Please help me with these questions I keep getting them wrong! This is an intro to a cyber security engineering class.

QUESTION1 What does executable space protection do for us and how? O prevents virus attacks from working by preventing an application from running O prevents virus attacks from working by detecting specific byte strings in the code O prevents buffer overflow attacks from working by allowing code execution on the memory stack prevents buffer overflow attacks from working by blocking code execution on the memory stack QUESTION2 Which of the following is not part of operating system hardening? OApplying the principle of least privilege O Making use of logging and auditing functions O Making alterations to common accounts Applying software updates in a timely manner ORemoving or turning off unessential services O Changing the main network firewall ruleset Removing unnecessary software QUESTION 3 What does applying a vendor OS update (patch) usually do? Oexploits a vulnerability in the OS code O creates vulnerabilities in the Os code O detects a vulnerability in the o5 code O fixes vulnerabilities in the OS code