5G NR Layer 3- RRC Interview Question

In this post we will list the Interview Question for 5G NR on Layer 3 which includes RRC, NGAP, XnAP etc.

5G Cell Search – Synchronization Raster and Channel Raster?
What is the content of MIB in 5G?
What do you understand by RMSI and OSI w.r.t. System information in 5G?
What is the content of SIB#1 in 5G?
What is SI-RNTI number?
What is the difference between 5G SIB#1 and 4G SIB#1
What is use of MIB IE “pdcch-ConfigSIB1” ?
Explain ControlResourceSetZero & SearchSpaceZero ?
List the all available SIB in 5G?
What is pointA. How UE find out pointA Frequency and SSB Center Frequency?
What is kSSB, how it is used?
What is SubcarrierSpcaingCommon?
Which RRC message containing BWP information?
What is RRC Connection cause ?
What is the Use of RRC Connection cause with High-Priority?
What is Unified access control?
Explain Signaling Radio Bearers (SRBs) w.r.t. 5G?
Which SRB has highest and least priority?
Which RLC mode is used for SRBs?
How Network and Radio Capabilites is transferred in 5G to NG-RAN and 5GC?
How many states are defined for RRC?
What is the role of RRC layer in Carrier Aggregation (CA) ?
List the alrogrithms used for 5G RRC and NAS chipering and integrity?
How UE finds channel B/W when no IE available in 5G MIB?
What is Paging RNTI (P-RNTI) number?
Explain about Paging in 5G?
What all the channel involved in Paging Flow? Explain form Top to Bottom
What is MeasObject, ReportConfig and MeasID?
How MeasObject, ReportConfig and MeasID are related?
What the all measurement event available in 5G?
What is the use of A1, A2 and A3 Event?
What do you understand from Offset and threshold w.r.t. measurement events?
Explain Handover? what are the different types of HO defined for 5G based on Interfaces?
Explain XnAP Handover Call Flow?
Explain N2 or NGAP Handover?
Where XnAP handover is used and where NGAP handover is used?
What in N26 Interface and what its significance w.r.t. 5G?
Explain 5G SA Registration Call Flow?
How 5G can support Voice Service?
What is VoNR and Explain the Call flow?
What is RoHC and how it used for VoNR?
What 5QI does not use RoHC w.r.t. VoNR?
What the different types of RoHC profile define and which one applicable for VoNR?

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