How to Prepare For Implementing and Maintaining Cisco Technologies Using IOS XR (IMTXR)

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.

Exam Topics

The following are covered in CISCO 644-906 practice exams and CISCO 644-906 practice test:

• Platform
• Control Plane
• Data Plane
• Management Plane
• Operating System

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

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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:

• Assigning user privilege to root-lr
• Check how much memory a process is using
• Understanding types of packages (Mini.PIE)
• Deactivate PIEs or SMUs
• Remove inactive packages, PIEs, or SMUs
• Understanding types of packages (optional PIEs)
• Understand when a semantic check is done
• Check installation log
• How to look at the memory utilization on the route processor
• Understand the default VRF
• Check which packages are active
• With activate flag
• Understand what is LPTS
• Understand what configuration is in the admin plane
• Core file configuration location including hard drive and FTP
• Understand when a syntax check is done
• Committing the configuration (using the commit confirm feature)
• Understanding security certificate in PIEs and SMUs
• How to perform process restart
• Understanding how task-based authorization work
• Activate PIEs or SMUs
• Using the parser with pipe, include, exclude, begin, regex
• How to find a blocked process
• Understanding types of packages (Mini.VM)
• Showing configuration IDs and labels
• Committing the configuration (atomic versus best effort)
• Using TAR file
• Loading configuration
• Going back to a previous configuration
• See what install requests are currently active
• Debug commands with ACL filtering
• Committing the installation path
• Check how much CPU a process is using
• Assigning user privilege to cisco-support
• Understand what configuration is in the exec plane
• Show configuration history
• Assigning user privilege to root-system
• Committing the configuration (with labels and comments)
• Understand IOS-XR versioning and installation restrictions
• Committing the configuration (show config fail)
• Understand about LPTS policer
• Base assumption of EEM knowledge - understand what is possible/not possible
• Using source flag
• How to check processes like state, number of restarts, job id, pid, tid
• Check which packages are committed
• Configure interfaces before the physical interface is available)
• Committing the configuration (replacing the configuration)
• Initial or recovery software installation (Turboboot Mini.VM file)
• How to use Show Tech Support commands
• Using TFTP, FTP, USB thumb drive, and hard drive as the source
• How to use Show LPTS commands
• Understand what is active config
• Initial or recovery software installation (ROMMON variables)
• Show where certain processes are running
• Understanding types of packages (SMUs)
• Understand between admin user versus exec username
• How to look at the memory utilization on the line card
• Understand differences between owner and non-owner SDR in access to admin plane and exec plane
• Locate core files and moving them to a server
• Understand what is target config
• Understand P versus PX images and the hardware they support
• Show policer values and drop counts in LPTS
• Understand protected memory space versus shared memory and which area uses it

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