F5-CTS-LTM BIG-IP Local Traffic Manager Practice Question
What is the primary function of the 'OneConnect' profile in a BIG-IP LTM environment?
⚠ Common exam trap
Candidates often confuse OneConnect with 'Persistence' or 'Caching', assuming it is meant to keep users on the same server rather than optimizing the TCP connection lifecycle.
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
✓
It improves performance by reusing server-side TCP connections.
OneConnect allows the BIG-IP to reuse server-side TCP connections for multiple client-side requests. This reduces the overhead of repeatedly opening and closing TCP connections to the backend servers, which is highly beneficial for high-traffic applications. By maintaining a pool of idle connections to the servers, the system significantly improves performance and reduces the CPU load associated with the TCP three-way handshake on the backend.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It enables SSL offloading for encrypted traffic.
Why it's wrong here
SSL offloading is handled by the Client SSL and Server SSL profiles, not by OneConnect. OneConnect is focused on TCP connection management between the BIG-IP and the backend servers, not on the cryptographic processes or the encryption/decryption of the traffic flowing through the virtual server.
- ✓
It improves performance by reusing server-side TCP connections.
Why this is correct
OneConnect enables TCP connection multiplexing. It holds open server-side connections and reuses them for new client requests, preventing the overhead of creating new TCP handshakes for every request. This is a critical performance optimization for web applications that generate large amounts of short-lived connections to backend servers.
- ✗
It provides a mechanism for persistence across multiple pools.
Why it's wrong here
Persistence is managed through persistence profiles. OneConnect has no role in session affinity or tracking client-to-server relationships. Its function is purely related to the optimization of transport-layer connections, not the application-layer logic required to ensure a specific client consistently reaches the same backend server.
- ✗
It forces traffic to use HTTP/2 instead of HTTP/1.1.
Why it's wrong here
OneConnect is a transport-layer optimization that works independently of the HTTP protocol version. It operates at the TCP level and does not negotiate or force protocol versions. Protocol upgrades like HTTP/2 are handled by the HTTP profile configuration and the capabilities of the backend servers.
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.