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Question posted by Vikram Singh

+2 votes
0 answers
5G: Can someone please explain RRC connection in 5G NR ? Is there any difference in 5G NR compare to 4G LTE ?
posted May 25, 2019
  • 5g
  • lte
  • nr
  • ue
0 votes
2 answers
GSM: What kind of information is kept in HLR and VLR ?
posted Feb 6, 2019
  • interview questions
  • gsm
  • telecom
0 votes
1 answer
SGW: What is the role of serving gateway in LTE network ?
posted Jan 19, 2019
  • lte
  • telecom
  • core network
  • interview questions
0 votes
0 answers
IMS : What IBCF does in IMS network and when it becomes mandatory to be present in network ?
posted Jan 4, 2019
  • ims
  • lte
0 votes
0 answers
VoLTE: How does voice call establish when one party using VoLTE technology and the other one using 2G ?
posted Jan 1, 2019
  • lte
  • volte
  • sip
  • ims
  • epc
0 votes
1 answer
LTE: What is the role of policy and charging rule function (PCRF) during the attach procedure ?
posted Oct 25, 2018
  • pcrf
  • interview questions
  • lte
  • core network
0 votes
0 answers
LTE: What action should be taken by MME if UE re-attach without detaching from network ?
posted Oct 24, 2018
  • lte
  • interview questions
  • core network
  • mme
0 votes
0 answers
SCTP: How many types of information is exchanged between two SCTP ends point ?
posted Oct 13, 2018
  • sctp
  • interview questions
0 votes
0 answers
LTE: In which scenario bearer binding and event reporting function (BBERF) is used ?
posted Oct 12, 2018
  • lte
  • telecom
  • sgw
  • pcrf
0 votes
0 answers
LTE: How SMS service is provided in LTE network in both the cases when UE does combined or LTE only attach ?
posted Oct 11, 2018
  • lte
  • core network
  • ue
  • interview questions
  • mme
0 votes
0 answers
LTE: How the uplink and downlink data flow through indirect data forwarding tunnels in S1- handover ?
posted Oct 5, 2018
  • lte
  • handover
  • enodeb
  • mme
  • sgw
0 votes
0 answers
TUN : In which scenario TUN interface is created ? Looking for any practical example .
posted Oct 4, 2018
  • virtualization
  • networking
+1 vote
0 answers
C++: What is the difference between list and forward list ?
posted Oct 3, 2018
  • interview questions
  • c++
+2 votes
0 answers
C++: Difference between virtual class and virtual function ?
posted Oct 2, 2018
  • c++
  • interview questions
+1 vote
0 answers
C++: Why destructor is defined as virtual in a derived class ?
posted Oct 1, 2018
  • c++
  • interview questions
+1 vote
1 answer
C++ : What is the difference when a function is defined within a class and outside class ?
posted Aug 19, 2018
  • c++
  • interview questions
0 votes
1 answer
C++: What is the functional difference between clog and cerr ?
posted Aug 11, 2018
  • c++
  • interview questions
+2 votes
1 answer
LTE: Why only PHICH not other channels are transmitted in the Master Information Block ?
posted Jul 25, 2018
  • lte
  • interview questions
  • phy
  • mac
+1 vote
0 answers
C: Program to count number of packets sent within a minute ?
posted Jul 9, 2018
  • interview questions
  • c programming
  • c
+1 vote
0 answers
LTE-CUPS: Why a new protocol "PFCP" is defined between control and user plane nodes ?
posted Jun 30, 2018
  • lte
  • epc
  • cups
  • lte-epc
+1 vote
0 answers
LTE: How many maximum cells can be created by a femto ?
posted Jun 27, 2018
  • lte
  • femtocell
  • enodeb
+1 vote
0 answers
5G: Does the 5G network support interfaces with LTE network nodes to support graceful handovers ?
posted Jun 27, 2018
  • 5g
  • telecom
  • lte
  • core network
0 votes
1 answer
LTE: How a MME find out current serving plmn for an UE as selected plmn is communicated in RRC message ?
posted May 28, 2018
  • lte
  • enodeb
  • ue
  • mme
+1 vote
0 answers
LTE: Which all places changes would be made at eNodeB to support Cat M1 or NB-IOT ?
posted May 28, 2018
  • iot
  • enodeb
  • lte
  • m2m
  • 5g
0 votes
0 answers
Does the number of NUMA nodes as same as available number of sockets in system ?
posted May 27, 2018
  • linux
  • computer science
  • hardware
+1 vote
1 answer
Logical cores (lcores) and vCPU both are same or different ?
posted May 26, 2018
  • virtualization
  • interview questions
+1 vote
0 answers
Linux: In which scenarios, we should use pthread_detach function ?
posted May 26, 2018
  • linux
  • posix
  • threads
+2 votes
1 answer
LTE: What could be the reason of attach reject from network even when NAS security has been completed successfully ?
posted Apr 28, 2018
  • lte
  • interview questions
  • core network
+2 votes
1 answer
LTE: What all information UE may request from network in protocol configuration option (PCO) as part of attach request ?
posted Apr 28, 2018
  • lte
  • epc
  • interview questions
0 votes
0 answers
What are the fundamental differences among Parallel, Distributed and Concurrent Computing ?
posted Apr 28, 2018
  • computer science
  • computer
+2 votes
0 answers
LTE: When MME asks HSS to provide more than one authentication vectors in Authentication-Information-Answer message ?
posted Apr 27, 2018
  • lte
  • diameter
  • mme
  • hss
  • interview questions
+2 votes
1 answer
LTE: How does two GTP entities detect link failure and what actions are taken by both entities in this case ?
posted Apr 27, 2018
  • lte
  • 5g
  • telecom
  • gtp
+2 votes
0 answers
LTE: Is it necessary, all PGWs serving an UE for different APNs communicate with same PCRF ?
posted Apr 26, 2018
  • lte
  • interview questions
  • telecom
  • 5g
0 votes
0 answers
SDN: What all extra things we can do using the SDN switches ?
posted Apr 25, 2018
  • sdn
  • cloud computing
  • networking
  • opensource
  • virtualization
0 votes
0 answers
SDN: What are the advantages of SDN switches over the normal switches ?
posted Apr 25, 2018
  • sdn
  • networking
  • cloud computing
+1 vote
0 answers
Cloud: What is the mean by live migration of instances in the cloud technology ?
posted Apr 19, 2018
  • virtualization
  • 5g
  • cloud computing
+1 vote
LTE: Which UDP port number is reserved for PFCP protocol in EPC CUPS architecture ? [MCQ]
posted Apr 9, 2018
  • lte
  • cups
  • lte-epc
  • epc
0 votes
0 answers
C: What is cyclic nature for a far pointer ?
posted Apr 3, 2018
  • interview questions
  • c
  • pointer
+2 votes
1 answer
C: What is call back function and when it is used ?
posted Apr 3, 2018
  • interview questions
  • c
+1 vote
0 answers
C : What is the use of __func__ pre-defined identifier ?
posted Apr 3, 2018
  • c
  • programming
+2 votes
0 answers
5G: Is it necessary to implement different radio interfaces each for different n/w slice supported in NG-RAN node ?
posted Mar 28, 2018
  • 5g
  • lte
  • telecom
+2 votes
0 answers
5G: How a device come to know RAN network supports the slice to which it want to connect ?
posted Mar 28, 2018
  • ran
  • lte
  • 5g
  • ue
+1 vote
0 answers
5G: What is the use of RRC inactive assistance information IE sent by AMF in ICS Request message ?
posted Mar 24, 2018
  • 5g
  • lte
  • ran
  • telecom
+3 votes
1 answer
5G: How handover will work in 5G network ? Is it same as LTE ?
posted Mar 18, 2018
  • 5g
  • telecom
  • lte
  • handover
0 votes
0 answers
What is segment routing and how does it work ?
posted Mar 18, 2018
  • routing
  • telecom
  • cloud computing
  • networking
0 votes
0 answers
How a device decide to initiate an arp packet for a target destination ?
posted Mar 18, 2018
  • interview questions
  • networking
  • switching
  • routing
+1 vote
0 answers
Cloud: Before creating a virtual machine what all need to be checked w.r.t to BIOS and hardware ?
posted Mar 10, 2018
  • cloud computing
  • virtualization
  • ubuntu
0 votes
2 answers
5G: Is it necessary to support LTE interfaces at next generation core network (NGCN) ?
posted Mar 7, 2018
  • 5g
  • telecom
  • core network
  • lte
+1 vote
1 answer
5G: What are the use cases of eMBB, mMTC and uRLLC ?
posted Mar 7, 2018
  • 5g
  • lte
  • telecom
0 votes
0 answers
5G: How filter OFDM (F-OFDM) is different from cyclic prefix OFDM (CP-OFDM) ?
posted Mar 7, 2018
  • 5g
  • phy
  • lte
  • telecom
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