Cisco 644-906 Exam Syllabus Topics:

Topic	Details
Topic 1	Management Plane
Topic 2	Platform
Topic 3	Operating System
Topic 4	Data Plane
Topic 5	Control Plane

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

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:

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

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