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F5 BIG-IP LTM Specialist: Maintain and Troubleshoot (301b) Exam Materials-Question 7 Discussion
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Selected Answers: B, D
✅ B. The server is NOT listening on port 80
✅ D. The LTM device is NOT receiving the correct response string
E. A firewall or other network device is blocking the traffic ❌
Blocking would typically show no reply, not a server-generated RST.
Selected Answers: B, E
An LTM Specialist is unable to see any connections on the application server. In the LTM GUI, the server in the pool shows as down. The LTM Specialist runs a tcpdump to determine why the failure is occurring. Refer to the output shown: [root@ltm01:Active:Changes Pending] config # tcpdump -nni 0.0 host 10.100.98.69 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on 0.0, link-type EN10MB (Ethernet), capture size 96 bytes 17:40:31. IP 10.84.98.51. > 10.100.98.69.80: S (0) win <mss 1460,sackOK,timestamp 1851 17:40:31. IP 10.100.98.69.80 > 10.84.98.51. R 0:0(0) ack win 0 What are two potential causes of this issue? (Choose two answers)
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