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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