Question 958 of 1,840
mediumMultiple ChoiceObjective-mapped
350-401 EIGRP Named Mode Practice Question
Given the following EIGRP named mode configuration:
router eigrp TEST
address-family ipv4 unicast autonomous-system 100
network 10.0.0.0 0.255.255.255
topology base distance eigrp 90 170 exit-address-family
Which statement is true?
⚠ Common exam trap
A common trap is to think the network statement enables EIGRP on interfaces in named mode. It actually only influences route advertisement; candidates misapply classic mode behavior.
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
✓
The administrative distance for internal EIGRP routes is set to 90, and for external routes to 170.
The 'distance eigrp 90 170' command sets the administrative distance for internal EIGRP routes to 90 and for external routes to 170. Option B is incorrect because, in EIGRP named mode, the network statement does not enable EIGRP on interfaces; it only controls which networks are advertised. EIGRP is enabled on all interfaces by default. Options C and D are incorrect: the autonomous-system number in named mode can differ from the process ID in classic mode, and the 'topology base' command is mandatory.
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 administrative distance for internal EIGRP routes is set to 90, and for external routes to 170.
Why this is correct
Correct. The 'distance eigrp 90 170' command explicitly sets internal distance to 90 and external to 170.
- ✗
The network statement will enable EIGRP on all interfaces with an IP address starting with 10.
Why it's wrong here
Incorrect. In EIGRP named mode, the network statement does not enable EIGRP on interfaces; it only controls which networks are advertised. EIGRP is enabled on all interfaces by default.
- ✗
The autonomous-system number must match the process ID in classic mode.
Why it's wrong here
Incorrect. The autonomous-system number in named mode can differ from the process ID in classic mode.
- ✗
The 'topology base' command is optional and can be omitted.
Why it's wrong here
Incorrect. The 'topology base' command is mandatory in EIGRP named mode.
Quick reference
Routing Protocol Comparison
| Protocol | Metric | Max Hops | Algorithm | Type |
|---|---|---|---|---|
| RIP v2 | Hop count | 15 | Bellman-Ford | Distance vector |
| OSPF | Cost (bandwidth) | Unlimited | Dijkstra (SPF) | Link state |
| EIGRP | Composite metric | Unlimited | DUAL | Hybrid |
| IS-IS | Cost | Unlimited | Dijkstra | Link state |
| BGP | Policy / attributes | Unlimited | Path vector | Path vector |
RIP's 15-hop limit makes it unsuitable for large networks. OSPF and EIGRP dominate modern enterprise deployments.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jun 24, 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.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.