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Worksheets5G Indosat Assessment_B
Total questions: 30
Worksheet time: 2hrs 30mins
Name
Class
Date
1.
5G Performance requirement : How can 5G achieve high Throughput?
a)
With the help of the Serivce Based Architecture (SBA) within the Core Network
b)
With the help of a highly distributed Network Architecture e.g. Edge Cloud
c)
With the help of Software Defined Networking (SDN)
d)
With the help of enablers like New Increased Spectrum, Multi-Connecitivity, mMIMO and Beamforming
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 BEST fits the introduction of the F1 interface in 5G?
a)
Allows gNB CU and gNB DU to be from different vendors
b)
Requires gNB CU and gNB DU to be from the same vendor
c)
Requires gNB CU's connected to the 5G core to be from the same vendor
d)
Requires all the gNB DU's connected to gNB CU to be from same vendor
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 NSA option is the most preferred by Operators during the early deployment of 5G ?
a)
Option 3
b)
Option 3a
c)
Option 3X
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 entity handles the control plane towards the Core Network in NSA option 3x?
a)
eNB
b)
gNB
c)
Both eNB & gNB
d)
RNC
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 : Which procedure is used for rapid link reconfigurations against sudden blockages?
a)
Beam Indication
b)
Beam Measurements and Reporting
c)
Beam Recovery
d)
Beam Tracking and Refinement
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 : What is the Main objective of Multi-Antenna technology in NR?
a)
Reduce Phase Noise
b)
Reduce Latency
c)
Reduce Power Consumption
d)
Enhance Coverage and Spectral Efficiency
20.
mMIMO & Beamforming : What is meant by the term Active Antenna?
a)
It refers to the integration of small RF units inside the antenna
b)
It comprises of only radiating elements but may include phase shifters
c)
It refers to antennas with very high gain
d)
It refers to antennas with very small size
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 : What is the MAXIMUM number of TRXs suported by an AEQN Active Antenna?
a)
8
b)
14
c)
32
d)
90
27.
AirScale Radio Units : What is the MAXIMUM number of TRXs suported by an AAHF active antenna?
a)
8
b)
21
c)
44
d)
64
28.
AirScale Radio Units : The AAHF (FR1) Active Antenna is designed to give high cell throughput and spectrum efficiency performance using:
a)
Massive MIMO and Digital beamforming
b)
Massive MIMO and Analog beamforming
c)
TDD, Massive MIMO and Analog beamforming
d)
TDD, Multi technology support and MIMO
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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