F5-CTS-LTM BIG-IP Local Traffic Manager Practice Question
An LTM is configured with a OneConnect profile. What is the primary purpose of this feature in the context of HTTP connections?
⚠ Common exam trap
Candidates often confuse OneConnect with load balancing algorithms, failing to recognize its specific role in multiplexing multiple client requests over a single persistent backend TCP connection.
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 multiplex multiple client requests over a single server-side TCP connection.
OneConnect allows the BIG-IP to reuse existing connections between the BIG-IP and the backend servers. By multiplexing multiple client requests onto a smaller set of established TCP connections, it significantly reduces the overhead associated with the TCP three-way handshake and slow-start mechanism on the backend servers. This is particularly valuable for high-traffic environments where connection setup latency can become a major bottleneck for the application's response time.
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 increase the number of TCP connections allowed to the backend servers.
Why it's wrong here
OneConnect actually decreases the total number of connections to the backend servers by multiplexing client requests into persistent, existing server-side connections. It optimizes the connection usage rather than simply increasing the number of allowed connections, which would be managed by other pool-level connection limit settings.
- ✗
To enable persistent connections between the client and the BIG-IP.
Why it's wrong here
OneConnect focuses on the server-side of the connection (between BIG-IP and backend servers). While it works with HTTP keep-alive, its primary performance benefit is derived from managing the pool of connections to the backend, not the relationship between the client and the BIG-IP front-end.
- ✓
To multiplex multiple client requests over a single server-side TCP connection.
Why this is correct
OneConnect effectively decouples the client-side connection from the server-side connection. This allows the BIG-IP to keep server-side connections open and reuse them for subsequent requests from different clients, reducing the CPU and time overhead of constantly opening and closing new TCP connections for every single request.
- ✗
To provide SSL offloading for non-HTTP traffic types.
Why it's wrong here
OneConnect is a TCP connection management feature, not an encryption or SSL management feature. SSL offloading is handled by the Client/Server-side SSL profiles. OneConnect is strictly for connection reuse and does not perform any cryptographic functions or handle protocol-specific traffic encryption requirements.
Visual reference
About these practice questions
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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
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