Penetration testing is a simulated cyberattack against a computer or network that checks for exploitable vulnerabilities. Pen tests can involve attempting to breach application systems, APIs, servers, inputs, and code injection attacks to reveal vulnerabilities. In a well-written, highly-detailed research paper, discuss the following: What is penetration testing Testing Stages Testing Methods Testing, web applications and firewalls .

Assignment 1: Linux GUIDue Week 6 and worth 50 pointsAs explained in the textbook, UNIX / Linux initially only provided a command line interface for interaction with the operating system (OS). The introduction of a Graphical User Interface (GUI) to UNIX / Linux OS makes it easier to administer a Linux system.Write a two to three (2-3) page paper in which you:Discuss the primary advantages of GUI over a textual (command-line) interface in Linux system administration.Describe two (2) linux desktop environments and explain how they generally function.Recommend one (1) scenario or situation that demonstrates when each GUI system you described previously (two [2] total scenarios) would be most suitable to install.Use at least three (3) quality resources in this assignment. Note: Wikipedia and similar Websites do not qualify as quality resources.Format your assignment according to the following formatting requirements:Typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides.Include a cover page containing the title of the assignment, the student’s name, the professor’s name, the course title, and the date. The cover page is not included in the required page length.Include a reference page. Citations and references must follow APA format. The reference page is not included in the required page length.The specific course learning outcomes associated with this assignment are:Examine the UNIX / Linux shell command line, and command-line utilities.Use technology and information resources to research issues in operating systems.Write clearly and concisely about UNIX / Linux topics using proper writing mechanics and technical style conventions.Grading for this assignment will be based on answer quality, logic / organization of the paper, and language and writing skills, using this rubric.