350-501 Architecture Practice Question
Which Cisco platform is best suited for the core/backbone role of a large service provider network, offering high scalability and MPLS forwarding capacity?
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
✓
Cisco CRS
Cisco CRS (Carrier Routing System) is designed for the core with high capacity and MPLS capabilities.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Cisco ASR 1000
Why it's wrong here
ASR 1000 is for enterprise edge/SMB, not SP core.
- ✓
Cisco CRS
Why this is correct
CRS is a high-end core router.
- ✗
Cisco ASR 9000
Why it's wrong here
ASR 9000 is typically used at aggregation/edge.
- ✗
Cisco NCS 5500
Why it's wrong here
NCS 5500 is used for aggregation and core, but CRS is more traditional core.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-501 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 350-501 exam.