F5-CTS-LTM BIG-IP Local Traffic Manager Practice Question
Exhibit
ltm virtual /Common/vs_http {
destination /Common/192.168.1.10:80
pool /Common/web_pool
profiles {
/Common/tcp { }
/Common/http { }
}
}Refer to the exhibit. Why is the 'http' profile required in this virtual server configuration?
⚠ Common exam trap
Many candidates believe an HTTP profile is only needed for SSL termination or compression, forgetting it is mandatory for basic header inspection and cookie persistence.
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 allow the LTM to inspect and modify HTTP headers.
The 'http' profile is required because the BIG-IP LTM needs to parse the HTTP headers to perform application-level functions like persistence, compression, or header manipulation. Even if the Virtual Server simply forwards traffic, the presence of an HTTP profile enables the TMM to understand the protocol structure. This is critical for any LTM configuration that requires visibility into the payload for security or load-balancing logic.
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 enable hardware acceleration for SSL processing.
Why it's wrong here
Hardware acceleration for SSL is managed by the SSL profile and the BIG-IP hardware itself. The HTTP profile has no involvement in the encryption or decryption of data. SSL offloading is a distinct process from the HTTP protocol parsing enabled by the HTTP profile.
- ✓
To allow the LTM to inspect and modify HTTP headers.
Why this is correct
The HTTP profile provides the necessary protocol parsing for the BIG-IP to understand HTTP request and response structures. This is a prerequisite for any iRule that needs to inspect or modify headers, as well as for features like cookie persistence which rely on header analysis.
- ✗
To define the backend server pool members.
Why it's wrong here
Pool members are defined in the pool object itself, not the profile. The HTTP profile only dictates how the traffic is processed at the application layer. The connection to the backend servers is established based on the pool configuration assigned to the virtual server object.
- ✗
To enable port translation for the virtual server.
Why it's wrong here
Port translation is a feature of the virtual server configuration, enabled by the 'Port Translation' checkbox or setting. It is not dependent on the HTTP profile. The BIG-IP can perform port translation for any traffic type, regardless of whether an HTTP profile is applied to that virtual server.
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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
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.