On the Cisco Email Security Appliance (ESA) Command-Line Interface (CLI), the filters command is used to manage message filters. To change the status of an existing filter, you must first enter the message filter configuration context by typing filters. Within this context, the set subcommand is used to modify a filter's active status. The correct syntax is set , where is 1 for active and 0 for inactive. Therefore, to activate filter number 2, the command is set 2 1.

A: The edit subcommand is used to modify the conditions and actions within a filter's rules, not to toggle its active status.

B: modify is not a valid subcommand within the filters context on the ESA CLI. Additionally, All would be incorrect as the goal is to modify a specific filter.

C: The detail subcommand is a view-only command used to display the detailed configuration of a specific filter; it cannot be used to make changes.

1. Cisco

"CLI Reference Guide for AsyncOS 14.0 for Email Security"

Section: Mail Policies Commands -> filters

Details: The guide documents the subcommands available within the filters context. It specifies the set subcommand with the syntax set

stating

"Sets the active status of a filter. Use 1 for active and 0 for inactive." This directly supports the use of set 2 1 to activate the second filter. The guide also shows that edit is for changing filter rules and detail is for viewing them

confirming options A and C are incorrect. The command modify is not listed as a valid subcommand.