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304 · Question #14

How can you configure variable assignment in VPE? (Select all that apply)

The correct answer is A. Using a custom expression to define the variable value C. By defining custom session variables for user-specific data. Options A and C are correct because the Visual Policy Editor (VPE) in F5 BIG-IP APM includes a Variable Assign action that serves both purposes: you can use custom expressions (including Tcl expressions or predefined macros) to dynamically compute and assign a variable's value…

Section 1: Implement APM for Access

Question

How can you configure variable assignment in VPE? (Select all that apply)

Options

  • AUsing a custom expression to define the variable value
  • BBy setting up Resource Items for each application
  • CBy defining custom session variables for user-specific data
  • DBy configuring ACLs in Global Access Control List (ACL) policies

How the community answered

(20 responses)
  • A
    80% (16)
  • B
    5% (1)
  • D
    15% (3)

Explanation

Options A and C are correct because the Visual Policy Editor (VPE) in F5 BIG-IP APM includes a Variable Assign action that serves both purposes: you can use custom expressions (including Tcl expressions or predefined macros) to dynamically compute and assign a variable's value (A), and you can assign those values to custom session variables (e.g., session.custom.*) to carry user-specific data through the rest of the policy flow (C).

Option B is wrong because Resource Items define what resources (web apps, remote desktops, etc.) a user can access - they are an authorization construct, not a mechanism for setting variable values inside a policy.

Option D is wrong because ACLs and Global ACL policies govern network traffic permissions (allow/deny rules based on IP, port, protocol) - they operate at the access-control layer, not within the VPE variable assignment workflow.

Memory tip: Think of VPE variable assignment as a two-part recipe - what value (custom expression) and where to store it (custom session variable). If an answer choice sounds like "access control" or "resource listing," it belongs to a different part of APM, not variable assignment.

Topics

#VPE Variables#Session Variables#Custom Expressions#Policy Configuration

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