F5-CTS-LTM BIG-IP Local Traffic Manager Practice Question
What is the primary function of the 'OneConnect' profile in a BIG-IP LTM configuration?
⚠ Common exam trap
Candidates often confuse OneConnect with client-side connection pooling or HTTP compression, mistakenly believing it reduces client-side TCP handshakes rather than backend server-side TCP connection overhead.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
To enable TCP connection reuse to backend servers.
The OneConnect profile enables connection pooling between the BIG-IP and the backend servers. By keeping backend connections open even after a client request is fulfilled, the BIG-IP can reuse these existing connections for subsequent requests. This reduces the overhead associated with the TCP three-way handshake for every new request, significantly lowering the CPU utilization on backend servers and improving overall latency.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
To perform SSL decryption for client-side traffic.
Why it's wrong here
SSL decryption is handled by the Client SSL profile. OneConnect is completely independent of the encryption process. Its purpose is focused on connection management and resource optimization, not the security or cryptographic tasks that are specific to SSL/TLS profile configurations in an LTM environment.
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To allow for HTTP header insertion.
Why it's wrong here
Header insertion is a function enabled by the HTTP profile. OneConnect does not parse HTTP requests or manipulate headers. It strictly manages the TCP connection lifecycle between the BIG-IP and the backend pool, aiming to minimize the setup and teardown costs of these connections.
- ✓
To enable TCP connection reuse to backend servers.
Why this is correct
OneConnect allows the BIG-IP to maintain a pool of idle connections to the backend servers. When a new client request arrives, the BIG-IP can use an existing connection instead of initiating a new TCP handshake, which drastically reduces the load on the backend servers and improves application response times.
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To enforce persistence based on client IP.
Why it's wrong here
Persistence is a function managed by a persistence profile, such as Source Address or Cookie persistence. OneConnect does not influence how persistence works. In fact, if not configured correctly with a persistence profile, OneConnect can sometimes break persistence, as it may reuse a connection to the wrong server.
Visual reference
About these practice questions
This F5-CTS-LTM question is part of Courseiva's 119-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official F5 exam blueprint
This F5-CTS-LTM practice question is part of Courseiva's free F5 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the F5-CTS-LTM exam.