フリー問題

問題文

A newly created profile has all of its security checks configured, and a firewall policy already selects the traffic for it. An administrator asks what the profile still has to be joined to and which layer of the stack the feature is able to work at. Which pair fits?

選択肢

1. No traffic is examined until the profile is joined to the expression object that the administrator prepared beforehand, and the feature can act only at the application layer of the model in question.
2. No traffic is examined until the profile is joined to the signature object that the administrator prepared beforehand, and the feature can act only at the application layer of the model in question.
3. No traffic is examined until the profile is joined to the signature object that the administrator prepared beforehand, and the feature can act only at the transport layer of the model in question.
4. No traffic is examined until the profile is joined to the expression object that the administrator prepared beforehand, and the feature can act only at the transport layer of the model in question.