Which method enables an engineer to deliver a flagged message to a specific virtual gateway address in the most flexible way?

Refer to the exhibit. An engineer is trying to connect to a Cisco ESA using SSH and has been unsuccessful.
Upon further inspection, the engineer notices that there is a loss of connectivity to the neighboring switch.
Which connection method should be used to determine the configuration issue?

When the Spam Quarantine is configured on the Cisco ESA, what validates end-users via LDAP during login to the End-User Quarantine?

When outbreak filters are configured, which two actions are used to protect users from outbreaks?
(Choose two.)

Refer to the exhibit.

Which SPF record is valid for mycompany.com?