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How much Implementing and Maintaining Cisco Technologies Using IOS XR (IMTXR) costs
- Examination Fees: $200 USD
- Passing Score: 300 or higher
- No of Questions: 55 Questions
- Length of Exam: 75 min
- Types of questions: Performance Based Questions
- Examination Name: Implementing and Maintaining Cisco Technologies Using IOS XR (IMTXR)
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Understanding functional and technical aspects of Operating System (644-906 SPAUTO)
The following will be asked from you in the CISCO 644-906 exam dumps:
- Configure interfaces before the physical interface is available)
- Understand protected memory space versus shared memory and which area uses it
- Understanding types of packages (Mini.VM)
- Going back to a previous configuration
- Check how much memory a process is using
- Debug commands with ACL filtering
- Show where certain processes are running
- Understanding security certificate in PIEs and SMUs
- Understand what configuration is in the exec plane
- Understand between admin user versus exec username
- Initial or recovery software installation (Turboboot Mini.VM file)
- Understand differences between owner and non-owner SDR in access to admin plane and exec plane
- Understand what is target config
- Using TFTP, FTP, USB thumb drive, and hard drive as the source
- Check how much CPU a process is using
- Understand when a syntax check is done
- Understand P versus PX images and the hardware they support
- Check which packages are active
- Understand IOS-XR versioning and installation restrictions
- Show policer values and drop counts in LPTS
- Using source flag
- Committing the configuration (with labels and comments)
- How to find a blocked process
- Remove inactive packages, PIEs, or SMUs
- Core file configuration location including hard drive and FTP
- Show configuration history
- Using the parser with pipe, include, exclude, begin, regex
- How to look at the memory utilization on the line card
- Using TAR file
- Understand what configuration is in the admin plane
- Understanding how task-based authorization work
- Deactivate PIEs or SMUs
- Assigning user privilege to root-system
- See what install requests are currently active
- Locate core files and moving them to a server
- Committing the configuration (show config fail)
- Assigning user privilege to cisco-support
- Understand what is LPTS
- How to check processes like state, number of restarts, job id, pid, tid
- How to perform process restart
- Showing configuration IDs and labels
- Committing the configuration (atomic versus best effort)
- Committing the configuration (using the commit confirm feature)
- Understand what is active config
- Understanding types of packages (SMUs)
- Check which packages are committed
- Base assumption of EEM knowledge - understand what is possible/not possible
- Understanding types of packages (Mini.PIE)
- Committing the installation path
- How to look at the memory utilization on the route processor
- Check installation log
- Understand about LPTS policer
- How to use Show LPTS commands
- Committing the configuration (replacing the configuration)
- Loading configuration
- Initial or recovery software installation (ROMMON variables)
- Activate PIEs or SMUs
- Understand when a semantic check is done
- With activate flag
- Assigning user privilege to root-lr
- Understand the default VRF
- Understanding types of packages (optional PIEs)
- How to use Show Tech Support commands
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Cisco 644-906 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: System Operations and Troubleshooting | - Troubleshooting routing and forwarding issues - Monitoring IOS XR systems |
| Topic 2: Layer 3 Routing | - OSPF configuration and optimization - IS-IS implementation - BGP design and policy control |
| Topic 3: Quality of Service (QoS) | - Queuing and congestion management - QoS classification and marking |
| Topic 4: Automation and Programmability (Foundational) | - Basic IOS XR automation concepts - Model-driven telemetry overview |
| Topic 5: Layer 2 Technologies | - VLANs and trunking - Ethernet switching concepts in IOS XR |
| Topic 6: IOS XR System Architecture | - Platform architecture and operating model - Process separation and high availability design |
| Topic 7: MPLS and Service Provider Technologies | - MPLS forwarding and label distribution - L3VPN and L2VPN services - Traffic engineering concepts |





