UMTS Objective type Questions and Answers

11) In this RRC mode, the mobile is only sending small pieces of information to the network, for example irregular Internet-based traffic or for signaling. The network does not perform handovers as the mobile moves from one cell to another. The UE just informs the network about its current location
 
  A. Cell_PCH
  B. Cell_FACH
  C. Cell_DCH
  D. URA_PCH
Ans: B

12) In this RRC mode, the network bearer is not being used for a long time but the mobile is still known to a cell level. In this state, the UE is using a Diagnostics Repetition Function (DRX) to save battery. No handover is needed when the mobile moves from one cell to another.
 
  A. Cell_PCH
  B. Cell_FACH
  C. Cell_DCH
  D. URA_PCH
Ans: A

13) In this RRC mode, a handover is needed when the mobile moves from one cell to another.
 
  A. Cell_PCH
  B. Cell_FACH
  C. Cell_DCH
  D. URA_PCH
Ans: C

14) In this URA_DCH RRC mode, the mobile is not being used for a long time but the mobile is known on the RNC level only.
 
  A. True
  B. False
  Ans: B
15) RRC as an entity is composed of two items, Medium Access Control (MAC) and Radio Link Control (RLC). Together these two are also called as Layer 3 processing.
 
  A. True
  B. False
  Ans: B

16) Transmission/Reception functions of the physical layer include: - mapping to physical channels - spreading, - modulation - power amplification and...
  A. Channel coding and interleaving
  B. Frame error correction
  C. Multiplexing of transport channels
  D. Bit error correction
Ans: A, C

17) A frequency and a code characterize a physical layer.
 
  A. True
  B. False
Ans: A

18) The MAC layer performs scheduling and mapping of logical channel data onto the transport channels provided by the physical layer.
 
  A. True
  B. False
Ans: A

19) For common transport channels, the MAC layer adds addressing information to distinguish data flows intended for different handsets.
 
  A. True
  B. False
Ans: A

20) In GSM, there is a possibility to dynamically switch one logical channel (data flow) onto different transport channel types, based on the activity of the subscriber.
 
  A. True
  B. False
  Ans: B

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Top 50 UMTS Objective type Questions and Answers

1) This interface enables the RNC to maintain Radio Resource Management (RRM) independently.
 
  A. Iur
  B. Iub
  C. Iu
  D. None of the choices
Ans: A

2) Wideband switching in the RNC makes the element structure of RNC remarkably different to element structure of BSC in GSM BSS during implementation.
 
  A. True
  B. False
Ans: A

3) What are the RNC functions to control radio resource connection (RRC) that require an active bearer (e.g. connection-based functions)?
 
  A. Handover Control, Micro Diversity
  B. Load Control
  C. Admission Control
  D. Packet Scheduler
  E. Resourace Manager
  F. Power Control
Ans: A, F

4) These are used to manage the amounf of power being transmitted and the number of subscribers in a cell. This control is important when introducing new bearer allocations into the network
 
  A. Power Control and Load Control
  B. Load Control and Admission Control
  C. Load Control and Packet Scheduler
  D. Resource Manager and Power Control
Ans: B

5) Which RNC function is responsible for allocation of bearer?
 
  A. Load Control
  B. Admission Control
  C. Micro Diversity
  D. Resource Manager
Ans: D

6) The main RRC states are detached, idle and connected.
 
  A. True
  B. False
  Ans: B

7) From the UE to the network connection point of view, the RRC changes its state from idle to connected.
 
  A. True
  B. False
Ans: A

8) For any user exchange of user data and signaling between the UE and the network, the RRC-connected state can be considered a prerequisite.
 
  A. True
  B. False
Ans: A

9) When there is no RRC connection between the mobile and the network, but the mobile is switched on, the mobile is considered to be in _____ mode. It means that the mobile is listening to one base station and is in readiness to start a connection, or is waiting to be paged.
 
  A. standby
  B. detached
  C. idle
  D. attached
Ans: C

10) In this RRC mode/state, a dedicated channel is provided to the subscriber. In this state, the UE is sending measurement reports to the network, which enables the system to control the dedicated bearer and perform handovers.
 
  A. Cell_PCH
  B. Cell_FACH
  C. Cell_DCH
  D. URA_PCH
Ans: C


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