Logical Operations CyberSec First Responder (CFR-210) - Logical Operations Actual Exam Questions

Which of the following could an attacker use to perpetrate a social engineering attack? (Choose two.)

A logfile generated from a Windows server was moved to a Linux system for further analysis. A system administrator is now making edits to the file with vi and notices the file contains numerous instances of Ctrl-M (^M) characters. Which of the following command line tools is the administrator MOST likely to use to remove these characters from the logfile? (Choose two.)

A security analyst would like to parse through several SQL logs for indicators of compromise. The analyst is aware that none of the fields should contain a string of text longer than 30 characters; however, the analyst is unaware if there are any implemented controls to prevent such an overflow. Which of the following BEST describes the regular expression the analyst should use to find any alphanumeric character string?

A network administrator has been asked to configure a new network. It is the company’s policy to segregate network functions using different Virtual LANs (VLANs). On which of the following is this configuration MOST likely to occur?

An organization needs to determine of any systems on its network (10.0.25.0/24) have web services running on port 80 or 443. Which of the following is the BEST command to do this?