External users are reporting that a web application is slow and frequently times out when attempting to
submit information. Which of the following software development best practices would have helped prevent
this issue?

A retail corporation with widely distributed store locations and IP space must meet PCI requirements relating to vulnerability scanning. The organization plans to outsource this function to a third party to reduce costs.
Which of the following should be used to communicate expectations related to the execution of scans?

A security analyst is reviewing the following log after enabling key-based authentication.

Given the above information, which of the following steps should be performed NEXT to secure the system?

Given the following code:

Which of the following types of attacks is occurring in the example above?

An organization has recently recovered from an incident where a managed switch had been accessed and reconfigured without authorization by an insider. The incident response team is working on developing a lessons learned report with recommendations. Which of the following recommendations will BEST prevent the same attack from occurring in the future?