Which of the following is a primary service of the U.

CSIRT provides an incident response service to enable a reliable and trusted single point of contact for reporting computer security incidents worldwide.

CSIRT provides a computer security surveillance service to supply a government with important intelligence information on individuals travelling abroad.

CSIRT provides a penetration testing service to support exception reporting on incidents worldwide by individuals and multi-national corporations.

CSIRT provides a vulnerability assessment service to assist law enforcement agencies with profiling an individual's property or company's asset.