What does mactime, an essential part of the coroner's toolkit do?

While analyzing a hard disk, the investigator finds that the file system does not use UEFlbased interface.
Which of the following operating systems is present on the hard disk?

During an investigation, Noel found the following SIM card from the suspect's mobile. What does the code 89
44 represent?

You are a Penetration Tester and are assigned to scan a server. You need to use a scanning technique wherein the TCP Header is split into many packets so that it becomes difficult to detect what the packets are meant for. Which of the below scanning technique will you use?

When you are running a vulnerability scan on a network and the IDS cuts off your connection, what type of IDS is being used?