GSM: Global System for Mobile Quiz
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Questions and Answers

What is the purpose of the IMEI database mentioned in the text?

  • Tracking stolen or unauthorized mobile devices (correct)
  • Configuring network software
  • Encrypting subscriber conversations
  • Handling performance supervision

Which algorithm is used in GSM for authentication?

  • A8 algorithm
  • A3 algorithm (correct)
  • A5 algorithm
  • B2 algorithm

What does the SIM card in GSM contain?

  • Microprocessor chip for security computations (correct)
  • Encryption keys for call establishment
  • Frequency Control Channel data
  • Subscriber personal data in plaintext

Which of the following is NOT a mechanism embedded in voice-oriented wireless networks?

<p>Encryption of subscriber conversations (D)</p> Signup and view all the answers

What is the primary function of the Operation and Maintenance Centre (OMC) mentioned in the text?

<p>Centralized operation of system units and maintenance functions (A)</p> Signup and view all the answers

In GSM, what does TMSI stand for?

<p>Temporary Mobile Subscriber Identity (A)</p> Signup and view all the answers

What is the responsibility of the Relay layer in the SMS architecture?

<p>Forwarding SMS Protocol Data Units (PDUs) through the Link Layer (A)</p> Signup and view all the answers

In GSM, when is the SDCCH used for sending Short Messages (SMs) to a mobile station?

<p>When the mobile station is in idle state (D)</p> Signup and view all the answers

Which layer in the SMS architecture can generate and display alphanumeric messages?

<p>Application layer (B)</p> Signup and view all the answers

What is a major problem faced in providing mobile applications on cellular networks according to the text?

<p>Lack of resources like bandwidth and processing power (B)</p> Signup and view all the answers

Which channel is used in GSM for call set-up and maintenance when a mobile station is in active state?

<p>Dedicated Control Channel (DCCH) (D)</p> Signup and view all the answers

What happens if a Mobile Station (MS) is in active state in GSM?

<p>SMS are transmitted in time slots over the air interface (D)</p> Signup and view all the answers

What is the purpose of the Broadcast Control Channel (BCCH) in GSM?

<p>To carry system information such as location area identity and cell identity (B)</p> Signup and view all the answers

Which channel is responsible for handling the initial call setup and call establishment in GSM?

<p>Dedicated Control Channel (DCCH) (D)</p> Signup and view all the answers

What is the function of the Frequency Correction Channel (FCCH) in GSM?

<p>Carry synchronization information to maintain frequency accuracy (D)</p> Signup and view all the answers

Which technology enables packet-switched data transmission over cellular networks in GSM?

<p>Cellular Digital Packet Data (CDPD) (C)</p> Signup and view all the answers

What is the primary purpose of the Base Transceiver Station (BTS) in a GSM system architecture?

<p>To provide radio coverage and interface with mobile devices (B)</p> Signup and view all the answers

In a GSM network, what does PLMN stand for?

<p>Public Land Mobile Network (A)</p> Signup and view all the answers

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