Cisco 642-901 Exam Information and Actual Questions
- Exam Code/Number: 642-901
- Exam Name/Title: Building Scalable Cisco Internetworks
- Certification Provider: Cisco
- Corresponding Certification: CCNP
- Exam Questions: 499
- Updated On: Jul 23, 2026
642-901
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Cisco
642-901 Exam
Building Scalable Cisco Internetworks
This exam has been stopped to register, new exam code replace: 642-902
Cisco 642-901 Exam Overview:
| Certification Vendor: | Cisco |
| Exam Name: | Building Scalable Cisco Internetworks (BSCI) |
| Exam Number: | 642-901 |
| Available Languages: | English, Japanese |
| Exam Price: | $225 USD |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 50-60 |
| Passing Score: | 776 / 1000 |
| Related Certifications: | CCNA (prerequisite) CCIE Routing & Switching Written |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple Choice, Drag-and-Drop, Testlet, Simulation |
| Recommended Training: | CCNP BSCI Official Exam Certification Guide Building Scalable Cisco Internetworks (BSCI) v3.0 |
| Exam Registration: | Pearson VUE (Retired) |
| Sample Questions: | Cisco 642-901 Sample Questions |
| Exam Way: | In-person proctored exam at Pearson VUE test centers (retired) |
| Pre Condition: | Valid CCNA certification or equivalent knowledge and experience |
| Official Syllabus URL: | Retired exam, no longer available on Cisco official site |
Cisco 642-901 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Routing Manipulation and Optimization | 5% | - Policy-based routing - Route redistribution between protocols - Route filtering and administrative distance |
| Topic 2: IPv6 Routing | 10% | - IPv6 addressing and architecture - IPv6 transition mechanisms - EIGRP for IPv6 - OSPFv3 protocol and configuration |
| Topic 3: Advanced IP Addressing | 15% | - Route summarization and aggregation - Hierarchical IP addressing - Classless Inter-Domain Routing (CIDR) |
| Topic 4: Implementing EIGRP | 20% | - EIGRP route manipulation - EIGRP stub routing and authentication - EIGRP concepts and DUAL algorithm - EIGRP configuration and verification |
| Topic 5: Implementing BGP | 15% | - BGP concepts and autonomous systems - BGP route control and policy - BGP path attributes and route selection - IBGP and EBGP configuration |
| Topic 6: Implementing Multiarea OSPF | 25% | - OSPF troubleshooting - Multiarea OSPF design and configuration - OSPF authentication and route filtering - OSPF fundamentals and link-state database - Stub, Totally Stub, and NSSA areas |
| Topic 7: Integrated IS-IS | 10% | - IS-IS network types and levels - IS-IS routing protocol overview - Basic IS-IS configuration and verification |
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