Cisco 400-051 - CCIE Collaboration Written
- Exam Code: 400-051
- Exam Name: CCIE Collaboration Written
- Updated: Aug 06, 2026
- Q & A: 660 Questions and Answers
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Cisco 400-051 Exam Topics:
| Section | Weight Written | WeightLab | Objectives |
|---|---|---|---|
| Edge Services | 16% | 18% | 1 Implement and troubleshoot ISDN PRI gateways 2 Implement and troubleshoot SIP trunks in a multi-tenant environment 3 Implement and troubleshoot SIP normalization and SDP normalization 4 Implement and troubleshoot encrypted signaling and media on trunks 5 Implement and troubleshoot stateful box-to-box redundancy on CUBE (Cisco IOS-XE) 6 Implement and troubleshoot network and application level security on Cisco IOS-XE 7 Design, analyze, and troubleshoot firewall traversal in a Collaboration solution 8 Implement and troubleshoot Expressway Series traversal communications 9 Implement and troubleshoot Mobile and Remote Access (MRA) 10 Implement and troubleshoot network and application level security on Expressway Series 11 Implement and troubleshoot call routing for Spark hybrid services and Business-to-Business (B2B) calling 12 Implement and troubleshoot Spark hybrid service connectors and containers 13 Implement and troubleshoot third-party interoperability and federation |
| Infrastructure and Quality of Services | 10% | 11% | 1 Implement and troubleshoot network services 2 Troubleshoot layer 2 and layer 3 network connectivity issues 3 Identify key implications of running collaboration in a wireless environment 4 Design, implement, and troubleshoot Quality of Service for Collaboration applications and endpoints on LAN/WAN/WLAN (Cisco IOS-XE and AireOS) 5 Troubleshoot voice and video quality issues 6 Collect and analyze packet captures on Cisco Collaboration platforms 7 Design, implement, and troubleshoot Enhanced Locations Call Admission Control (ELCAC) 8 Design, implement, and troubleshoot Call Admission Control on CUBE 9 Describe APIC-EM integration with Cisco Collaboration solutions 10 Design, implement, and troubleshoot Collaboration applications in a virtualized environment |
| Endpoints, User Management, and Mobility | 10% | 10% | 1 Implement and troubleshoot hardware and software endpoint registration in a multi-cluster environment 2 Implement and troubleshoot mixed mode and Security By Default (SBD) on Unified CM 3 Implement collaboration endpoints and infrastructure using IPv6 4 Implement and troubleshoot endpoint features 5 Integrate and troubleshoot LDAP synchronization and authentication 6 Integrate and troubleshoot Single-Sign-On (SSO) 7 Implement and troubleshoot self-provisioning 8 Implement and troubleshoot mobility features 9 Implement and troubleshoot Extension Mobility Cross Cluster (EMCC) |
| Collaboration Applications | 10% | 13% | 1 Implement and troubleshoot on premise IM&P servers and clients 2 Implement and troubleshoot presence 3 Integrate IM&P server with external database to enable Persistent Chat and Group Chat 4 Implement and troubleshoot voicemail integration 5 Implement and troubleshoot voicemail features 6 Implement and troubleshoot voicemail dial plan 7 Implement and troubleshoot voicemail digital networking 8 Design, implement, and troubleshoot Cisco Unified Contact Center Express (UCCX) 9 Implement and troubleshoot Contact Center agent desktop (Finesse) |
| Call Control and Dial plan | 20% | 24% | 1 Design and analyze global dial plans 2 Design, implement, and troubleshoot fundamental dial plan features on Unified CM 3 Design, implement, and troubleshoot advanced dial plan features on Unified CM 4 Design, implement, and troubleshoot URI and domain-based routing 5 Implement and troubleshoot Unified CM telephony features 6 Design, implement, and troubleshoot audio and video codec selection 7 Implement and troubleshoot SIP trunking 8 Implement and troubleshoot UDS in a multi-cluster environment 9 Verify and troubleshoot Unified CM database replication 10 Design, implement, and troubleshoot dial plans on Cisco IOS-XE 11 Implement and troubleshoot SIP call control for Unified CME 12 Implement and troubleshoot SIP-SRST and E-SRST 13 Design, implement, and troubleshoot dial plans on Expressway Series 14 Implement and troubleshoot Cisco Spark Services |
| Evolving Technologies v1.1 | 10% | N/A | 1 Cloud 2 Network programmability (SDN) 3 Internet of things (IoT) |
| Media Resources, Meetings, and Call Recording | 12% | 12% | 1 Design, implement, and troubleshoot media resources 2 Implement and troubleshoot rendezvous conferencing 3 Implement and troubleshoot ad-hoc conferencing 4 Implement and troubleshoot scheduled meetings 5 Implement and troubleshoot CallBridge and WebBridge on Cisco Meeting Server 6 Implement and troubleshoot high availability on Cisco Meeting Server 7 Design, implement, and troubleshoot audio and video call recording architectures |
| Protocols and APIs | 12% | 12% | 1 Capture, analyze, and troubleshoot IP collaboration signaling protocols 2 Implement and troubleshoot SDP and media negotiation 3 Analyze and troubleshoot SIP identity headers 4 Capture, analyze, and troubleshoot media protocols 5 Design, implement, and troubleshoot DTMF relay 6 Capture, analyze, and troubleshoot messaging protocols 7 Capture, analyze, and troubleshoot legacy telephony protocols 8 Utilize and troubleshoot the following APIs 9 Describe the functionality of the following APIs |
400-051 - CCIE Collaboration Written
The 400-051 exam is part of the new CCIE Collaboration Written certification. This exam measures your ability and skills related to bridge the core technology expertise with knowledge of the evolving technologies that are being adopted at an accelerated pace, such as cloud, IoT, and network programmability.
The CCIE Collaboration Written exam validates an engineer's ability to deploy collaboration systems and services that increase user productivity, improve the customer experience and provide a seamless user experience.
The Cisco Collaboration Written Exam 400-051 exam dumps validates that candidates have the skills to plan, design, implement, operate, and troubleshoot enterprise collaboration and communication networks.
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