Which of the following techniques delete the files permanently?

The rule of thumb when shutting down a system is to pull the power plug. However, it has certain drawbacks. Which of the following would that be?

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

Which of the following is a record of the characteristics of a file system, including its size, the block size, the empty and the filled blocks and their respective counts, the size and location of the inode tables, the disk block map and usage information, and the size of the block groups?

Which is a standard procedure to perform during all computer forensics investigations?