- A
Configure 'netconf-yang' under the 'router' configuration mode.
Why wrong: The 'netconf-yang' feature is enabled globally, not under router configuration mode.
- B
Issue the command 'netconf ssh' in global configuration mode.
This command enables the NETCONF SSH subsystem.
- C
Enable the 'netconf-yang' feature using the command 'netconf-yang' in global configuration mode.
This is the global command to enable the NETCONF/YANG feature set.
- D
Configure 'ip ssh version 2' to ensure SSH is available.
Why wrong: While SSHv2 is needed, this is a general SSH step, not specific to NETCONF.
- E
Issue the command 'netconf' in global configuration mode.
Why wrong: The 'netconf' command alone does not specify SSH transport; 'netconf ssh' is required.
Question 1,474 of 2,152
How to Enable NETCONF over SSH on Cisco IOS-XE Devices
This 300-410 practice question tests your understanding of device management. 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.
Which TWO configuration steps are required to enable NETCONF over SSH on a Cisco IOS-XE device? (Choose TWO.)
Quick Answer
The correct answer is to enable the 'netconf-yang' feature using the command 'netconf-yang' in global configuration mode, and to activate the NETCONF SSH subsystem with the command 'netconf ssh'. These two steps are required because NETCONF over SSH relies on the YANG data model support provided by the 'netconf-yang' feature, while the 'netconf ssh' command specifically binds the NETCONF subsystem to the SSH transport layer, allowing secure, structured device management. On the Cisco CCNP ENARSI 300-410 exam, this question tests your understanding of automation protocols and their implementation prerequisites, often appearing as a multiple-select item designed to trap candidates who confuse general SSH configuration with NETCONF-specific commands. A common mistake is selecting 'ip ssh' commands, which only enable SSH access, not the NETCONF subsystem. Remember the memory tip: "YANG first, then SSH" — always enable the feature before specifying the transport.
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
✓
Issue the command 'netconf ssh' in global configuration mode.
Option B is correct because 'netconf ssh' is the command that enables the NETCONF-over-SSH subsystem on a Cisco IOS-XE device, binding the NETCONF protocol to the SSH transport. Option C is correct because 'netconf-yang' in global configuration mode enables the NETCONF YANG data model service, which is a prerequisite for NETCONF operations. Both steps are required: the feature must be enabled, and the SSH transport must be explicitly configured.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Configure 'netconf-yang' under the 'router' configuration mode.
Why it's wrong here
The 'netconf-yang' feature is enabled globally, not under router configuration mode.
- ✓
Issue the command 'netconf ssh' in global configuration mode.
Why this is correct
This command enables the NETCONF SSH subsystem.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Enable the 'netconf-yang' feature using the command 'netconf-yang' in global configuration mode.
Why this is correct
This is the global command to enable the NETCONF/YANG feature set.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Configure 'ip ssh version 2' to ensure SSH is available.
Why it's wrong here
While SSHv2 is needed, this is a general SSH step, not specific to NETCONF.
- ✗
Issue the command 'netconf' in global configuration mode.
Why it's wrong here
The 'netconf' command alone does not specify SSH transport; 'netconf ssh' is required.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between enabling the NETCONF YANG service ('netconf-yang') and binding it to SSH ('netconf ssh'), leading candidates to mistakenly think only one command is needed or that 'netconf' alone is sufficient.
Trap categories for this question
Command / output trap
The 'netconf' command alone does not specify SSH transport; 'netconf ssh' is required.
Detailed technical explanation
How to think about this question
NETCONF over SSH uses the SSH protocol as a secure transport, as defined in RFC 6242. The 'netconf ssh' command configures the NETCONF subsystem within the SSH server, allowing NETCONF clients to initiate sessions via the 'netconf' subsystem name. The 'netconf-yang' command enables the YANG-based data modeling engine, which is necessary for the device to serve YANG models over NETCONF; without it, the NETCONF service will not start even if SSH transport is configured.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 300-410 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Device Management — study guide chapter
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FAQ
Questions learners often ask
What does this 300-410 question test?
Device Management — This question tests Device Management — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Issue the command 'netconf ssh' in global configuration mode. — Option B is correct because 'netconf ssh' is the command that enables the NETCONF-over-SSH subsystem on a Cisco IOS-XE device, binding the NETCONF protocol to the SSH transport. Option C is correct because 'netconf-yang' in global configuration mode enables the NETCONF YANG data model service, which is a prerequisite for NETCONF operations. Both steps are required: the feature must be enabled, and the SSH transport must be explicitly configured.
What should I do if I get this 300-410 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jul 4, 2026
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