Exam F5CAB2 Topic 4 Question 47 Discussion
Actual exam question for F5's F5CAB2 exam
Question #: 47
Topic #: 4
Question #: 47
Topic #: 4
Which event is always triggered when a client initially connects to a virtual server configured with an HTTP profile?
Suggested Answer: D Vote an answer
The BIG-IP processing flow follows a specific sequence of events as a packet moves through the system.
* TCP Handshake: Before any application-layer data (like HTTP) can be processed, a TCP connection must be established.
* The First Event: The very first event triggered when a client completes the 3-way handshake with the virtual server is CLIENT_ACCEPTED.
* Profile Influence: Even if an HTTP profile is attached, the system must first "accept" the connection at the protocol level. HTTP_REQUEST only triggers after the client sends data that the BIG-IP recognizes as a valid HTTP request. If a client connects but never sends a request, CLIENT_ACCEPTED will have fired, but HTTP_REQUEST will not.
* TCP Handshake: Before any application-layer data (like HTTP) can be processed, a TCP connection must be established.
* The First Event: The very first event triggered when a client completes the 3-way handshake with the virtual server is CLIENT_ACCEPTED.
* Profile Influence: Even if an HTTP profile is attached, the system must first "accept" the connection at the protocol level. HTTP_REQUEST only triggers after the client sends data that the BIG-IP recognizes as a valid HTTP request. If a client connects but never sends a request, CLIENT_ACCEPTED will have fired, but HTTP_REQUEST will not.
by Verne at Jul 28, 2026, 01:42 AM
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