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Preparation Guide for Implementing and Maintaining Cisco Technologies Using IOS XR (IMTXR)
Introduction
This exam tests a candidate's knowledge of implementing, verification testing, and maintaining Cisco core and edge technologies, using the IOS XR based router platforms, which include the CRS, ASR 9000, and the XR12000 routers. The Implementing and Maintaining Cisco Technologies using IOS XR (IMTXR) (646-906) exam is the exam associated with the IOS XR Specialist certification. A 90-minute exam with 65‒75 questions, the exam tests a candidate's knowledge of implementing, verification testing, and maintaining Cisco core and edge technologies, using the IOS XR based router platforms, which include the CRS, ASR 9000, and the XR12000 routers. CISCO 644-906 practice exams and CISCO 644-906 practice test will help to understand and memorize the concepts and detailed answers and solutions.
| Section | Weight | Objectives |
|---|---|---|
| Control Plane | 25% | - Route policies and filtering - MPLS and Segment Routing - Multicast routing - OSPF, IS-IS, BGP configuration and troubleshooting |
| Operating System | 20% | - File system and package management - System logging and monitoring - CLI configuration and navigation - Process management and fault handling |
| Platform Architecture | 20% | - Software installation and upgrade - IOS XR system architecture - High availability and redundancy - Hardware platforms (CRS, ASR 9000, NCS series) |
| Data Plane | 20% | - QoS implementation - Forwarding plane architecture - Traffic engineering - MPLS VPN services |
| Management Plane | 15% | - AAA and security access control - Troubleshooting and diagnostic tools - Configuration management - SNMP, NETCONF, RESTCONF |
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