Which of the following is the definition of red team?

a. an open source port scanning and host detection utility. in a penetration test, this consists of penetration testers who have been given some background knowledge of the infrastructure.
b. in a penetration test, this consists of it staff who defend against the penetration testers.
c. they are generally aware that a penetration test is happening, but do not know what methods the testers will use.
d. the process of identifying the difference between reality—the current state of an organization’s it infrastructure—and the organization’s security goals.

a. An open source port scanning and host detection utility. In a penetration test, this consists of penetration testers who have been given some background knowledge of the infrastructure.

Explanation:

b. Red team is special for checking to penetration test and there is no defend

c. They are not aware that penetration test is happening

d. The process is to check system security infrastructure by trying different types of penetration in unexpected ways.

a. There is a special team created as called Red Team that they try to penetrate to the system with different methods. This test is longer and different then normal tests to detect is a system giving an alert for any action damaging to the system.