Final answer:
In the Nlets system, a user can use the TQ format to make inquiries based on Name, Vehicle Identification Number, Transaction Code, or Fingerprint, each providing a unique method of accessing information within the system.
Step-by-step explanation:
The TQ (Transaction Query) format within the Nlets system (The International Justice and Public Safety Network) allows a user to make inquiries using several different identifiers. These identifiers include: a) Name, b) Vehicle identification number (VIN), c) Transaction code, and d) Fingerprint. Each of these serves as a unique identifier that can be used to access specific data in the network. For instance, using a Name would help identify individuals, whereas the Vehicle Identification Number can locate information regarding vehicles. A Transaction Code relates to specific inquiries or messages that have been processed in the system, whereas a Fingerprint can be used to access identification records in criminal databases.