F5Certified Administrator NGINX - Troubleshooting
Domain 2Objective 7
Describe How to Troubleshoot Client and Server Connections F5N4 Practice Questions (Page 2)
Part of the Troubleshoot basic use cases domain, which makes up ~60% of our current practice bank. F5 does not publish an official question count, but from its 30-minute exam (~10–20 total, ~6–12 in this domain), expect 1–2 from this objective — we provide 20 practice questions to prepare you well beyond it. (estimate)
20questions here
4free pages
5concepts
Questions 6–10
- 6
An NGINX error log entry contains 'upstream timed out (110: Connection timed out) while reading response header from upstream'. What does this entry indicate?
Select an answer first - 7
An NGINX error log shows 'connect() failed (111: Connection refused) while connecting to upstream'. What does this indicate?
Select an answer first - 8
A user reports that they receive a 'SSL_ERROR_BAD_CERT_DOMAIN' error in their browser when accessing a site. Which client-side connection issue does this indicate?
Select an answer first - 9
A user reports that they cannot access a website, but other users can. From the user's machine, 'nslookup example.com' returns the correct IP address, but 'curl https://example.com' fails with 'Connection timed out'. What is the MOST likely cause?
Select an answer first - 10
An NGINX access log shows a request with a status code of 499. What does this status code indicate, and what is the MOST likely cause?
Select an answer first
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