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300-410 Practice Question: The default metric value assigned to…
What is the default metric value assigned to redistributed routes into IS-IS when no metric is specified?
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
✓
0
By default, Cisco IOS assigns a metric of 0 to routes redistributed into IS-IS, which can cause suboptimal routing if not modified.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
0
Why this is correct
IS-IS uses a default metric of 0 for redistributed routes, requiring manual configuration to set a meaningful metric.
- ✗
10
Why it's wrong here
10 is not the default; it is a common manually configured metric.
- ✗
20
Why it's wrong here
20 is the default for OSPF redistribution, not IS-IS.
- ✗
63
Why it's wrong here
63 is the maximum metric value in narrow IS-IS, not the default.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 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 300-410 exam.