● BIG-IP Administration Support and Troubleshooting (F5CAB5)
Question #1
Question #2
A BIG-IP Administrator plans to upgrade a BIG-IP device to the latest TMOS version.
Which two tools could the administrator leverage to verify known issues for the target versions?
(Choose two answers)
- A. F5 End User Diagnostics (EUD)
- B. F5 Bug Tracker
- C. F5 University
- D. F5 iHealth
- E. F5 Downloads
Question #3
A BIG-IP Administrator needs to collect HTTP status code and HTTP method for traffic flowing through a virtual server.
Which default profile provides this information?
(Choose one answer)
- A. Request Adapt
- B. HTTP
- C. Analytics
- D. Statistics
Question #4
Which two methods should the BIG-IP Administrator troubleshoot Pool-member that’s been marked "DOWN" by its Health Monitor? (Choose two answers)
- A. Review the BIG-IP’s routing table using "netstat -rn" to show all routes.
- B. Enable Monitor Logging for the Pool-member that’s "DOWN".
- C. Review the Pool & Pool-member Statistics table for error data.
- D. Collect a TCPdump packet capture for the "DOWN" Pool-member.
Question #5
Why is this pool member being marked down? (Choose one answer)
- A. The pool member is currently only serving HTTP traffic.
- B. The pool member is currently only serving TCP traffic.
- C. The pool member is currently only serving UDP traffic.
- D. The pool member is currently only
Question #6
Without decrypting, what portion of an HTTPS session is visible with a packet capture? (Choose one answer)
- A. HTTP Response Headers
- B. Source IP Address
- C. HTTP Request Headers
- D. Cookies
Question #7
A gateway_icmp health monitor is configured on a pool. The BIG-IP Administrator is investigating why the pool is reported as down while the server is online. Other pools with servers in the same subnet are correctly monitored.
What can cause this behavior?
(Choose one answer)
- A. The admin user is logged on the server.
- B. The latest patches have not been installed on the server.
- C. The host based firewall is active on the server.
- D. The HTTP service is not started on the server.
Question #8
A BIG-IP Administrator configured the following virtual server to pass traffic on all addresses and ports. After configuration is completed, the BIG-IP Administrator notices that the virtual server is unable to pass traffic.
ltm virtual forwarding_any_vs {
destination 0.0.0.0:any
ip-forward
mask 255.255.255.255
profiles {
fastL4 { }
}
serverssl-use-sni disabled
source 0.0.0.0/0
translate-address disabled
translate-port disabled
}
Which part of the configuration is the cause of the issue?
(Choose one answer)
- A. Incorrect destination configured
- B. Incorrect mask 255.255.255.255
- C. Incorrect translate-address configured
- D. No option
Question #9
Refer to the exhibit.
A BIG-IP Administrator needs to deploy an application on the BIG-IP system to perform SSL offload and re-encrypt the traffic to pool members. During testing, users are unable to connect to the application.
What must the BIG-IP Administrator do to resolve the issue?
(Choose one answer)
- A. Remove the configured SSL Profile (Client)
- B. Configure Protocol Profile (Server) as splitsession-default-tcp
- C. Enable Forward Proxy in the SSL Profile (Client)
- D. Configure an SSL Profile (Server)
Question #10
A BIG-IP Administrator notices that one of the servers that runs an application is NOT receiving any traffic. The BIG-IP Administrator examines the configuration status of the application and observes the displayed monitor configuration and affected Pool Member status.
What is the possible cause of this issue?
(Choose one answer)
- A. The Node Health Monitor is NOT responding.
- B. The application is NOT responding with the expected Receive String.
- C. HTTP 1.1 is NOT appropriate for monitoring purposes.
- D. The BIG-IP device is NOT able to reach the Pool.
A BIG-IP Administrator needs to determine why only one pool member is showing connections from the Virtual Server, resulting in uneven load balancing.
What two reasons would cause uneven load balancing? (Choose two answers)