What is the meaning of the cell capacity results in Nokia Dimensioning tools ?

3. it means maximum cell data rate possible

1. cell capacity recalculated from the system simulation result based on assumptions of many active user

2. it means maximum user data rate

Which is the most important and effective method to improve the network performance?

2. Power and handover optimization

How are time synchronization problems in the UL Physical Random Access channel (PRACH) solved?

1.By changing PCI on the serving cell

2. By tuning cell individual Offset on the neighboring cell

In case of 4CC DL Carrier Aggregation, the value of RLC PDU Re-transmission Ratio DL KPI of Pcell is influenced by:

the performance of the Pcell and the performance of only the last added Scell

the performance of the Pcell only

the performance of the Component Carriers

the performance of the Scells only

What happens if the orthogonality between OFDM subcarriers is lost due to effects such as Doppler?

Inter - Subcarrier Interference

You are in optimizing 4G New Site, but you find that the Packet Loss Rate is high. What will you do first?

Check in hourly basis if packet loss is happen frequently or just a spike

Immediately escalate to transport Engineer to seek support

Check hardware alarm if any baseband module broken

Perform drive test to check the field impact

System information Blocks (SIB) are mapped onto the :

Physical Downlink Shared Channel

Physical Downlink Control Channel

The Orthogonal Sub Channel application in GSM/EDGE can :

Up to double the radio traffic channels for CS voice

Reduce the paging load up to 70% in both Air and Abis interface

Assign radio channels with sufficient C/I based on real -time measurement

Which one of the options regarding IDD Concept Delay Diversity (DD) with Phase Hopping is False ?

BCCH carrier is sent throught 2 transmitters

Improves the mobile's receiver performance by modifying the radio

BTS downlink performance is boosted up to 3-5 dB

All TRXs transmissions are delayed and phase turned

The Flexi Multiradio BTS RF Module (FXxx) hs three branches which are equipped with :

The Multi Carroer Power Amplifier (MCPA)

Dual TRXs and optional Wideband Combiners (WBCs)

Dual TRX Module and Dual Duplexer Module (ERxA)

Energy Efficient Coverage solution is offered to customer via :

equipment relocation for better coverage

equipment Life Extender Service

Choose the correct statement regarding ETPSIG in the BSC ?

ETPSIG-c is the control plane interface between alls BCSUs and ETP-T/E and ETPSIG-m is the management plane interface between a GW BCSU and ETP-T/E

ETPSIG-u is the user plane interface between the MCMU and STMU

ETPSIG is the plane interface between the radio and the core network

ETPSIG-w is the window plane that determines the largest TCP receive window that the BSC offers

What is the benefit from the Packet Abis Transport Media Convertion feature ?

Packet Abis Transport Media Conversion feature allows mixing Packet Abis over Ethernet and Packet Abis over TDM interface media between BTS and BSC

Packet Abis Transport Media Conversion feature allows the BTS to detect coongestion at the BCF level and informs the BSC

Packet Abis Transport Media Conversion feature support satellite and terrestrial Abis connections by support BCF satellite specific settings

Remote mode of 2G Flexi BTS Site Manager supports :

perform subsequent recommissioning or append commissioning from the 2G Flexi BTS

Connection of the 2G Flexi BTS via wireless LAN, so engineers do not need to access the high poles and towers

connection of the 2G Flexi BTS Site Manager to the BTS remotely via Windows default browser

connection of the 2G Flexi BTS Manager to the BTS via CPRI interface

Intelligent shutdown for Flexi Multiradio BTS

The intelligent shutdown feature is to maintain the BTS site operation for as long as possible by reducing

Just a savety feature so that the engineers who working in the Base Station can shut down the site via Laptop

A feature designed for 3rd party Battery Back Up solutions only to manage better Battery lifetime

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

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

All impacted active voice calls will be dropped Immediately

Mobile phone need to be power restarted after the PCM failure

The voice call will be handed over to a Base Station immediate neighbor cell defined at BSC

in the feature BSS20847 Automatic commissioning of the Flexi Multiradio BTS GSM/EDGE, below conditions are met :

The BSC must be able to download Abis mapping to the BTS as Abis mapping

The BTS configures the Abis allocations of the TRXSIGs, TCHs

The BTS must run in "stand alone" mode without any BSC connection before feature activation

Which type of media supports a transmission Flexi BTS

Baseband modem link and dynamic link

What is a successful intra cell handover in Air Interface using 2G technology

The call is handed over to other channel of a TRX

BTS cell handover from one Flexi Multiradio BTS to a Flexi Compact BTS

Intra cell handover it happen in Pico Cells only

There is any intra cell handover, only soft hand over's

What is the MC-PPP layer from Packet Abis over TDM used for ?

MC-PPP defines a protocol for backhauling of Integrated Service Digital Network

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

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

on which Base Stations the BSS101623 Energy Efficient Coverage in RG30 can be implemented ?

Flexi Multiradio, Flexi Multiradio 10 and Flexi Compact

all Base Stations expect the Motorola Horizon II BTS

Flexi Multiradio, Flexi Multiradio 10, and Metro Site BTS

Does the energy consumption and environmental impact challenge the operators ?

Yes, because the energy consumption and environmental impact are today's critical aspects for coming technologies

No, because the energy consumption and environmental impact are very costly to handle

Yes, but only on few countries and regions are impacted by environtmental and energy local policies. New growing markets are not affected

No, because the energy consumption and environmental impact are for LTE and future technologies and does not have any impact on mature markets

Which is the correct signaling protocol stack from the C-Plane and M-Plane from the Packet Abis over TDM feature ?

NBAP, SSCF_UNI, SSCOP, AAL5, ATM

Which statement about "ng-eNB" is BEST Fit

Providing NR user plane and control plane protocol terminations towards UE , supports connectivity with 5GC only

Providing E-UTRA user plane and control plane protocol terminations towards UE , Supports connectivity to 5GC and EPC

Providing E-UTRA user plane and control plane protocol terminations towards UE , Supports connectivity to 5GC only

Providing NR user plane and control plane protocol terminations towards UE , supports connectivity with EPC only

What is Network Slicing

a concept for running multiple logical networks as virtual Independent business operations on a common physical infrastructure

a concept for separation UP & CP

a concept for deployments using NFV

a concept for the RAN architecture to allow the deployment of new services rapidly and efficiently

Which of the applications requires Ultra Low Latency?

Industry robotics and automation

Which of the following are main functions of the AMF?

NAS security and idle State mobility handling

Mobility anchoring and PDU handling

UE IP address allocation and PDU session control

Radio Bearer Control and Dynamic Resources Allocation

What is the minimum number of BCN modules per MCRNC ?

None BCN modules are used only for mcBSC

Nokia Subcontractor-22

Authored by bayu nugraha

Professional Development

Used 3+ times

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60 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

You are in optimizing 1 new site and 4G Payload suddenly increase and impact to your CSSR KPI, what will you NOT do immediately?

Check if any promo campaign to up the sales

Check your validity of your measurement if any double counting

Payload Increase is good, so make justification for CSSR KPI

Check if any site surrounding site if shutdown

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which Global NPO community contains network planning and optimization guidance material grouped per technology or product?

Services Community

Radio community Wiki

NPO Modular Working Items Wiki

NPO Services Wiki

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What statement about Uplink Power control is NOT true

UL power control changes may impact UL RSSI and SINR for PUSCH

UL power control is responsible for setting the power of the PHICH

UE is transparent to the UL power control algorithm

UL power control is important for the correct MSG3 reception

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the capacity of one time slot in TRX?

32Kbps

16Kbps

64Kbps

8Kbps

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Iu-B is the interface between

NodeB-NodeB

RNC-SGSN

RNC-RNC

NodeB-RNC

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How to improved DL Throughput, except

Single Tx – MIMO

MIMO 2x2 -> 2x4

MIMO 2x2 à 4x4

MIMO 2x4 à 4x2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is it possible to plot throughput with a planning tool capable of only path loss based calculations?

1. No, it is only possible with Monte Carlo simulations

2. Yes, if the tool can calculate path loss and SINR (for static load) and MAPL (from link budget) is available for different throughputs

1 and 3 True

3. No, it is not possible based on only path loss calculations

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