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Difficulty: MediumMobile Device Wireless and Network Connectivity

An IT technician is preparing a fleet of new smartphones for field workers. The cellular service provider requests the unique 15-digit physical hardware identifier of each mobile handset so they can be registered on the cellular network. Which of the following identifiers should the technician provide to the carrier?

  1. International Mobile Equipment Identity (IMEI)Answer
  2. B
    International Mobile Subscriber Identity (IMSI)
  3. C
    Automatic Private IP Address (APIPA)
  4. D
    IMAP Configuration Endpoint

Answer

The International Mobile Equipment Identity (IMEI)
The International Mobile Equipment Identity (IMEI) is a globally unique 15-digit serial number assigned to cellular-capable mobile devices. Network operators use the IMEI to identify valid physical devices and prevent blocked or stolen phones from accessing their network.

Step-by-Step Solution

1
Identify the cellular provider's requirement
The requirement asks for the physical mobile device hardware identifier.
Carriers require the physical hardware ID to provision or whitelist specific phone units.
2
Differentiate between mobile identifiers
The International Mobile Equipment Identity (IMEI) uniquely identifies the physical phone hardware, whereas the IMSI identifies the SIM subscriber account.
Understanding the distinction between hardware hardware IDs (IMEI) and subscriber card IDs (IMSI) ensures proper registration.

Key Concept

Mobile Device Hardware Identifiers (IMEI vs. IMSI)
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Topics

Mobile Device Wireless and Network Connectivity

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