Quiz 8: 4g: Lte/Lte-advanced For Mobile Broadband: Chapter 8 Lte Radio Interface Architecture: Quiz8

30 Questions | Total Attempts: 789

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Quiz 8: 4g: Lte/Lte-advanced For Mobile Broadband: Chapter 8 Lte Radio Interface Architecture: Quiz8

By: Dr. Munther Gdeisat


Questions and Answers
  • 1. 
    The node in the core network that is responsible of connecting a terminal to the Internet is
    • A. 

      Mobility Management Entity (MME)

    • B. 

      Serving-Gateway (S-GW)

    • C. 

      Packet Data Network Gateway (P-GW)

    • D. 

      Home Subscriber Service (HSS)

  • 2. 
    The node in the core network that is responsible of connection and release of bearers to a terminal is
    • A. 

      Mobility Management Entity (MME)

    • B. 

      Serving-Gateway (S-GW)

    • C. 

      Packet Data Network Gateway (P-GW)

    • D. 

      Home Subscriber Service (HSS)

  • 3. 
    The node in the core network that is responsible of collecting of statistics necessary for charging is
    • A. 

      Mobility Management Entity (MME)

    • B. 

      Serving-Gateway (S-GW)

    • C. 

      Packet Data Network Gateway (P-GW)

    • D. 

      Home Subscriber Service (HSS)

  • 4. 
    The node in the core network that acts as a database and contains subscribers information is
    • A. 

      Mobility Management Entity (MME)

    • B. 

      Serving-Gateway (S-GW)

    • C. 

      Packet Data Network Gateway (P-GW)

    • D. 

      Home Subscriber Service (HSS)

  • 5. 
    S1 user plane part (S1-u) interface connects eNodeB to
    • A. 

      Other eNodeBs

    • B. 

      Serving Gateway (S-GW)

    • C. 

      Mobility Management Entity (MME)

    • D. 

      Packet Data Network (PDN) Gateway (P-GW)

  • 6. 
    S1 control plane part (S1-c) interface connects eNodeB to
    • A. 

      Other eNodeBs

    • B. 

      Serving Gateway (S-GW)

    • C. 

      Mobility Management Entity (MME)

    • D. 

      Packet Data Network (PDN) Gateway (P-GW)

  • 7. 
    X2 interface connects eNodeB to
    • A. 

      Other eNodeBs

    • B. 

      Serving Gateway (S-GW)

    • C. 

      Mobility Management Entity (MME)

    • D. 

      Packet Data Network (PDN) Gateway (P-GW)

  • 8. 
    The layer in the radio access network that is responsible of IP header compression is
    • A. 

      Physical Layer (PHY)

    • B. 

      Packet data convergence protocol (PDCP)

    • C. 

      Radio-Link Control (RLC)

    • D. 

      Medium Access Control (MAC)

  • 9. 
    The layer in the radio access network that is responsible of hybrid ARQ retransmission
    • A. 

      Physical Layer (PHY)

    • B. 

      Packet data convergence protocol (PDCP)

    • C. 

      Radio-Link Control (RLC)

    • D. 

      Medium Access Control (MAC)

  • 10. 
    The layer in the radio access network that is responsible of modulation/ demodulation is
    • A. 

      Physical Layer (PHY)

    • B. 

      Packet data convergence protocol (PDCP)

    • C. 

      Radio-Link Control (RLC)

    • D. 

      Medium Access Control (MAC)

  • 11. 
    A packet sent from an upper layer is named as
    • A. 

      A Protocol Data Unit (PDU).

    • B. 

      A Service Data Unit (SDU).

  • 12. 
    The transmitted packet size in RLC can vary according to the transmitted bit rate.
    • A. 

      True

    • B. 

      False

  • 13. 
    The logical channel used for transmission of user data is
    • A. 

      BCCH

    • B. 

      PCCH

    • C. 

      DTCH

    • D. 

      CCCH

  • 14. 
    Which layer is responsible for handling of multiple component carrier in the case of carrier aggregation?
    • A. 

      PDCP

    • B. 

      RLC

    • C. 

      MAC

    • D. 

      PHY

  • 15. 
    A resource block in LTE has
    • A. 

      A duration of 1 ms and a bandwidth of 180 kHz

    • B. 

      A duration of 2 ms and a bandwidth of 5 MHz

  • 16. 
    Scheduler is part of the -----  layer.
    • A. 

      PDCP

    • B. 

      RLC

    • C. 

      MAC

    • D. 

      PHY

  • 17. 
    The modulation scheme used in the uplink transmission is determine by the
    • A. 

      ENodeB

    • B. 

      UE

  • 18. 
    Channel-state reports are used to support
    • A. 

      Uplink channel-dependent scheduling

    • B. 

      Downlink channel-dependent scheduling

  • 19. 
    Sounding reference signals  are used to support
    • A. 

      Uplink channel-dependent scheduling

    • B. 

      Downlink channel-dependent scheduling

  • 20. 
    Hybrid ARQ  is part of the -----  layer.
    • A. 

      PDCP

    • B. 

      RLC

    • C. 

      MAC

    • D. 

      PHY

  • 21. 
    Soft combining  is part of the -----  layer.
    • A. 

      PDCP

    • B. 

      RLC

    • C. 

      MAC

    • D. 

      PHY

  • 22. 
    • A. 

      Hybrid ARQ is carried out to transport block 1

    • B. 

      Hybrid ARQ is carried out to transport block 2

    • C. 

      Hybrid ARQ is carried out to transport block 3

    • D. 

      Hybrid ARQ is carried out to transport block 4

    • E. 

      Hybrid ARQ is carried out to transport block 5

  • 23. 
    The protocol layer that provides faster retransmission is
    • A. 

      RLC

    • B. 

      MAC

  • 24. 
    The protocol layer that is responsible of coding is
    • A. 

      PDCP

    • B. 

      RLC

    • C. 

      MAC

    • D. 

      PHY

  • 25. 
    Which channel is used for providing the scheduler and the hybrid-ARQ protocol with information about the situation at the terminal?
    • A. 

      DCI

    • B. 

      UCI

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