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Worksheets5G Indosat Assessment_A
Total questions: 30
Worksheet time: 2hrs 30mins
Name
Class
Date
1.
5G Performance requirement : How can 5G achieve lower Latency than 4G?
a)
With the help of mMIMO and Beamforming
b)
With the help of a highly distributed Network Architecture e.g. Edge Cloud
c)
With the help of Multi-Connectivity
d)
With the help of Software Defined Networking (SDN)
2.
5G Performance requirement : What is the Peak Throughput requirement for 5G?
a)
>100 Mbps
b)
>1 Gbps
c)
>10 Gbps
d)
>20 Gbps
3.
Radio network : Which statement regarding the "ng-eNB" is the BEST fit?
a)
Provides E-UTRA user plane and control plane protocol terminations towards the UE, Supports connectivity to 5GC and EPC
b)
Provides E-UTRA user plane and control plane protocol terminations towards the UE, Supports connectivity to 5GC only
c)
Provides NR user plane and control plane protocol terminations towards the UE, Supports connectivity to 5GC only
d)
Provides NR user plane and control plane protocol terminations towards the UE, supports connectivity to EPC only
4.
Radio network : In the 5G radio architecture option "CPRI Baseband hotel" , what is the required CPRI data rate between RF and L1 LOW ?
a)
1 Tbps
b)
100 Gbps
c)
20 Gbps
d)
10 Gbps
5.
Non-Standalone Architecture (NSA) : Which 5G Network architecture deployment Option uses the "5G Core with eNB as Master and gNB as Secondary Node" ?
a)
Option 2
b)
Option 3
c)
Option 4
d)
Option 7
6.
Multi access : How many OFDM symbols are supported in a Slot?
a)
2
b)
4
c)
7
d)
14
7.
Multi access : Multiple subcarrier spacings is an important NR feature. What are the supported subcarrier spacings (kHz)?
a)
20; 40; 80; 160; 320
b)
20; 40; 80; 160
c)
15; 30; 60; 120; 240
d)
15; 30; 60; 120; 160
8.
Multi access : In 5G the Multiple Access scheme for the NR physical layer is:
a)
OFDMA, TDMA and SDMA
b)
OFDMA and CDMA
c)
Only OFDMA
d)
Only SDMA
9.
Multi access : What is the main purpose of including mini-slots within the NR frame structure?
a)
To support short allocations, minimizing queuing and transmission latency
b)
To improve machine to machine communication data rates
c)
The mini-slot concept is theoretical and will not be implemented in 5G NR
d)
To improve data rates, sacrificing and increasing latency
10.
NR Spectrum : How many Frequency Ranges (FR) are defined for NR in 3GPP?
a)
1
b)
2
c)
3
d)
5
11.
NR spectrum : The MINIMUM occupied channel bandwidth of a single component carrier is:
a)
FR1: 5MHz and FR2: 50MHz
b)
FR1: 5MHz and FR2: 100MHz
c)
FR1: 10MHz and FR2: 100MHz
d)
FR1: 30MHz and FR2: 200MHz
12.
NR spectrum : From 3GPP release 15, NR will support spectrum operation between:
a)
From below 1GHz up to 52.6GHz
b)
From below 400MHz up to 90GHz
c)
From below 400MHz up to 52.6GHz
d)
From 400MHz and 90GHz
13.
NR-RAN Architecture : Which option supports 5G standalone deployment?
a)
option 3x
b)
option 2
c)
option 4
d)
option 7
14.
NR-RAN Architecture : Which of the following 5G Network options is NOT part of 3GPP Release 15 ?
a)
option 2
b)
option 3
c)
Option 4
d)
Option 8
15.
Beam Management : Where is the Beam Recovery function performed?
a)
At the RLC and LLC protocol layers
b)
At the MAC and LLC protocol layers
c)
At the PHY and MAC protocol layers
d)
At the PHY and LLC protocol layers
16.
Beam Management : What is the purpose of the Beam Indication procedure?
a)
It is used for rapid link reconfigurations against sudden blockages
b)
It is used to refine gNB and UE side beams to allow seamless handover between beams
c)
It is used to provide the gNB with knowledge regarding the feasible DL and UL beams for the UE
d)
It is used to assist the UE to set its reception and transmission beams properly for the reception of DL and transmission of UL, respectively
17.
Beam Management : What are the MAXIMUM number of 5G broadcast beams supported for the low, medium and high frequency ranges?
a)
4, 8 and 16
b)
4, 8 and 64
c)
8, 16 and 32
d)
16, 32 and 64
18.
mMIMO & Beamforming : In which 3GPP release is mMIMO available for 5G?
a)
Release 8
b)
Releases 9-10
c)
Releases 13-14
d)
Release 15
19.
mMIMO & Beamforming : Which statement is TRUE regarding hybrid beamforming?
a)
There are adaptive TX/RX weightings at both RF and Baseband
b)
Hybrid beamforming does NOT support multiple data streams.
c)
Hybrid Beamforming has low flexibility
d)
Hybrid beamforming has high power consumption
20.
mMIMO & Beamforming : Which access technology uses an array of antennas, along with 3D beamforming techniques to increase link capacity, and coverage while reducing interference?
a)
mMIMO
b)
Carrier Aggregation
c)
WiFi
d)
Adaptive Modulation and Coding
21.
mMIMO & Beamforming : How many Transceivers (TRX's) per Polarization are there in the case of 5G Analog Beamforming?
a)
1
b)
2
c)
4
d)
8
22.
AirScale System Module : What is the MAXIMUM number of ASIK per AMIA subrack?
a)
1
b)
2
c)
4
d)
6
23.
AirScale System Module : What is the MAXIMUM number of ABIL per AMIA subrack?
a)
1
b)
2
c)
4
d)
6
24.
AirScale System Module : The Airscale subrack B-slot acommodates:
a)
Common plug-in units
b)
Common and Capacity plug-in units
c)
Capacity plug-in units
d)
Power plug-in units
25.
AirScale System Module : Which of the following is an ABIL function?
a)
RF interfaces to the Radio Units
b)
Synchronization
c)
Power feed
d)
Local Operations and Maintenance
26.
AirScale Radio Units : Please select the correct description for the AirScale mmWave Radio Unit solution
a)
Small Cell; Wide area, Rural; Analog Beamforming
b)
Small Cell; White Spot; Analog Beamforming
c)
Macro Cell; White Spot; Analog Beamforming
d)
Macro Cell; Wide area, Rural; Digital Beamforming
27.
AirScale Radio Units : What is the MAXIMUM number of TRXs suported by an AEQN Active Antenna?
a)
8
b)
14
c)
32
d)
90
28.
AirScale Radio Units : What is the MAXIMUM number of TRXs suported by an AAHF active antenna?
a)
8
b)
21
c)
44
d)
64
29.
AirScale Radio Units : The AHBCB module is an RRH for 5G/LTE. In the case of 5G NR, the suppported carrier configurations are:
a)
5 MHz only
b)
5 MHz and 10 MHz only
c)
5 MHz; 10 MHz and 20 MHz only
d)
5 MHz; 10 MHz; 15 MHz and 20 MHz
30.
AirScale Radio Units : What is the MAXIMUM number of antenna elements per polarization provided by the AEUA?
a)
32
b)
64
c)
256
d)
512
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