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WorksheetsGLOBAL SYSTEM FOR MOBILE COMMUNICATION (GSM)
Total questions: 15
Worksheet time: 8mins
What is the uplink frequency range for GSM 900?
890-915 MHz
935-960 MHz
1710-1785 MHz
1850-1910 MHz
Which component of the GSM architecture handles the radio communication between the mobile station and the network?
Mobile Switching Center (MSC)
Base Transceiver Station (BTS)
Base Station Controller (BSC)
Home Location Register (HLR)
What information does the Subscriber Identity Module (SIM) contain?
International Mobile Equipment Identity (IMEI)
International Mobile Subscriber Identity (IMSI)
Base Station Controller details
Mobile Switching Center location
What is the primary function of the Base Station Controller (BSC) in the GSM architecture?
It stores subscriber data.
It handles call setup and handovers.
It manages roaming agreements.
It encrypts data transmissions.
How does a GSM system ensure secure access to the network?
Through the use of frequency hopping.
By using the Subscriber Identity Module (SIM) protected with a PIN.
By limiting the number of users per cell.
Through periodic location updates.
Which of the following statements best describes the role of the Home Location Register (HLR) in GSM?
It controls the radio frequency spectrum.
It authenticates and tracks active mobile stations.
It contains administrative information about subscribers and their current locations.
It handles call setup and disconnection.
What is the purpose of the Equipment Identity Register (EIR) in the GSM system?
To manage and control network traffic.
To store the identities of mobile equipment and track their status.
To facilitate international roaming.
To update the location of mobile subscribers.
How does the GSM architecture handle call setup and management?
By directly connecting mobile stations to each other.
Through the coordination between the Base Station Controller (BSC) and Mobile Switching Center (MSC).
By storing all call details in the Subscriber Identity Module (SIM).
Using the International Mobile Subscriber Identity (IMSI) to identify calls.
What function does the Visitor Location Register (VLR) serve in the GSM network?
It manages call forwarding and call barring services.
It temporarily stores information about subscribers currently in its area.
It handles the encryption of voice and data transmissions.
It maintains a permanent record of all subscribers.
Why was GSM initially developed in Europe?
To introduce a standardized mobile communication system across countries.
To compete with the CDMA standard in the United States.
To create a government-controlled mobile network.
To restrict mobile communication to only European users.
What is the function of the Subscriber Identity Module (SIM) in GSM networks?
It provides power to the mobile device.
It identifies and authenticates the subscriber in the network.
It enhances the signal strength of mobile communication.
It enables multiple users to connect on the same frequency.
What is the main function of the Mobile Switching Center (MSC) in GSM architecture?
To store user authentication data
To connect and route calls between different networks
To generate IMEI numbers for mobile devices
To transmit radio signals to mobile users
Which of the following statements correctly describes the purpose of the Authentication Center (AUC) in a GSM network?
It manages the physical connections between users.
It stores administrative details of each subscriber.
It ensures network security by verifying user identities.
It tracks handsets using IMEI numbers.
What is the purpose of the Equipment Identity Register (EIR) in GSM?
To store subscriber phone numbers
To keep track of the status of mobile equipment using IMEI numbers
To handle call routing between base stations
To allocate frequency channels for communication
What is the role of the Base Station Controller (BSC) in the GSM architecture?
It is responsible for switching calls between mobile and fixed networks.
It handles radio communication with mobile stations.
It manages multiple BTSs and handles handovers between them.
It authenticates users before allowing access to the network.
