101 · Question #350
APM provides access control lists at which two 051 layers
The correct answer is C. Layer 7 D. Layer 4. F5 BIG-IP APM enforces access control lists at Layer 4 (transport) and Layer 7 (application) of the OSI model.
Question
APM provides access control lists at which two 051 layers
Options
- ALayer 6
- BLayer 5
- CLayer 7
- DLayer 4
- ELayer 3
- FLayer 2
How the community answered
(15 responses)- A7% (1)
- C87% (13)
- E7% (1)
Why each option
F5 BIG-IP APM enforces access control lists at Layer 4 (transport) and Layer 7 (application) of the OSI model.
Layer 6 (Presentation) handles data formatting and encryption translation and is not a layer at which APM applies access control lists.
Layer 5 (Session) manages session establishment and teardown and is not one of the layers APM uses for ACL enforcement.
Layer 7 ACLs in APM filter traffic at the application layer using attributes such as HTTP URLs, hostnames, and request methods, enabling granular control over web application resource access.
Layer 4 ACLs in APM operate at the transport layer, filtering based on source and destination IP addresses, port numbers, and protocols like TCP and UDP to enforce network-level access boundaries.
Layer 3 (Network) routing-level control is not one of the two primary ACL enforcement layers in APM - APM ACLs target L4 and L7 specifically.
Layer 2 (Data Link) operates at the MAC address and frame level, well below the layers at which APM access control lists function.
Concept tested: APM access control list OSI layer enforcement
Source: https://techdocs.f5.com/en-us/bigip-16-1-0/big-ip-access-policy-manager-visual-policy-editor/access-control-lists.html
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