WorksheetsNokia - Subcontractor-23
Total questions: 60
Worksheet time: 3600secs
Name
Class
Date
1.
You are in optimizing 1 new site and 4G Payload suddenly increase and impact to your CSSR KPI, what will you NOT do immediately?
a)
Check if any promo campaign to up the sales
b)
Check your validity of your measurement if any double counting
c)
Payload Increase is good, so make justification for CSSR KPI
d)
Check if any site surrounding site if shutdown
2.
Which Global NPO community contains network planning and optimization guidance material grouped per technology or product?
a)
Services Community
b)
Radio community Wiki
c)
NPO Modular Working Items Wiki
d)
NPO Services Wiki
3.
What statement about Uplink Power control is NOT true
a)
UL power control changes may impact UL RSSI and SINR for PUSCH
b)
UL power control is responsible for setting the power of the PHICH
c)
UE is transparent to the UL power control algorithm
d)
UL power control is important for the correct MSG3 reception
4.
What is the capacity of one time slot in TRX?
a)
32Kbps
b)
16Kbps
c)
64Kbps
d)
8Kbps
5.
Iu-B is the interface between
a)
NodeB-NodeB
b)
RNC-SGSN
c)
RNC-RNC
d)
NodeB-RNC
6.
How to improved DL Throughput, except
a)
Single Tx – MIMO
b)
MIMO 2x2 -> 2x4
c)
MIMO 2x2 à 4x4
d)
MIMO 2x4 à 4x2
7.
Is it possible to plot throughput with a planning tool capable of only path loss based calculations?
a)
1. No, it is only possible with Monte Carlo simulations
b)
2. Yes, if the tool can calculate path loss and SINR (for static load) and MAPL (from link budget) is available for different throughputs
c)
1 and 3 True
d)
3. No, it is not possible based on only path loss calculations
8.
What is the meaning of the cell capacity results in Nokia Dimensioning tools ?
a)
1. cell capacity recalculated from the system simulation result based on assumptions of many active user
b)
2. it means maximum user data rate
c)
3. it means maximum cell data rate possible
d)
1,2,3 True
9.
Which is the most important and effective method to improve the network performance?
a)
1. Parameter optimization
b)
2. Power and handover optimization
c)
3. Physical RF optimization.
d)
1,2,3 True
10.
How are time synchronization problems in the UL Physical Random Access channel (PRACH) solved?
a)
1.By changing PCI on the serving cell
b)
2. By tuning cell individual Offset on the neighboring cell
c)
3. By introducing a guard time
d)
1,2,3 True
11.
In case of 4CC DL Carrier Aggregation, the value of RLC PDU Re-transmission Ratio DL KPI of Pcell is influenced by:
a)
the performance of the Pcell only
b)
the performance of the Pcell and the performance of only the last added Scell
c)
the performance of the Component Carriers
d)
the performance of the Scells only
12.
What tools are available in the Tool Hosting section of the NPO Mobile Radio Community?
a)
RANDim and Atoll
b)
Atoll and Mentum Plannet
c)
Asset and Connect
d)
3DGL and NPM
13.
You are in optimizing 4G New Site, but you find that the Packet Loss Rate is high. What will you do first?
a)
Check in hourly basis if packet loss is happen frequently or just a spike
b)
Immediately escalate to transport Engineer to seek support
c)
Check hardware alarm if any baseband module broken
d)
Perform drive test to check the field impact
14.
System information Blocks (SIB) are mapped onto the :
a)
Physical Downlink Control Channel
b)
Physical Broadcast Channel
c)
Physical Downlink Shared Channel
d)
Physical Multicast Channel
15.
The Orthogonal Sub Channel application in GSM/EDGE can :
a)
Up to double the radio traffic channels for CS voice
b)
none of them
c)
Reduce the paging load up to 70% in both Air and Abis interface
d)
Assign radio channels with sufficient C/I based on real -time measurement
16.
Which one of the options regarding IDD Concept Delay Diversity (DD) with Phase Hopping is False ?
a)
Improves the mobile's receiver performance by modifying the radio
b)
BTS downlink performance is boosted up to 3-5 dB
c)
All TRXs transmissions are delayed and phase turned
d)
BCCH carrier is sent throught 2 transmitters
17.
The Flexi Multiradio BTS RF Module (FXxx) hs three branches which are equipped with :
a)
Dual TRXs and optional Wideband Combiners (WBCs)
b)
Dual TRX Module and Dual Duplexer Module (ERxA)
c)
The Multi Carroer Power Amplifier (MCPA)
d)
Dual Duplexer Modules for IDD
18.
Energy Efficient Coverage solution is offered to customer via :
a)
equipment relocation for better coverage
b)
refarming
c)
equipment cloning in BSS
d)
equipment Life Extender Service
19.
Which of the following mMIMO statements is TRUE for radio pilot overhead?
a)
In TDD, it is independent of the number of spatially multiplexed Ues
b)
In FDD, it depends on number of antennas and the number of spatially multiplexed UEs
c)
In TDD, it depends on number of antenna and the number of spatially multiplexed UEs
d)
In FDD, it is only independent on the number of spatially multiplexed Ues
20.
What could be the reason for high average ping round-trip time under good radio conditions in an unloaded network?
a)
Uplink periode CQI reporting interval is too long
b)
256 QAM in downlink is disabled causing bandwidth limitation and hence larger ping response scheduling delay
c)
Uplink pro-active schedulling timer value is shorter than the ping transmission interval
d)
Not enough PUCCH Schedulling Request resources to accommodate all RRC connected UEs in the cell
21.
Which of the following options does NOT improve the latency as part of the Radio Network Optimization Procedures?
a)
Enabling/Disabling Proactive Scheduling
b)
Tuning the scheduling request period
c)
Tuning DRX cycle duration
d)
Increasing PUCCH capacity
22.
Remote mode of 2G Flexi BTS Site Manager supports :
a)
Connection of the 2G Flexi BTS via wireless LAN, so engineers do not need to access the high poles and towers
b)
connection of the 2G Flexi BTS Site Manager to the BTS remotely via Windows default browser
c)
connection of the 2G Flexi BTS Manager to the BTS via CPRI interface
d)
perform subsequent recommissioning or append commissioning from the 2G Flexi BTS
23.
If uplink closed loop power parameter window (PUSCH) for level and quality is very narrow and requirement is high for both, what kind of problem will be faced when the loading is high and the average cell range is the network is high ?
a)
Uplink throughput close to the eNodeB will suffer the most
b)
Uplink interference will be very high and the cell middle/edge users will not have enough power to reach the CL PC targets
c)
Cell average UL throughput remains good because the parameter settings favors the UEs in good radio conditions
d)
Average cell UL throughput remains good but average UE TX Power will increase significantly
24.
benefit for automated BTS log collection enables remote?
a)
Network evolution support from OMS and BTSMED based mediation to BTS Direct integration
b)
Identify the center of the channel bandwidth
c)
Achieve slot and symbol synchronization
d)
Achieve radio frame synchronization
25.
What will happen if we disconnect a 2M PCM cable from ET, where BTSs and TRXs area configure and plug it back immediately (less than 1 second disturbance) in GSM/EDGE environtment
a)
All impacted active voice calls will be dropped Immediately
b)
in Case of a mobile terminal call, it stays in conversation mode. Abis LAPD signalling links area working all the time. Radio network is working all the time
c)
Mobile phone need to be power restarted after the PCM failure
d)
The voice call will be handed over to a Base Station immediate neighbor cell defined at BSC
26.
in the feature BSS20847 Automatic commissioning of the Flexi Multiradio BTS GSM/EDGE, below conditions are met :
a)
The BTS configures the Abis allocations of the TRXSIGs, TCHs
b)
The BSC must be able to download Abis mapping to the BTS as Abis mapping
c)
The BTS configures the Abis allocations of the TRXSIGs, TCHs
d)
The BTS must run in "stand alone" mode without any BSC connection before feature activation
27.
What is the maximum peak rates for HSDPA ?
a)
28 Mbps
b)
84 Mbps
c)
48 Mbps
d)
82 Mbps
28.
The function of Automated symptom data transfer from BSC to external server ?
a)
GPRS, EDGEimplementation
b)
NetAct Monitor user can manually initiate symptom data collection for BSC. NetAct Monitor adaption uses existing BSC MML commands over SSH
c)
For Upgrade Flexi Multiradio SW
d)
MultiBCF and Common BCCH Implementation
29.
Which type of media supports a transmission Flexi BTS
a)
HDLC link and IP link
b)
Baseband modem link and dynamic link
c)
Optical infrared link
d)
Radio link and wire link
30.
Which Radio Access interface does support within RU30 Release ?
a)
Booth
b)
None of them
c)
CPRI
d)
OBSAI
31.
Which statement is INCORRECT about KPI: E-UTRAN E-RAB Drop Ratio, RAN View?
a)
This KPI describes the radio of abnormally released (dropped) E-RABs from RAN point of view
b)
E-RAB releases due to "No Radio Resources Available" initiated by eNB are counted as abnormal releases
c)
RAN point of view means that as abnormal E-RAB drops only those ones Initiated by eNB are counted
d)
In denominator of the formula normal E-RAB releases due to successful HO to eHRPD are not counted
32.
What is the MC-PPP layer from Packet Abis over TDM used for ?
a)
None of the above
b)
MC-PPP defines a protocol for backhauling of Integrated Service Digital Network
c)
MC-PPP is used for the classed-aware transport of user plane data, control plane signalling as well as management plane signalling is CS U-Plane, PS U-Plane C-Plane and M-Plane
d)
MC-PPP is a restriction from the ML-PPP layer that does not allow to define more than one instance of the ML-PPP with a distinguished class number
33.
on which Base Stations the BSS101623 Energy Efficient Coverage in RG30 can be implemented ?
a)
Flexi Multiradio, Flexi Multiradio 10 and Flexi Compact
b)
only Flexi Multiradio 10
c)
all Base Stations expect the Motorola Horizon II BTS
d)
Flexi Multiradio, Flexi Multiradio 10, and Metro Site BTS
34.
What could be the reason for high average ping round-trip time under good radio conditions in an unloaded network?
a)
Uplink periode CQI reporting interval is too long
b)
256 QAM in downlink is disabled causing bandwidth limitation and hence larger ping response scheduling delay
c)
Uplink pro-active schedulling timer value is shorter than the ping transmission interval
d)
Not enough PUCCH Schedulling Request resources to accommodate all RRC connected UEs in the cell
35.
Which is the correct signaling protocol stack from the C-Plane and M-Plane from the Packet Abis over TDM feature ?
a)
Abis, IP, ML/MC-PPP, HDLC, TDM
b)
NBAP, SSCF_UNI, SSCOP, AAL5, ATM
c)
TCP, IP, NSEI, NSVC, TDM
d)
None of the above
36.
What is target user plane latency for eMBB
a)
1 ms
b)
2 ms
c)
3 ms
d)
4 ms
37.
Which statement about "ng-eNB" is BEST Fit
a)
Providing E-UTRA user plane and control plane protocol terminations towards UE , Supports connectivity to 5GC and EPC
b)
Providing E-UTRA user plane and control plane protocol terminations towards UE , Supports connectivity to 5GC only
c)
Providing NR user plane and control plane protocol terminations towards UE , supports connectivity with 5GC only
d)
Providing NR user plane and control plane protocol terminations towards UE , supports connectivity with EPC only
38.
VM (Virtual Machine) gets deployed on
a)
Switch
b)
Controller
c)
Storage
d)
Compute
39.
SDAP belongs to protocol
a)
Layer-1
b)
Layer-2
c)
Layer-3
d)
Application
40.
Where beam recovery function performed
a)
On RRC & LLC
b)
on MAC & LLC
c)
on PHY & MAC
d)
on PHY & LLC
41.
What is Network Slicing
a)
a concept for separation UP & CP
b)
a concept for deployments using NFV
c)
a concept for the RAN architecture to allow the deployment of new services rapidly and efficiently
d)
a concept for running multiple logical networks as virtual Independent business operations on a common physical infrastructure
42.
The PDU Session Establishment Accept message is sent to UE by
a)
UPF
b)
gNB
c)
AMF
d)
SMF
43.
Which of the applications requires Ultra Low Latency?
a)
Immersive 360 Video
b)
Smart electric meters
c)
Industry robotics and automation
d)
Fixed wireless access
44.
Which node hosts the function "Idle State Mobility Handling"?
a)
UPF
b)
gNB or ng-eNB
c)
AMF
d)
SMF
45.
Which of the following are main functions of the AMF?
a)
NAS security and idle State mobility handling
b)
Mobility anchoring and PDU handling
c)
UE IP address allocation and PDU session control
d)
Radio Bearer Control and Dynamic Resources Allocation
46.
With the "option2" NR RAN functional split, which protocol entities are within the CU?
a)
RRC & PDCP
b)
RRC,PDCP & RLC
c)
RRC, PDCP & RLC LO
d)
RRC, PDCP & RLC HI
47.
Which of the following is commonly referred to as the RAP (Radio Access Point)
a)
RAU
b)
RU and RAU
c)
RAC
d)
RU and RAU
48.
Which statement is NOT true related to Interference Rejection Combining (IRC)?
a)
IRC maximizes SINR of the wanted user by applying complex weight to the antenna elements
b)
IRC can cancel interferers which are spatially correlated with the wanted signal
c)
IRC is applicable to PUSCH only
d)
IRC is performed per subcarrier
49.
Which layer performs segmentation and Reassembly?
a)
MAC
b)
RLC
c)
PDCP
d)
RRC
50.
How many OFDM symbol are supported in a slot ?
a)
4
b)
7
c)
2
d)
14
51.
What is the minimum number of BCN modules per MCRNC ?
a)
2 BCN modules
b)
None BCN modules are used only for mcBSC
c)
4 BCN modules
d)
3 BCN modules
52.
Which one of the below key elements DOES NOT belong to NI "Turn Key" Solution service offering :
a)
Network design
b)
Construction works
c)
Advance Swap service
d)
Logistics
53.
What is the possible HW scenario when a GPS antenna is installed at GSM/EDGE UltraSite Base Station Site ?
a)
GPS antenna is installed in GSM/EDGE Base Station Sites to send the coordinates to field engineers and find them easy
b)
GPS antenna is installed at an GSM/EDGE UltraSite Base to protect for them protection
c)
GPS signal is used to loacted the GSM/EDGE Base Station in Netact
d)
LMU and BCF are synchronized via GPS signal
54.
What is the BTS Trace Tools in 2G Flexi Multiradio Base Station ?
a)
BTS Trace Tool is built in the 2G Flexi BTS Site Manager application and can be used
b)
BTS Trace Tool is a external Service Test and Measurement Instrument for special cases
c)
BTS Trace Tool is a feature to trace a call and detect protocol faults or compatibility issue
d)
BTS Trace Tool is built in the 2G Flexi BTS Site Manager application and can be used
55.
Which oof the below options DOES NOT APPLY to Network Cloning Service :
a)
Input collection of alarm events, KPI and configuration data
b)
Minimal service disruption
c)
Faster project execution
d)
Offline configuration of a new network with same interface and parameters
56.
What of below option is correct in BTS SW management ?
a)
During BTS software upgrade, the process is optimized by downloading
b)
The download BTS software package is stored in the flash memory of every RRH
c)
The flash memory of the System Module contains 3 complete BTS
d)
For SW update of a BTS a Site visit is always required
57.
In GSM operation only th energy savings on Flexi Multiradio BTS family can reach:
a)
Around 14% lower energy costs
b)
minimun 34% lower energy costs
c)
minimun 44% lower energy costs
d)
minimun 20% lower energy costs
58.
What is the maximum number of BTSs you can connect to RNC2600 ?
a)
1800 BTS
b)
2800 BTS
c)
3800 BTS
d)
4800 BTS
59.
What is a Radio suite solution ?
a)
A GSM software suite for efficient Multiradio re-farming and GSM network operations
b)
Capacity expansion in 3G & LTE only, over Triple the HSPA/LTE throughput and capacity via Orthogonal Sub Channel (OSC)
c)
it is a model simulation tool for Network evolution to validate the performance before the deployment
d)
A Network planning and optimization tool for LTE, coverage and throughput capacity calculation
60.
What is the minimum number of "External Hardware Alarm Terminal" required to bring up RNC 2600 and to make test call ?
a)
1
b)
2
c)
3
d)
4
100 %
