
✓
It specifies the source IP address for the telemetry stream.
Why this is correct
The source-address defines the IP address used as the source in the telemetry packets.
Related concept
Static NAT maps one inside address to one outside address.
✗
It enables the device to receive telemetry data from the receiver.
Why it's wrong here
This is a dial-out configuration, so the device sends data, not receives.
✗
It specifies the IP address of the network management station.
Why it's wrong here
The receiver is the management station, but this command sets the source, not the destination.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Trap categories for this question
Command / output trap
The receiver IP is specified in the 'receiver ip address' command.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 350-401 question in full detail.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 350-401 NAT questions on configuration and troubleshooting.
Model-Driven Telemetry — This question tests Model-Driven Telemetry — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: It specifies the source IP address for the telemetry stream. — The 'source-address' command specifies the IP address that the device uses as the source IP when sending telemetry data to the receiver. This ensures that the receiver can identify the device and that the traffic is sourced from a specific interface.
What should I do if I get this 350-401 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 350-401 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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