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301B: BIG-IP LTM Specialist: Maintain and Troubleshoot

301B: BIG-IP LTM Specialist: Maintain and Troubleshoot Course

301B: BIG-IP LTM Specialist: Maintain and Troubleshoot Training

The 301B BIG-IP LTM Specialist: Maintain and Troubleshoot is the second exam to gain the F5 Big-IP LTM Certified Technical Specialist certification.

During the certification training course, participants will learn LTM configuration, LTM devices, LTM environment, the functionality of a simple iRule. By doing this course people will gain knowledge about the benefits of custom alerting within an LTM environment, LTM device misconfiguration, determine the root cause of an HTTP/HTTPS application problem and solution to an HTTP/HTTPS application problem.

Achieving the F5-CTS, BIG-IP LTM certification is a prerequisite for both the Cloud and Security Solutions Expert certification tracks.

Valid F5-CA, BIG-IP Certification

Candidates can achieve this certification by passing the following exam.

  • 301B–BIG-IP LTM Specialist: Maintain and Troubleshoot

Logitrain F5 301B–BIG-IP LTM Specialist: Maintain and Troubleshoot course material

  • Given a scenario, determine the appropriate profile setting modifications.
  • Given a sub-set of an LTM configuration, determine which objects to remove or consolidate to simplify the LTM configuration
  • Given a set of LTM device statistics, determine which objects to remove or consolidate to simplify the LTM configuration
  • Given a scenario, determine the appropriate upgrade and recovery steps required to restore functionality to LTM devices
  • Given a scenario, determine the appropriate upgrade steps required to minimize application outages
  • Describe the benefits of custom alerting within an LTM environment
  • Describe how to set up custom alerting for an LTM device
  • Determine which iRule to use to resolve an application issue
  • Explain the functionality of a simple iRule
  • Given specific traffic and configuration containing a simple iRule determine the result of the iRule on the traffic
  • Interpret AVR information to identify performance issues or application attacks
  • Interpret AVR information to identify LTM device misconfiguration
  • Given a set of headers or traces, determine the root cause of an HTTP/HTTPS application problem
  • Given a set of headers or traces, determine a solution to an HTTP/HTTPS application problem
  • Given a direct trace, a trace through the LTM device, and other relevant information, compare the traces to determine the root cause of an HTTP/HTTPS application problem
  • Given a direct trace, a trace through the LTM device, and other relevant information, compare the traces to determine a solution to an HTTP/HTTPS application problem
  • Given a scenario, determine which protocol analyzer tool and its options are required to resolve an application issue
  • Given a trace and necessary supporting documentation, determine the root cause of an application problem
  • Given a trace and necessary supporting documentation, determine a solution to an application problem
  • Given a scenario, determine from where the protocol analyzer data should be collected
  • Given a trace, identify monitor issues
  • Given a monitor issue, determine an appropriate solution
  • Interpret log file messages and/or command line output to identify LTM device issues
  • Identify the appropriate command to use to determine the cause of an LTM device problem
  • Analyze performance data to identify a resource problem on an LTM device
  • Given a scenario, determine the cause of an LTM device failover
  • Given a scenario, determine the cause of loss of high availability and/or sync failure

 

This course is likely to add to the employment-related skills of the participants. The skills developed are likely to be used in the course of being an employee or working in a business.

  • Network Engineers
  • Cybersecurity Engineers
  • Sales Engineers
  • Network Administrators
  • IT professionals interested in F5 certifications
  • Given a scenario of client or server-side buffer issues, packet loss, or congestion, select the appropriate TCP or UDP profile to correct the issue.
  • Given a scenario determine when an application would benefit from HTTP Compression and/or Web Acceleration profile
  • Evaluate which iRules can be replaced with a profile or policy setting
  • Evaluate which host virtual servers would be better consolidated into a network virtual server
  • Identify redundant and/or unused objects
  • Identify unnecessary monitoring
  • Interpret configuration and performance statistics
  • Explain the effect of removing functions from the LTM device configuration
  • Identify the appropriate methods for a clean install
  • Identify the TMSH sys software install options required to install a new version
  • Identify the steps required to upgrade the LTM device such as: license renewal, validation of upgrade path,review release notes, etc.
  • Identify how to copy a config to a previously installed boot location/slot
  • Identify valid rollback steps for a given upgrade scenario
  • Explain how to upgrade an LTM device from the GUI
  • Describe the effect of performing an upgrade in an environment with device groups and traffic groups
  • Explain how to perform an upgrade in a high availability group
  • Describe how to specify the OIDs for alerting
  • Explain how to log different levels of local traffic message logs
  • Explain how to trigger custom alerts for testing purposes
  • List and describe custom alerts: SNMP, email and Remote Syslog
  • Identify the location of custom alert configuration files
  • Identify the available levels for local traffic logging
  • Determine which iRule events and commands to use
  • Given a specific iRule event determine what commands are available
  • Interpret information in iRule logs to determine the iRule and iRule events where they occurred
  • Describe the results of iRule errors
  • Use an iRule to resolve application issues related to traffic steering and/or application data
  • Explain how to modify profile settings using information from the AVR
  • Explain how to use advanced filters to narrow output data from AVR
  • Identify potential latency increases within an application
  • Explain how to use AVR to trace application traffic
  • Explain how latency trends identify application tier bottlenecks
  • Explain how to interpret response codes
  • Explain the function of HTTP headers within different HTTP applications (Cookies, Cache Control, Vary, Content Type & Host)
  • Explain HTTP methods (GET, POST, etc.)
  • Explain how to decode POST data
  • Investigate the cause of a specific response code
  • Investigate the cause of an SSLHandshake failure
  • Predict the browser caching behavior when application data is received (headers and HTML)
  • Given a failed HTTP request and LTM configuration data determine if the connection is failing due to the LTM configuration
  • Investigate the cause of an SSLHandshake failure
  • Given a failed HTTP request and LTM configuration data determine if the connection is failing due to the LTM configuration
  • Identify application issues based on a protocol analyzer trace
  • Explain how to follow a conversation from client side and server-side traces
  • Explain how SNAT and OneConnect effect protocol analyzer traces
  • Explain how to decrypt SSL traffic for protocol analysis
  • Explain how to recognize the different causes of slow traffic (e.g., drops, RSTs, retransmits, ICMP errors, demotion from CMP)
  • Analyze a tcpdump to identify application or configuration problems.
  • Analyze a tcpdump to identify application or configuration problems.
  • Explain how to decrypt SSL traffic for protocol analysis
  • Explain how to recognize the different causes of slow traffic (e.g., drops, RSTs, retransmits, ICMP errors, demotion from CMP)
  • Chose the appropriate protocol analyzer for troubleshooting a given problem (e.g., Wireshark, tcpdump, ssldump)
  • Identify application issues based on a protocol analyzer trace
  • Explain how SNAT and OneConnect effect protocol analyzer traces
  • Explain how to capture and interpret monitor traffic using protocol analyzer
  • Explain how to obtain needed input and output data to create the monitors
  • Determine appropriate monitor and monitor timing based on application and server limitations
  • Describe how to modify monitor settings to resolve monitor problems
  • Interpret log file messages to identify LTM device issues
  • Interpret the qkview heuristic results
  • Identify appropriate methods to troubleshoot NTP
  • Identify license problems based on the log file messages and statistics
  • Identify hardware problems based on the log file messages and statistics
  • Identify resource exhaustion problems based on the log file messages and statistics
  • Identify connectivity problems based on the log files
  • Determine the appropriate log file to examine to determine the cause of the problem
  • Analyze performance data to identify a resource problem on an LTM device
  • Explain the effect of network failover settings on the LTM device
  • Explain the relationship between serial and network failover
  • Differentiate between unicast and multicast network failover modes
  • Identify the cause of failover using logs and statistics
  • Explain how the high availability concepts relate to one another
  • Explain the relationship between device trust and device groups
  • Identify the cause of config sync failures
  • Explain the relationship between traffic groups and LTM objects
  • Interpret log messages to determine the cause of high availability issues
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