Cisco 644-906 - Implementing and Maintaining Cisco Technologies Using IOS XR

Cisco 644-906 Actual PDF
  • Exam Code: 644-906
  • Exam Name: Implementing and Maintaining Cisco Technologies Using IOS XR
  • Updated: Aug 04, 2026
  • Q & A: 77 Questions and Answers
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About Cisco 644-906 Exam

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Reference: http://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/specialist-imtxr.html

Cisco 644-906 Exam Certification Details:

Exam NameImplementing and Maintaining Cisco Technologies Using IOS XR
Number of Questions55-65
Recommended TrainingImplementing and Maintaining Cisco Technologies Using IOS XR (IMTXR)
Exam Code644-906 IMTXR
Passing ScoreVariable (750-850 / 1000 Approx.)
Sample QuestionsCisco 644-906 Sample Questions
Duration75 minutes
Exam Price$300 USD
Exam RegistrationPEARSON VUE

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Understanding functional and technical aspects of Platform (644-906 SPAUTO)

The following will be asked from you in the CISCO 644-906 exam dumps pdf:

  • Describe ASR9000 fabric
  • Show environmental alarm values
  • Recommend PDU as a function of facility
  • Gather system environmental output
  • Understand what is Parallel FPD
  • Recommend rack space requirements
  • Verify system-detected environment is within tolerance levels
  • Identify MSC
  • Identify management interface
  • Identify ASR9000 SIP-700/SPA
  • Identify ASR9000 RSP
  • Difference between admin versus exec plane for show platform
  • Difference between admin versus exec plane for show platform
  • Install appropriate PDU for chassis
  • Differentiate between single and multi-chassis
  • Monitor system power level
  • Identify components of CRS fabric
  • Configure Auto FPD
  • Identify CRS SIP/SPA
  • Show fan status
  • Show cards via show diagrams
  • Identify ASR9000 chassis
  • Upgrading FPDs and ROMMONs
  • Identify CRS switch fabric
  • Clear environmental alarm
  • Show power alarm values
  • Identify PLIM
  • Identify cable management
  • Understanding what is a FPD.PIE
  • Describe ASR9000 air-flow
  • Identify CRS chassis
  • Understand FPD versus ROMMON
  • Identify ASR9000 PDU
  • Show inventory of the system
  • Show card status via show platform
  • Identify ASR9000 line cards
  • Use proper grounding for installation
  • Show power usage
  • Showing current FPD version information
  • Upgrade FPD and ROMMON Upgrade
  • Describe CRS air-flow
  • Identify RP CRS/ASR9000
  • Recommend environmental levels for system installation

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Cisco 644-906 Exam Syllabus Topics:

SectionObjectives
Routing Protocols- OSPF configuration and optimization
- IS-IS implementation
- BGP configuration and policy control
Infrastructure Services- Logging and troubleshooting tools
- System management and monitoring
Multicast- PIM sparse mode configuration
- Multicast routing in service provider networks
Quality of Service (QoS)- QoS models and architecture
- Traffic classification and marking
- Congestion management and avoidance
MPLS and VPN Services- L3VPN implementation
- Traffic engineering concepts
- MPLS label switching fundamentals
IOS XR Architecture and Platform Fundamentals- IOS XR system architecture overview
- Device boot process and file system
- Process management and control/data plane separation

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