Which of the following statements is true regarding firewalls? there are only a few firewalls that are currently available in the commercial marketplace. firewalls cannot be customized to meet the specific needs of particular organizations. a defense-in-depth structure of firewalls provides more protection for certain subnets than for others. some organizations establish internal zones to protect the entire organization from outsiders.

Select the correct answer. andre was recently hired by an organization to check for system vulnerabilities. he is supposed to exploit these vulnerabilities and create a report on the extent of damage to which the system was susceptible. what position does andre hold in this organization? a. information security analyst b. information assurance manager c. penetration tester d. network security engineer e. chief information security officer