Which of the following is not a Bluetooth attack?

Jesse receives an email with an attachment labeled "Court_Notice_21206.zip". Inside the zip file named
"Court_Notice_21206.docx.exe" disguised as a word document. Upon execution, a window appears stating,
"This word document is corrupt". In the background, the file copies itself to Jesse APPDATA\local directory and begins to beacon to a C2 server to download additional malicious binaries.
What type of malware has Jesse encountered?

A security administrator notices that the log file of the company's webserver contains suspicious entries:

Based on source code analysis, the analyst concludes that the login.php script is vulnerable to

Which of the following items is unique to the N-tier architecture method of designing software applications?

An incident investigator asks to receive a copy of the event logs from all firewalls, proxy servers, and
Intrusion Detection Systems (IDS) on the network of an organization that has experienced a possible
breach of security. When the investigator attempts to correlate the information in all of the logs, the
sequence of many of the logged events do not match up.
What is the most likely cause?