Font size
S
M
L
XL
Worksheetstraining_papa
Total questions: 133
Worksheet time: 2hrs 40mins
Name
Class
Date
1.
Which tool can be used to open the xml counter files by a BTS Snapshot
a)
EMIL
b)
LTEPAT
c)
Sherpa
d)
Wireshark
2.
Which of the following impact the NSA Call Accesibility KPI measured at 5G BTS
a)
The 5G BTS fails to receive the X2AP:SgNB Addition Request
b)
The 5G BTS rejects the X2AP:SgNB Addition Request due to PUCCH congestion
c)
The UE fails the PRACH procedure at the target 5G cell
d)
The UE moves out of 5G coverage after the 5G BTS receives the X2AP: SgNB Addition request
3.
Which of the following can be quantified using the "NR DL HARQ" counters
a)
HARQ Round Trip Time
b)
Utilization of each HARQ Process
c)
Dropped HARQ Packets
d)
Initial and Residual BLER
4.
Which statement is TRUE for CQI and MCS counters
a)
Both CQI and MCS counters record values before Link Adaptation is applied
b)
Both CQI and MCS counters record values after Link Adaptation is applied
c)
CQI counters record the values reported by the UE, whereas MCS counters record the values after Link Adaptation has been applied
d)
CQI counters record the values after Link Adaptation has been applied, whereas MCS counters record the values before Link Adaptation is applied
5.
Which counter category is available for the E1 interface belonging to the 5G BTS
a)
Control Plane
b)
User Plane
c)
Management Plane
d)
Synchronization Plane
6.
Which two parameters impact the maximum cell range associated with PRACH procedure
a)
zeroCorrelationZoneConfig and prachConfigurationIndex
b)
prachRootSequenceIndex and preambleReceivedTarget
c)
zeroCorrelationZoneConfig and prachRootSequenceIndex
d)
prachConfigurationIndex and raResponseWindows
7.
How many times greater is the number of 5G PCI compared to the number of 4G PCI
a)
1.5x
b)
2x
c)
3x
d)
4x
8.
Which of the following can be used to indicate that an antenna is radiating beyond the planned maximum PRACH cell range
a)
The UE does not transmit MSG1
b)
The BTS does not receive MSG1
c)
The BTS does not transmit MSG2
d)
The UE does not transmit MSG3
9.
Which Measurement Reporting Event is configured if the UE sends an Event A1 Measurement Report due to radio condition improving
a)
A2
b)
A3
c)
A4
d)
A5
10.
A 5G cell has two neighbouring cells on the same RF carrier with the same PCI. These two neighbouring cells do not overlap with each other. This scenario leads to
a)
PCI Collision
b)
PCI Isolation
c)
PCI Confusion
d)
PCI Collision and PCI Confusion
11.
Which of the following is a consideration when selecting a 4G anchor carrier
a)
Inter-modulation at the BTS when transmitting on 4G and 5G simultaneously
b)
Inter-modulation at the BTS when receiving on 4G and 5G simultaneously
c)
Inter-modulation at the UE when transmitting on 4G and 5G simultaneously
d)
Inter-modulation at the UE when receiving on 4G and 5G simultaneously
12.
Which of the following statement is FALSE
a)
The 5G SCG Bearer is setup after the corresponding EPS Bearer has been setup at the 4G BTS
b)
5G Secondary Cell Addition involves the setup of a User Plane connection between the gNB and Serving Gateway
c)
Blind 5G Secondary Cell Addition is faster than Measurement based 5G Secondary Cell Addition
d)
The 5G Secondary Cell Addition involves the setup of Control Plane connection between the gNB and MME
13.
Which protocol is used by the X2-C interface belonging to an NSA BTS
a)
SCTP
b)
GTP
c)
Diameter
d)
TCP/IP
14.
During 5G Secondary Cell Addition, the x2AP : SgNB Reconfiguration Complete message is to confirm
a)
The reservation of resources for the new connection at the gNB
b)
Completion of the Random Access procedure at the gNB
c)
Reception of the RRC Reconfiguration Complete message at the eNB
d)
Reception of the RRC Reconfiguration Complete message at the gNB
15.
Which of the following is a requirement for successful addition of NR neighbours when using ANR for EN-DC: Fast Neighbours Relation Addition
a)
The UE should report the ECGI within a Measurement Report
b)
The relevant LNADJGNB should be created manualy
c)
The MeNB and the target gNB must be co-located
d)
The MeNB must obtain the target gNB IP address via the MME
16.
When using Nokia's Measurement based secondary Cell Addition towards a 5G cell with multiple beams, how does the UE derive the measurement used to trigger the addition
a)
The UE uses the average of the measurements from the strongest 3 beams
b)
The UE uses the measurement from the strongest beam
c)
The UE uses the average of the measurement from all detected beams
d)
The UE uses the measurement from a specific beam selected by the-4G BTS
17.
How does a UE know the subcarrier spacing of the 5G cell to be measured for 5G secondary cell addition when using NSA Option 3x
a)
The UE reads the subcarrier spacing from the 4G SIB
b)
The UE reads the subcarrier spacing from the 5G SIB
c)
The UE reads the subcarrier spacing from the 5G MIB
d)
The UE obtains the subcarrier spacing from the-4G BTS using dedicated signalling
18.
Which parameter(s) must be populated when creating an LNADJGNB parameter object at a 4G BTS? (all remaining parameters are populated automatically during X2 setup)
a)
C-plane IP address
b)
mcc, mnc, C-plane IP address
c)
U-plane IP address
d)
mcc, mnc, U-plane IP address
19.
When using Nokia's Phase 1 solution for DSS (MBSFN subframes allocated to NR), the minimum period between changes to the LTE/NR subframe allocation is 5 mins. The reason for this relatively large minimum period is
a)
Dedicated signalling cannot update all UE at a high rate
b)
LTE SIB cannot be updated at a high rate
c)
LTE MIB cannot be updated at a high rate
d)
NR MIB cannot be updated at a high rate
20.
Within the context of DSS, which Nokia proprietary interface connects the Common Resource Manager (CRM) to both th eNB and gNB
a)
Xn
b)
Xp
c)
X2
d)
F1
21.
Which mechanism is used when a UE wishes to release a 5G connection due to overheating, while using NSA Option 3x ?
a)
The UE reports a 5G Radio Link Failure (RLF) to the 5G BTS
b)
The UE reports a 5G Radio Link Failure (RLF) to the 4G BTS
c)
The UE forwards a Secondary Cell Release message to the-4G BTS
d)
The UE forwards a Secondary Cell Release message to the-5G BTS
22.
Which tool would be used for 5G parameter and neighbour assessment
a)
DCAP
b)
EMIL
c)
LOGOS
d)
RADAR
23.
Which of the following can be used to improve 5G Retainability statistics at a Non-Standalone BTS
a)
Enabling inter-system handover from 5G towards 3G
b)
Enabling 5G Secondary Cell release triggered by Event A2
c)
Enabling the 5G RRC Connection Re-establishment procedure
d)
Increasing the 5G RRC Inactivity timer
24.
Which of the following specifies all possible Demodulation Reference Signal (DMRS) and Phase Tracking Reference Signal (PTRS) combinations supported by the Nokia 5G BTS
a)
1. One DMRS symbol without the PTRS<br />2. One DMRS symbol with the PTRS<br />3. Two DMRS symbols without the PTRS<br />4. Two DMRS symbols with the PTRS
b)
1. One DMRS symbol without the PTRS<br />2. PTRS without the DMRS<br />3. One DMRS symbols with the PTRS<br />4. Two DMRS symbols without the PTRS
c)
1. One DMRS symbol without the PTRS<br />2. One DMRS symbol with the PTRS<br />3. Two DMRS symbols with the PTRS<br />4. Three DMRS symbols without the PTRS
d)
1. One DMRS symbol without the PTRS<br />2. One DMRS symbol with the PTRS<br />3. Two DMRS symbols with the PTRS<br />4. Three DMRS symbols with the PTRS
25.
When using NSA option 3x, with "ulDataPath = ulOverLTE", which content is NOT transferred using the 5G PUSCH?
a)
TCP Acknowledements for downlink data transferred using the 5G PDSCH
b)
RLC Status Reports for downlink data transferred using the 5G PDSCH
c)
Power Headroom (PHR), MAC Control Elements
d)
Dummy Data Packets generated in response to 5G Proactive Scheduling
26.
Which of the following is a mandatory requirement to support 8 SS/PBCH beams in Frequency Range 1
a)
Use of a 10 ms SS/PBCH transmission period
b)
use of 64T64R active antenna
c)
use of the tdLte frame structure with a 3 ms time offset
d)
Use of a 4 ms SS/PBCH measurement window for 5G Secondary Cell Addition
27.
The PUCCH is used to transfer HARQ Acknowledgements, Scheduling Request and
a)
Buffer Status Report (BSR)
b)
Power Headroom (PHR) Reports
c)
Channel State Information (CSI) Reports
d)
RLC Status Reports
28.
Which of the following statement is TRUE when configuring 'TDD' with 5G20B software
a)
The scheduling Request Period is controlled using the srPeriodicity parameter, while the CSI Reporting Period is controlled using the csiReportPeriodicity parameter
b)
The scheduling Request Period is determined dynamically by the BTS based upon the PUCCH load, while the CSI Reporting Period is controlled using the csiReportPeriodicity parameter
c)
The scheduling Request Period is set equal to the CSI Reporting Period and both are controlled using srPeriodicity parameter
d)
The scheduling Request Period is set equal to the CSI Reporting Period and both are controlled using csiReportPeriodicity parameter
29.
Which of the following reduces latency
a)
Use of Cloud BTS rather than Classical BTS
b)
Use of FDD rather than TDD
c)
Use of the 30 kHz rather than 120 kHz subcarrier spacing
d)
Use of an Active rather than Passive Antenna
30.
What is the slot duration when using a subcarrier spacing of 120 kHz
a)
0.125 ms
b)
0.25 ms
c)
0.5 ms
d)
1 ms
31.
Which of the following may prevent a UE from using Beam Refinement
a)
The Path loss exceeds a specific configured threshold
b)
The UE has high mobility and rapid beam switching has been detected
c)
An SS/PBCH Beam is reported as being stronger than refined beam
d)
The UE does not support suifficient CSI Reference Signal resources
32.
Which Network Element is responsible to taking decisions for Beam Switching
a)
UE
b)
Active Antenna
c)
5G BTS Distributed Unit (DU)
d)
5G BTS Centralised Unit (CU)
33.
Which tool is capable of using a genetic algorithm for Beam Set Optimisation
a)
9955 Planning Tool
b)
EdenNET
c)
MUSA
d)
Octopus
34.
When using 6 SS/PBCH beams, the 'BEAM_CHANGE_3_3' counter quantifies the number of times that
a)
the serving SS/PBCH beam changes while using the #3#3 beam pattern
b)
the serving Refined Beam changes while using the #3#3 beam pattern
c)
the serving Refined Beam changes while continuing to use SS/PBCH beam 3
d)
the BTS receives Beam Management reports from the UE which do not trigger a change of the serving ss/PBCH beam, while the UE is being served by SS/PBCH beam 3
35.
When Beam refinement is enabled, the UE is requested to report
a)
ssb-Index-RSRP for the best beam
b)
ssb-Index-RSRP for the best two beams
c)
CSI-RSRP for the best beam
d)
CSI-RSRP for the best two beams
36.
A colleague collected for you a 5G UE log with QXDM and he is asking you to check the DL MCS allocated to UE. Which tool will you use ?
a)
LTEPAT
b)
NEMO
c)
TEMS
d)
ARGUS
37.
How can 5G trace data be obtained for EMIL
a)
EMIL can connect directly to the 5G BTS the sama way that it can connect to a 4G BTS
b)
An EMIL connection to the 4G BTS is sufficient. The-4G BTS retrieves 5G trace data over the X2 and forwards it to EMIL
c)
EMIL does not support 5G trace data
d)
A direct connection to the 5G BTS is not supported. Connection to the 5G BTS is via flow Tracer (DCAP)
38.
What is NSETAP-X
a)
A Nokia proprietary protocol to support Nokia procedures which are not defined by 3GPP. It reuses the X2/Xn interface
b)
A Managed Object Class (MOC) within the 5G BTS MO hierarchy for the activation of cell trace
c)
A BTS internal process for processing of X2/Xn signaling
d)
A tracing protocol between a gNB and a Trace Collector Entity (TCE) server
39.
The Downlink Data Delivery (DDDS) procedure provides feedback to control downlink user data flows. DDDS can be useful input when troubleshooting flow control. In the case of EN-DC, which interfaces contain DDDS frames
a)
F1-C & X2-C
b)
E1-U & X2-U
c)
F1-U & X2-U
d)
E1-C & X2-C
40.
Which of the following protocol traces would you check to find out whether a Radio Link Failure (RLF) was initiated by the UE or SgNB
a)
X2AP (between MeNB and SgNB)
b)
NR RRC
c)
S1AP (on MeNB)
d)
NGAP
41.
When beam refinement is enabled, the serving beam counters are pegged for
a)
only refined beams in both the uplink and downlink directions
b)
only SS/PBCH beams in both the uplink and downlink direction
c)
only the refined beams in the downlink direction, and only the SS/PBCH beams in the uplink direction
d)
both the refined and SS/PBCH beams in both of the uplink and downlink directions
42.
What happens when a UE decides to release its 5G connection for NSA Option 3x due to overheating?
a)
The UE reports an scgFailureInformation message to the 5G BTS and retainability KPI are not degraded
b)
The UE reports an scgFailureInformation message to the 5G BTS and retainability KPI are degraded
c)
The UE reports an scgFailureInformation message to the 4G BTS and retainability KPI are not degraded
d)
The UE reports an scgFailureInformation message to the 4G BTS and retainability KPI are degraded
43.
Ghost PRACH preables lead to
a)
Poor MSG1 to MSG2 Success Rate with NO impact upon PUSCH resource allocation
b)
Poor MSG1 to MSG3 Success Rate with NO impact upon PUSCH resource allocation
c)
Poor MSG1 to MSG2 Success Rate with SOME impact upon PUSCH resource allocation
d)
Poor MSG1 to MSG3 Success Rate with SOME impact upon PUSCH resource allocation
44.
The EN_DC_X2_SETUP_ATT and EN_DC_X2_SETUP_SUCC counters are incremented against which Manage Object
a)
LNBTS
b)
LNBTS for EN_DC_X2_SETUP_ATT and LNCEL for EN_DC_X2_SETUP_SUCC
c)
LNREL
d)
LNCEL
45.
Which Measurement Reporting Event is triggered based upon the serving cell signal strength exceeding a specific threshold
a)
A1
b)
A2
c)
A3
d)
A5
46.
A UE receives the sama PCI from two cell on the same RF carrier. This is known as
a)
PCI Collision
b)
PCI Isolation
c)
PCI Confusion
d)
PCI Contention
47.
RSRQ is defined as RSCP/X, where X is given by
a)
Total RSSI measured across the bandwidth of the channel
b)
Total RSSI measured across the bandwidth of SS/PBCH
c)
RSSI per PRB
d)
RSSI per subcarrier
48.
Which principle is NEVER fullfilled if a UE receives the same PSS from multiple cells
a)
PCI Mod 3
b)
PCI Mod 4
c)
PCI Mod 15
d)
PCI Mod 30
49.
When using Nokia's measurement based secondary Cell Addition, which Measurement reporting Event is used to trigger the addition
a)
Event B1
b)
Event B2
c)
Event B3
d)
Event A2
50.
Which LTE feature is a prerequisite when activating Measurement Gaps for NR measurement
a)
LTE1130 Dynamic PUCCH Allocation
b)
LTE42 DRX in RRC Connected Mode
c)
LTE1679 DRX with Parallel UE Measurement Gaps
d)
LTE4054 Dyanmic Power Backoff
51.
Why is it important to have Phase Synchronisation at both the 4G and 5G BTS when using NSA Option 3x
a)
To ensure that the 4G BTS has precise knowledge of the timing that the UE applies when executing 5G Secondary Cell Addition
b)
To allow the 4G and 5G Packet Schedulers to operate in a coordinated manner
c)
To ensure that the 4G and 5G BTS use the same timing for uplink and downlink transmission and thus avoid generating interference between systems
d)
To ensure that the timing of the 4G Measurement Gaps can be aligned with the 5G SS/PBCH when completing measurements for 5G Secondary Cell Addition
52.
When using 8 SS/PBCH beams with a 30 kHz subcarrier spacing, what is the minimum measurement windows duration which can be configured to capture all SS/PBCH
a)
1 ms
b)
2 ms
c)
4 ms
d)
8 ms
53.
When using Nokia's Phase 1 solution for DSS (MBSFN subframes allocated to NR), an ENDC connection which is using the DSS Carrier for 5G transfers uplink user plane data using
a)
the 4G anchor carrier
b)
the 5G DSS carrier
c)
Both the 4g anchor carrier and the 5G DSS carrier, with a dynamic data split
d)
Both the 4g anchor carrier and the 5G DSS carrier, with a static data split
54.
Which of the following is a DRAWBACK of DSS Phase 2 (LTE-NR CRS Rate Matching DSS) when compared to DSS Phase 1 (MBSFN Subframe DSS)
a)
The resource element capacity available to the 5G PDSCH within a subframe is reduced
b)
The Common Resource Manager (CRM) operates at a slower rate
c)
The number of Resource Blocks available to the 5G PUSCH is reduced
d)
The number of subframes per radio frame which can be allocated to 5G is reduced
55.
Which of the following should be completed first
a)
Neighbour optimisation
b)
PRACH Root Sequence optimisation
c)
RF optimisation
d)
Radio feature optimisation
56.
When NRCELL - lteNrDssMode has been set to 'DSS_Phase_1' (MBSFN subframe selection), what are the minimum and maximum sharing ratios which can be configured
a)
20% and 60%
b)
50% and 50%
c)
0% and 1005
d)
30% and 70%
57.
Which of the following is difference between VoLTE and VoNR
a)
VoNR does not require a Guaranteed Bit Rate (GBR) bearer
b)
VoNR does not use Unacknoledged Mode RLC for the voice media
c)
VoNR does not use separate bearers for the transfer of IMS signaling and voice media
d)
VoNR does not use support SRVCC towards 2G
58.
Which of the following can cause Admission Control blocking at the 5G BTS
a)
Poor 5G radio conditions
b)
Insufficient PDCCH capacity
c)
Insufficient PUSCH capacity
d)
Insufficient PUCCH capacity
59.
Why is it important that TDD 5G BTS have Phase Synchronisation
a)
To prevent interference from the 5G DL towards the 4G UL when using ENDC
b)
To prevent interference from the 5G UL towards the 4G DL when using ENDC
c)
To prevent interference from DL belonging to one 5G BTS to the UL belonging to a neighbour 5G BTS
d)
To prevent interference from DL belonging to one 5G BTS to the DL belonging to a neighbour 5G BTS
60.
Which of the following is TRUE when beamforming is enabled with multiple SS/PBCH blocks
a)
The PDSCH uses only the best beam when transmitting rank 4 with 4x4 MIMO
b)
The PUCCH load per UE is increased because UE are instructed to provide CSI reports for both MIMO and Beam management
c)
The Nokia 5G BTS is able to receive the PRACH on each SS/PBCH beam simultaneously when using digital beamforming
d)
The PDCCH load per UE is increased because the PDCCH payload has to specify the SS/PBCH beam to be used during a spesific slot
61.
Which of the following is a consequence of the 5G BTS receiving Ghost PRACH preambles
a)
Each UE receive an increased volume of MSG2 transmissions on the PDSCH
b)
The BTS receives an increased volume of MSG3 transmissions on th PUSCH
c)
PUSCH load increases due to unnecessary reservation for MSG3
d)
PDSCH load increases due to unnecessary reservation for MSG4
62.
When using an Active Antenna, where are the beamforming weights applied to generate the set of downlink beams
a)
Within the Radio Access Unit (RAU) at Layer 3
b)
Within the Radio Access Unit (RAU) at Layer 2
c)
Within the Radio Access Unit (RAU) at Layer 1
d)
Within the Active Antenna
63.
Which refined beam patterns are supported by Nokia
a)
Only square patterns
b)
Square and Elevation patterns
c)
Square and Azimuth patterns
d)
Elevation and Azimuth patterns
64.
Which of the following is TRUE when 'PDSCH at SSB slots' feature is enabled when 8 SS/PBCH Beams are being used with the 30 kHz subcarrier spacing
a)
The PDSCH is transmitted above and below the SS/PBCH, within SS/PBCH slots which have a total duration of 2 ms
b)
The PDSCH is transmitted above and below the SS/PBCH, within SS/PBCH slots which have a total duration of 4 ms
c)
The PDSCH is transmitted all arround the SS/PBCH, within SS/PBCH slots which have a total duration of 2 ms
d)
The PDSCH is transmitted all arround the SS/PBCH, within SS/PBCH slots which have a total duration of 4 ms
65.
In the case of Classical BTS, which of the following interfaces cannot be traced on the backhaul interface
a)
E1 and X2
b)
F1 and E1
c)
F1 and NG
d)
E1 and Xp
66.
You receive a file with extension IMS2. Which of the following tools would you use to open this file
a)
EMIL
b)
Wireshark LTE&5G
c)
WebEM
d)
LTEPAT
67.
In which of the following logs is it possible to check the basic Link Adaptation parameter such as the number of allocated DL PRB and the used DL MCS
a)
IP Capture
b)
5G Emil
c)
MAC TTI
d)
I/Q sample (aka DDR4)
68.
In case you need to download Luashark package for the latest SW release installed in your lab, where would you look for it
a)
BTS Snapshot
b)
TLDA
c)
LTEPAT
d)
Work Flow Tool
69.
You want to analyse a pcap log file collected by a 5G BTS using a tcpdump on the backhaul interface. When you open the trace in Wireshark, there are mostly ESP packets displayed. What is required to decode other protocols
a)
A Nokia internal version of 5G/LTE Wireshark
b)
IPSec keys collected during the trace collection
c)
The pcap log file is corrupted and needs to be collected again
d)
A build specific Luashark package
70.
Downlink Cell Throughput can be calculated for a specific SG cell from counters which quantify :
a)
SDAP Data Volume and the duration of PDSCH slots
b)
PDCP Data Volume and the duration of PDSCH slots
c)
PDCP Data Volume and the duration of PDSCH symbols
d)
MAC Data Volume and the duration of PDSCH symbols
71.
When using NSA Option 3x, which protocol stack layer splits the downlink data between the 4G and SG BTS?
a)
SDAP
b)
PDCP
c)
RLC
d)
MAC
72.
Which message provides feedback from the eNB to the gNB for the purposes of Flow Control across the X2 interface?
a)
Downlink Data Delivery Status (DDDS)
b)
Downlink Data Transmission Report (DDTR)
c)
Downlink Data Status Report (DDSR)
d)
Downlink Data Buffer Status (DDBS)
73.
During SG Secondary Cell Addition,the 'E-RAB Modification ndication' message is used:
a)
by the gNB to request that the S1 USER PLANE connection is moved to the gNB
b)
by the eNB to request that the S1 USER PLANE connection is moved to the gNB
c)
by the gNB to request that the S1 CONTROL PLANE connection is moved to the gNB
d)
by the eNB to request that the S1 CONTROL PLANE connection is moved to the gNB
74.
Which Measurement Reporting Event is used by 'LTE5150 EN-DC Capability based Mobility Trigger'?
a)
A1
b)
A2
c)
A4
d)
A5
75.
Which condition(s) must be satisfied to trigger 5G Secondary Cell Addition when using 'LTE5003 : Data Buffer Trigger for EN-DC'?
a)
The only condition is that the downlink buffer occupancy must exceed its threshold
b)
The downlink buffer occupancy must exceed its threshold and the 4G throughput must fall below its threshold
c)
The downlink buffer occupancy must exceed its threshold and the UE must provide a Buffer Status Report indicating high uplink buffer occupancy
d)
The downlink buffer occupancy must exceed its threshold and the UE must provide an Event B1 Measurement Report
76.
When using 4G Mobility Profiles to move ENDC capable UE towards an appropriate anchor carrier,which subscription parameter can be used for Mobility Profile selection?
a)
Access Class (AC)
b)
QoS Class dentity (QCI)
c)
Allocation and Retention Priority (ARP)
d)
Subscriber ProfileIdentity (SPID)
77.
Which of the following is an issue which may be experienced on the 4G network when introducing a parameter design for SG Standalone Option 2?
a)
Some legacy 4G UE stop applying any inter-system Absolute Priorities due to a lack of compatibility with the SG Absolute Priorities
b)
Some legacy 4G UE are unable to access the 4G cell due to issues with the Scheduling nformation in SIBl
c)
Some SG UE fail to complete cell reselection towards SG RRC Idle Mode due to being unable to decode the inter-system cell reselection information broadcast by 4G
d)
Some SG UE fail to complete cell reselection towards SG RRC dle Mode due to prioritising NSA Option 3x over SA Option 2
78.
Which of the following is a valid SG configuration for DSS Phase 2 (LTE-NR CRS Rate Matching)?
a)
FDD,NSA Option 3x,4 SS/PBCH Blocks with first SS/PBCH Block in Subframe 0
b)
FDD,SA Option 2, 1SS/PBCH Block with SS/PBCH Block in Subframe 1
c)
FDD,NSA Option 3x, 1SS/PBCH Block with SS/PBCH Block in Subframe 0
d)
TDD,NSA Option 3x, 1SS/PBCH Block with SS/PBCH Block in Subframe 1
79.
The use of Dynamic Spectrum Sharing (DSS) between 4G and 5G requires:
a)
4G/5G sharing of the AirScale System Module and Frequency Synchronisation for both technologies
b)
4G/5G sharing of the Radio Unit and Frequency Synchronisation for both technologies
c)
4G/5G sharing of the AirScale System Module and Phase Synchronisation for both technologies
d)
4G/5G sharing of the Radio Unit and Phase Synchronisation for both technologies
80.
Which tool is useful for comparing SCF files of the local network with Nokia's global recommendations?
a)
QCAT
b)
5GPAT
c)
MUSA
d)
LTEPAT
81.
Which of the following is a DRAWBACK associated with enabling the feature used to frequency multiplex the PDSCH and its DMRS?
a)
The number of DMRS symbols is restricted to one
b)
The PDSCH is unable to use Ranks 3 and 4
c)
The number of Resource Elements available to the DMRS is reduced
d)
The downlink power allocated to the DMRS is reduced for PDSCH Ranks 1and 2
82.
Which of the following can be enabled to occur after an intra-frequency Event A3 handover failure due to a missing neighbour relationship?
a)
5G Secondary Cell Release
b)
Initiation of Inter-Frequency measurements
c)
Request for UE to report the target cell ECGI
d)
Blind handover towards target cell
83.
How does SG Proactive Scheduling reduce uplink latency?
a)
The Packet Scheduler allocates PUSCH resources using Configured Grants without waiting for a Scheduling Request from the UE
b)
The Packet Scheduler allocates PUSCH resources using Dynamic Grants without waiting for a Scheduling Request from the UE
c)
The UE is configured with a reduced Scheduling Request period to minimise the waiting time to request PUSCH transmission
d)
The UE is instructed to transmit the PUSCH during a specific time window without having to wait for resource allocations on the PDCCH
84.
An operator has two 5G carriers at a specific BTS (2.6 GHz and 3.5 GHz). What would be the best configuration to ensure that the UE always reports the 3.5 GHz carrier first within an Event Bl
a)
blTimeToTriggerRsrp can be set to 640 ms for the 2.6 GHz neighbour and to 40 ms for the 3.5 GHz neighbour
b)
blTimeToTriggerRsrp can be set to 40 ms for the 2.6 GHz neighbour and to 640 ms for the 3.5 GHz neighbour
c)
blTimeToTriggerRsrp can be set to the same value for both the 2.6 GHz and 3.5 GHz neighbours,because the higher frequency will take priority over the lower frequency near the BTS
d)
The 3.5 GHz carrier should be configured with the highest priority within the NRDCDPR.nrDcPrioConfig object
85.
measurement report,when the UE is close to the BTS?
a)
The PDSCH uses only the best beam when transmitting rank 4 with 4x4 MIMO
b)
The PUCCH load per UE is increased because UE are instructed to provide CSIreports for both M MO and Beam Management
c)
The Nokia SG BTS is able to receive the PRACH on each SS/PBCH beam simultaneously when using digital beamforming
d)
The PDCCH load per UE is increased because the PDCCH payload has to specify the SS/PBCH beam to be used during a specific slot
86.
Which antenna solution can be used to generate a beam pattern of 4 rows and 2 columns to focus coverage upon a specific high rise building?
a)
8T8R
b)
16T16R
c)
32T32R
d)
64T64R
87.
When using digital beamforming with less than 4 rows of beams,the azimuth opening angle which defines the horizontal spread of the beams can be configured as:
a)
+/-20 degrees,or +/-45 degrees
b)
+/-45 degrees,or +/-90 degrees
c)
+/-45 degrees,or +/-60 degrees
d)
+/-60 degrees,or +/-90 degrees
88.
If Basic Beam Set #5#1 is configured,how many SS/PBCH Beams and Tracking Reference Signals (TRS) are broadcast?
a)
5 SS/PBCH and 1TRS
b)
5 SS/PBCH and 5 TRS
c)
6 SS/PBCH and 1TRS
d)
6 SS/PBCH and 6 TRS
89.
Which system component is responsible for PDCP layer processing?
a)
L2-Lo-DU
b)
L2-PS
c)
L2-Hi-CU
d)
L2
90.
Which identifier would you use to find a specific UE within a MAC TTI trace?
a)
ENB-UE-SlAP-ID
b)
IMSI or TMSI
c)
RNTI
d)
dL-GTP-TE D I uL-GTP-TEID
91.
Which counter is increment after successful RRC Connection Setup at a Standalone BTS
a)
CU_UP_SELECTION_ATT
b)
SMF_SELECTION_ATT
c)
AMF_SELECTION_ATT
d)
UPF_SELECTION_ATT
92.
The set of PUSCH RSSI counters quantify
a)
Only the wanted signal power from the PUSCH, expressed as power per PRB in dBm
b)
The wanted signal power from the PUSCH plus uplink noise and interferference power, expressed as a power per PRB in dBm
c)
Only the wanted signal power from the PUSCH, expressed as a total power across the complete channel bandwidth in miliwatts
d)
The wanted signal power from the PUSCH plus uplink noise and interference power, expressed as a total power across the complete channel bandwidth in miliwatts
93.
considering the range of MCS values which are available to allocate, what is the range of MCS value captured by the KPI 'NR_242a 5G Percentage of PDSCH transmission using low MCS Codes'
a)
1 to 9
b)
1 to 20
c)
0 to 9
d)
0 to 20
94.
Which of the following is expected when 5G Proactive Scheduling is disabled
a)
5G PUSCH PRB Utilisation KPI remains unchaned due to the KPI excluding proactive transmission
b)
SINR KPI decrease due to a reduction of PUSCH transmission with relatively few PRB
c)
Connected Mode DRX Sleep Ratio KPI decreases due to UE having to send more Scheduling Request
d)
PDCCH load KPI increase because gNB has to provide increased volume of dedicated Resource Allocations
95.
Which Signalling Radio Bearer (SRB) allows direct signaling between the 5G BTS and UE when using NSA Option 3x
a)
MCG SRB1
b)
SCG SRB3
c)
Split SRB2
d)
SCG SRB1
96.
Which of the following is used as an input when a EU display the 5G icon
a)
The '5GCoverageIndication' from within LTE SIB2
b)
The '5GCoverageIndication' from within LTE SIB3
c)
The 'UpperLayerIndication' from within LTE SIB2
d)
The 'UpperLayerIndication' from within LTE SIB3
97.
A single instance of the NRDCDPR parameter object within the 4G BTS can be used to configure
a)
a maximum of one 5G channel center frequency
b)
a maximum of one SS/PBCH block center frequency
c)
one or more, 5G channel center frequencies
d)
one or more, SS/PBCH Block center frequencies
98.
How does the eNB know that the UE is ENDC capable
a)
The ENDC capability is stored by the HSS and is communicated to the eNB using the S1AP:InitialContextSetupRequest
b)
The eNB determines the ENDC capability from the 'UE-EUTRA-Capability' IE sent by the UE
c)
The eNB determines the ENDC capability from a Feature Group Indicator (FGI) sent by the UE
d)
The eNB determines the ENDC capability from a flag included within the RRC Connection Setup Complete message
99.
Which of the following is NOT a suitable method for identifying non co-located 4G anchor
a)
Checking the 4G->4G handover statistic to determine the quantity of mobility between cells
b)
use of SON solution such as EdenNET to identify potential candidates based upon the geometry of neighbouring cells
c)
Use 5G timing Advance counters to determine the 5G cell range in a specific direction towards a candidate 4G anchor
d)
Use of LOGOS/MUSA/Megaplexer by enabling 5G measurements at non co-located 4G BTS and capturing the Measurement Reports generated by the population of UE
100.
Which new beamforming solution is introduced by 5G20B
a)
Eigenmode dynamic beam adaptation
b)
Beam Refinement based upon 'CSI Reference Signals'
c)
PMI reporting based upon '8 Port CSI-RS Codebook'
d)
Sounding Reference Signal (SRS) based beam selection
101.
The Micro Discontinous Transmission feature for energy efficiency operates by switching off the power amplifier during idle periods. The minimum time period targeted by the feature is
a)
a single symbol
b)
a single half slot
c)
a single slot
d)
a single radio frame
102.
Which of the following is NOT a criteria for 5G Secondary Cell Addition
a)
The UE must have an EPS bearer which has an SPID value which is enabled for EN-DC
b)
The UE must have an EPS bearer which has an ARP value which is enabled for EN-DC
c)
The UE must not have an 'NR Restriction' flag included within its handover restriction list
d)
The UE must have an EPS bearer which has an QCI which is enabled for EN-DC
103.
Which of the following can be used to increase the maximum supported number of simultaneous 5G connection in a cell
a)
Increase the downlink transmit power
b)
Increase the number of symbols allocated to the PDCCH
c)
Reduce the CSI Reporting period
d)
Disable beamforming
104.
What is the RECOMMEND maximum number of rows belonging to a 32T32R Active antenna beam pattern
a)
1
b)
2
c)
3
d)
4
105.
What is the maximum number of PUSCH DMRS symbol supported by Nokia
a)
1
b)
2
c)
3
d)
4
106.
Which of the following statement regarding beamforming is FALSE
a)
Increase the number of rows of beams cause the vertical sidelobes to increase
b)
Increase the number of SS/PBCH beams reduces the downlink peak throughput capablitiy
c)
Increase the number of SS/PBCH beams increase the sector for multi-user MIMO
d)
Increase the number of SS/PBCH beams does not impact the Tracking Reference Signal overhead
107.
In the case of LTE-NR Dynamic Spectrun Sharing (DSS), in-carrier spectrum resources need to be coordinated between LTE and NR. How would you collect and post-process trace data showing all of the coordination details ?
a)
The trace needs to be collected within the anchoring 4G BTS as the CRM resides within the 4G BTS. XpShark is required to decode the trace
b)
It does not mater if the trace is collected within the 4G or 5G BTS since the Xp interface is between the 4G BTS and 5G BTS. XpShark is required to decode the trace
c)
The trace needs to be collected within the anchoring 5G BTS as the CRM resides within the 5G BTS. XpShark is required to decode the trace
d)
The trace needs to be collected within the anchoring 5G BTS as the CRM resides within the 5G BTS. A build specific Luashark package is required to decode the trace
108.
Consider TDD cmW network with tdLTE frame structure. During a test performed with the UE in good coverage condition, the collected I/Q samples show interference on symbol 6 only for every UL measurement would be expected?
a)
Bad PUCCH SINR, low UL MCS
b)
Bad PUCCH SINR, high BLER
c)
Good PUCCH SINR, high UL MCS
d)
Good PUCCH SINR, low UL MCS
109.
What is the definition on the SS-RSRP measurement
a)
It represent the power of a single Resource Element belonging to the Primary Synchronization Signal (PSS)
b)
It represent the total power of the Primary Synchronization Signal (PSS)
c)
It represent the power of single Resource Element belonging to the Secondary Synchronization Signal (PSS)
d)
It represent the total power of the Secondary Synchronization Signal (SSS)
110.
Which of the following could be cause by neigbouring cells using the same PRACH Root Sequence
a)
High Levels of uplink interferenc during PRACH subframes
b)
Multiple cells initiating connection from the same PRACH preamble and thus creating ghost calls
c)
False detection of PRACH preambles which were not transmitted
d)
The UE falling to receive a Random Access Response
111.
What functionality is provided by CB006613 EN-DC Establishment Robustness
a)
The 5G Radio link is made more robust by using a lower MCS after a certain number of negative HARQ acknowledgements
b)
The 5G Radio Link is made robust by allowing an increased number of re-transmission if the initial BLER exceeds a specific threshold
c)
The MeNB prevents continuous repeated failures by not configuring Event B1 Measurement Reporting ater a certain number of failures
d)
The MeNB prevents continuous repeated failures by increasing the Event B1 Hysteresis after a certain number of failures
112.
When using a cloud BTS, which external interfaces can be traced from the AirScale RAP (Radio Access Point)
a)
F1
b)
F1 and X2/Xn
c)
X2/Xn
d)
X2/Xn and S1/NG
113.
Why would the value of the SCG_ADD_PREP_ATT counter be greater than the value of the SGNB_ADD_PREP_ATT counter
a)
Some UE have multiple bearers
b)
Some UE add multiple Secondary Cell Groups (SCG) per Secondary gnodeB (SGNB)
c)
The Secondary Cell Group (SCG) preparation can fail and prevent the Secondary gNodeB preparation (SGNB) from being started
d)
The Secondary Cell Group (SCG) is repeatedly added and released without releasing the Secondary gNodeB (SGNB)
114.
When EN-DC is attached, which 5G Manage Object mirrors the LNADJGNB object at the 4G BTS
a)
LNADJENB
b)
LTEENB
c)
NRADJENB
d)
LNRELENB
115.
Which of the following Admission Control check are applied by the Nokia 4G BTS prior to initiating 5G Secondary Cell Addition
a)
The allocation and retention priority (ARP) and Quality of Service Class Identifier (QCI)
b)
The Subcriber Profile Identity (SPID) and UE Capability
c)
The Subcriber Profile Identity (SPID) and Quality of Service Class Identifier (QCI)
d)
The UE Capability and RRC Connection Establishment cause
116.
Which of the following statement regarding Ookla Speedtest is FALSE
a)
Downlink throughput is measured using UDP
b)
The lowest measured round trip latency is reported
c)
The client controls the flow of downlink data during the downlink throughput test
d)
Prior to averaging throughput results some of the fastest and slowest samples are excluded
117.
Which subcarrier spacing penerates a slot duration of 0.5 ms
a)
15 kHz
b)
30 kHz
c)
60 kHz
d)
120 kHz
118.
Which of the following is a reason for NOT using Beamforming within operating band below 1 Ghz
a)
The physical size of the antenna becomes too large
b)
Beamforming is not required because low band antenna have higher gain
c)
Scattering becomes more significant within the low bands so beam dominance is lost
d)
3GPP has not spesified the use of beamforming for the 15 kHz subcarrier spacing
119.
Beam refinement provides support for
a)
4 refined beams per SS/PBCH beam only for FR1
b)
4 refined beams per SS/PBCH beam in both FR1 and FR2
c)
2 or 4 Refined beams per SS/PBCH Beam (depending upon beam pattern) only in FR1
d)
2 or 4 Refined beams per SS/PBCH Beam (depending upon beam pattern) in both FR1 and FR2
120.
Which of the following CANNOT be measured from the set of Beamforming counters
a)
Angular distribution of the Ues
b)
Mobility in terms of beam switches
c)
Quality of each beam
d)
Usage of each beam
121.
Which plugin is required to decode a BIP log with wireshark
a)
Argus
b)
x2ap dissector
c)
WFT
d)
Luashark
122.
When using NSA option 3x, which signaling radio bearer (SRB) allows RRC message with encapsulated Secondary Node configuration to be transferred directly between the master node and ue
a)
MCG SRB1
b)
SCG SRB3
c)
MCG SRB2
d)
SCG SRB1
123.
How are the 5G Primary and secondary synchronization signal (PSS and SSS) used to determine the PCI
a)
PSS determines a value 0 to 2 (PCI position its groups) SSS determines a value 0 to 355 (PCI group)
b)
PSS determines a value 0 to 355 (PCI position its groups) SSS determines a value 0 to 2 (PCI group)
c)
PSS determines a value 0 to 2 (PCI position its groups) SSS determines a value 0 to 167 (PCI group)
d)
PSS determines a value 0 to 167 (PCI position its groups) SSS determines a value 0 to 2 (PCI group)
124.
Which RRC messages can be transferred using SRB3
a)
Only RRC reconfiguration and RRC configuration complete
b)
Only RRC reconfiguration, RRC configuration complete and Measurement Report
c)
Only RRC reconfiguration, RRC configuration complete, Measurement Report and SCG Failure Information
d)
Only RRC reconfiguration, RRC configuration complete, Measurement Report and Mobility From NR command
125.
Why would a handset display the 5G icon while the end-user experience 4G performance
a)
The Ue is within the coverage of a 5G cell but is outside the coverage of a 4G anchor cell
b)
The Ue is within the coverage of a 4g anchor cell but is outside the coverage of a 5g cell
c)
The end-user is within the coverage of a 5g cell but the end-user has not subscribed to 5g services
d)
The end-user is within the coverage of a 5g cell but the end-user has selected 4g only within the device GUI
126.
Where Would you look to find information regarding 5G parameters, Optimization, feature performance and Network KPI
a)
Jump
b)
NIDD
c)
Performance Brenchmaker
d)
5G Performance hub
127.
Which of the following specifies a pair of solutions for prioritising the 5G carrier for 5G Secondary Cell Addition
a)
Configuring the "time-to-trigger" for Event B1; Configuring Idle Mode Absolute priorities for each 5G carrier
b)
Configuring Idle Mode Absolute priorities for each 5G carrier; Configuring 'mrWaitTimer'& 'nrCarprio'for feature LTE5226
c)
Configuring 'mrWaitTimer'& 'nrCarprio'for feature LTE5226; Configuring the "time-to-trigger" for Event B1
d)
Configuring the "time-to-trigger" for Event B1; Configuring the preferred EN-DC band Combination within the LNCELobject
128.
When Completing 5G Secondary Cell Additon measurement, why does the 4G packet Scheduler stop allocating resources for 10 ms when a UE is Configured with a 6 ms Measurement gap?
a)
to allow additional time for UE transceiver re-tuning to the 5G carrier
b)
to allow additional time for UE transceiver switching between transmit and receive
c)
to avoid the requirement for RLC re-transmissions during the Measurement Gap
d)
to avoid the requirement for HARQ re-transmissions during the Measurement Gap
129.
What is the maximum number of subframes which can be allocated to NR when using Nokia's Phase 1 solution for DSS (MBSFN subframes allocated to NR)
a)
2
b)
4
c)
6
d)
8
130.
Which of the following statement is TRUE regarding Nokia's DSS Phase 2 Solution (LTE-NR CRS rate Matching)
a)
A 5G UE receives the 5G PDSCH whitin Resource Elements used by the 4G cell spesific reference Signal (CRS)
b)
the subframes allocated to 5G are broadcast whitin the 4G SIB
c)
MBSFN subframes allow transmission of the 5G SS/PBCH
d)
The 5G PUSCH can use the complete channel bandwidth when the 4G PUSCH is not scheduled
131.
In the case standalone option 2, which network function within the core can initiate a UE release to RRC Idle mode?
a)
Policy Control Finction (PCF)
b)
Session Management Function (SMF)
c)
Network Exposure Function (NEF)
d)
Access and Mobility Management Fucntion (AMF)
132.
Within the context of the UE mobility between SS/PBCH beams, which iof the following is used to inform the UE that the beam is being switched as the UE moves
a)
SS/PBCH identity field within the PDCCH
b)
SS/PBCH identitiy MAC control Element
c)
Transmission configuration Indicatior (TCI) state signalled at layer 2
d)
Beam Change Command signalled at layer 3
133.
Which 4G SIB is generated using parameters from within the NRFIM Managed Object
a)
SIB17
b)
SIB24
c)
SIB9
d)
SIB3
Reset
