Techlte Blog

LTE Q & A (21/10/2020)

1.Components of TAI

  1. TAC,MNC
  2. TAC,MCC
  3. MNC,TAC,MCC
  4. TAC,MNC

Ans. MNC,TAC,MCC

2. ERAB Consist of

  1. S1 and S5/S8 Bearer
  2. Radio and S5/S8 Bearer
  3. Radio and S1 Bearer
  4. S1, Radio and S5/S8 Bearer

Ans. Radio and S1 Bearer

3. Default bearer uses

  1. Non-GBR
  2. GBR
  3. Both

Ans. Non-GBR

4. Which one is not a SIB2 parameter

  1. Prach-config
  2. PowerRampingStep
  3. Rach-ConfigCommon
  4. q_RxLevMinOffset

Ans. q_RxLevMinOffset

5. TRACKING AREA UPDATING (TAU) procedure is always initiated by

  1. UE
  2. PGW
  3. MME
  4. Enb
  5. UE or MME

Ans. MME


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