Joe, an employee, wants to show his colleagues how much he knows about smartphones.
Joe demonstrates a free movie application that he installed from a third party on his corporate smartphone.
Joe's colleagues were unable to find the application in the app stores.
Which of the following allowed Joe to install the application? (Select two.)

Ann, a new employee, received an email from an unknown source indicating she needed to click on the provided link to update her company's profile. Once Ann clicked the link, a command prompt appeared with the following output:

Which of the following types of malware was executed?

During a routine vulnerability assessment, the following command was successful:
echo "vrfy 'perl -e 'print "hi" x 500 ' ' " | nc www.company.com 25
Which of the following vulnerabilities is being exploited?

A company wants to ensure that the validity of publicly trusted certificates used by its web server can be determined even during an extended internet outage.
Which of the following should be implemented?

A computer forensics analyst collected a flash drive that contained a single file with 500 pages of text. Which of the following algorithms should the analyst use to validate the integrity of the file?