- A
Named mode uses the 'router eigrp <name>' command to enter configuration mode.
Correct because named mode starts with 'router eigrp <name>', where <name> is a case-sensitive tag.
- B
In named mode, the network statement is replaced by the 'af-interface' configuration under the address family.
Why wrong: Incorrect because named mode still uses the 'network' command under the address family, though 'af-interface' is used for per-interface tuning.
- C
Named mode supports both IPv4 and IPv6 address families within the same EIGRP process.
Correct because named mode allows multiple address families (IPv4, IPv6) under a single process.
- D
The 'address-family ipv4' command is used to enter IPv4 configuration under named mode.
Correct because after 'router eigrp <name>', you use 'address-family ipv4' to configure IPv4 EIGRP.
- E
Named mode requires the 'no shutdown' command under the address family to enable EIGRP.
Why wrong: Incorrect because named mode does not require 'no shutdown'; EIGRP is enabled by default when the address family is configured.
Quick Answer
The answer is that the 'address-family ipv4' command is used to enter IPv4 configuration under named mode. This is correct because EIGRP named mode introduces a hierarchical configuration structure under a single router process, where address families like IPv4 and IPv6, along with VRFs, are configured separately. Unlike classic mode, which uses separate router processes for each protocol, named mode consolidates all EIGRP settings into one process, allowing per-interface parameters and simplifying overall configuration. On the ENCOR 350-401 exam, this topic tests your understanding of modern EIGRP deployment, often appearing in multiple-choice questions that ask you to identify true statements about named mode. A common trap is confusing the 'network' statement placement—in named mode, it falls under the address-family, not the global router config. Remember the mnemonic: “Name it, then frame it”—first the named process, then the address-family to frame your networks.
CCNP EIGRP Practice Question
This 350-401 practice question tests your understanding of eigrp. 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 three statements about EIGRP named mode configuration 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
Named mode uses the 'router eigrp <name>' command to enter configuration mode.
EIGRP named mode uses a hierarchical configuration under a single router process, supporting address families (IPv4, IPv6) and VRFs. It simplifies configuration and allows per-interface settings.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Named mode uses the 'router eigrp <name>' command to enter configuration mode.
Why this is correct
Correct because named mode starts with 'router eigrp <name>', where <name> is a case-sensitive tag.
Related concept
Authentication checks who the user is.
- ✗
In named mode, the network statement is replaced by the 'af-interface' configuration under the address family.
Why it's wrong here
Incorrect because named mode still uses the 'network' command under the address family, though 'af-interface' is used for per-interface tuning.
- ✓
Named mode supports both IPv4 and IPv6 address families within the same EIGRP process.
Why this is correct
Correct because named mode allows multiple address families (IPv4, IPv6) under a single process.
Related concept
Authentication checks who the user is.
- ✓
The 'address-family ipv4' command is used to enter IPv4 configuration under named mode.
Why this is correct
Correct because after 'router eigrp <name>', you use 'address-family ipv4' to configure IPv4 EIGRP.
Related concept
Authentication checks who the user is.
- ✗
Named mode requires the 'no shutdown' command under the address family to enable EIGRP.
Why it's wrong here
Incorrect because named mode does not require 'no shutdown'; EIGRP is enabled by default when the address family is configured.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Trap categories for this question
Command / output trap
Incorrect because named mode still uses the 'network' command under the address family, though 'af-interface' is used for per-interface tuning.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
- Authentication checks who the user is.
- Authorization controls what the user is allowed to do after login.
- Privilege levels affect access to EXEC and configuration commands.
- AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
- Do not assume successful login means full administrative access.
- Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
- Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Real-world example
How this comes up in practice
A practitioner preparing for the 350-401 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. Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access. 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.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related 350-401 questions on access control and AAA configuration.
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FAQ
Questions learners often ask
What does this 350-401 question test?
EIGRP — This question tests EIGRP — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: Named mode uses the 'router eigrp <name>' command to enter configuration mode. — EIGRP named mode uses a hierarchical configuration under a single router process, supporting address families (IPv4, IPv6) and VRFs. It simplifies configuration and allows per-interface settings.
What should I do if I get this 350-401 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related 350-401 questions on access control and AAA configuration.
What is the key concept behind this question?
Authentication checks who the user is.
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Last reviewed: Jun 18, 2026
This 350-401 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-401 exam.
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