What is the broadcast address for the subnet 190.86.168.0/22?

Which of the following are valid types of rootkits? (Choose three.)

John the Ripper is a technical assessment tool used to test the weakness of which of the
following?

A company has made the decision to host their own email and basic web services. The
administrator needs to set up the external firewall to limit what protocols should be allowed to get
to the public part of the company’s network. Which ports should the administrator open?
(Choose three.)

Which type of scan measures a person’s external features through a digital video camera?

In order to show improvement of security over time, what must be developed?

In the software security development life cyle process, threat modeling occurs in which phase?

Which of the following items of a computer system will an anti-virus program scan for viruses?

Which of the following can take an arbitrary length of input and produce a message digest output
of 160 bit?

A computer science student needs to fill some information into a secured Adobe PDF job
application that was received from a prospective employer. Instead of requesting a new document
that allowed the forms to be completed, the student decides to write a script that pulls passwords
from a list of commonly used passwords to try against the secured PDF until the correct password
is found or the list is exhausted.
Which cryptography attack is the student attempting?