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4G/5G Cellular Networks Quiz
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4G/5G Cellular Networks Quiz

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Questions and Answers

Which organization is responsible for the technical standards of 4G and 5G cellular networks?

  • 3rd Generation Partnership Project (3GPP) (correct)
  • Internet Engineering Task Force (IETF)
  • Institute of Electrical and Electronics Engineers (IEEE)
  • International Telecommunication Union (ITU)
  • What is the main difference between 4G/5G cellular networks and wired Internet?

  • Separation of data/control planes
  • Global cellular network
  • Use of HTTP and DNS protocols
  • Different wireless link layer (correct)
  • What is a key element of the 4G LTE architecture when it comes to user identity?

  • Network Interface Card (NIC)
  • SIM card (correct)
  • IP address
  • MAC address
  • What distinguishes the business model of 4G/5G cellular networks from wired Internet?

    <p>Users subscribe to a cellular provider</p> Signup and view all the answers

    In LTE mobile networks, what is the purpose of 'light sleep' mode?

    <p>To check for downstream transmissions after periods of inactivity</p> Signup and view all the answers

    What is the major mobility task involved in configuring LTE control-plane elements in 4G networks?

    <p>MME configuration of visited forwarding tunnels for mobile</p> Signup and view all the answers

    What is the purpose of the S-GW to home P-GW tunnel in 4G networks?

    <p>To implement indirect routing during data transmission</p> Signup and view all the answers

    What is the role of the target BS in the handover process between BSs in the same cellular network?

    <p>Pre-allocates radio time slots and responds with HR ACK to the source BS</p> Signup and view all the answers

    What is one of the goals of 5G networks according to ITU recommendations?

    <p>Support very high data rates and ultra-reliable low latency communication</p> Signup and view all the answers

    What is the role of the Mobility Management Entity (MME) in the 4G LTE architecture?

    <p>Coordinating device authentication</p> Signup and view all the answers

    What is the primary function of the Serving Gateway (SGW) in the 4G LTE architecture?

    <p>Lying on the data path from mobile to/from the Internet</p> Signup and view all the answers

    What is the purpose of the Home Subscriber Service (HSS) in the 4G LTE architecture?

    <p>Storing information about mobile devices</p> Signup and view all the answers

    In the LTE data plane protocol stack, what does the Packet Data Convergence (PDCP) handle?

    <p>Header compression, encryption</p> Signup and view all the answers

    What is the function of the Packet Data Convergence (PDCP) in the LTE data plane protocol stack?

    <p>Fragmentation/reassembly, reliable data transfer</p> Signup and view all the answers

    What distinguishes LTE data plane protocol stack from other routers?

    <p>Orthogonal frequency division multiplexing</p> Signup and view all the answers

    What is the role of the PDN Gateway (P-GW) in 4G LTE architecture?

    <p>Lying on the data path from mobile to/from the Internet</p> Signup and view all the answers

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