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Worksheets5G Indosat Assessment_C
Total questions: 30
Worksheet time: 2hrs 30mins
Name
Class
Date
1.
5G Performance requirement : What is the Peak Throughput requirement for 5G?
a)
>100 Mbps
b)
>1 Gbps
c)
>10 Gbps
d)
>20 Gbps
2.
5G Performance requirement : Which of these applications requires Ultra High Reliability?
a)
Vehicle to Vehicle Communication
b)
Wearables
c)
Fixed Wireless Access
d)
Social Networking
3.
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
4.
Radio network : With the "Option 2" NR RAN functional split, which Protocol entities are within the CU?
a)
RRC & PDCP
b)
RRC,PDCP & RLC
c)
RRC,PDCP & RLC HI
d)
RRC,PDCP & RLC LO
5.
Non-Standalone Architecture (NSA) : In which NSA option does Data Bearer Split happen at the "gNB" ?
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 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
14.
NR-RAN Architecture : Where does the bearer split happen in Option 3x NSA?
a)
gNB
b)
eNB
c)
EPC
d)
MME
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 DL Reference Signal is used for Beam Management in Connected Mode?
a)
PSS
b)
PBCH DMRS
c)
SSS
d)
CSI-RS
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 benefit of having an increased number of transmitters (TRX's) within an active antenna?
a)
It is beneficial for Analog Beamforming at higher frequency bands
b)
It is cost effective and reduces power consumption
c)
It increases the cell capacity
d)
It allows the creation of a single constructive beam for providing enhanced coverage
20.
mMIMO & Beamforming : In the case of Digital Beamforming, beamforming is done:
a)
before Digital-Analog Conversion of the signal
b)
after Digital-Analog Conversion of the signal
c)
partially Before Digital-Analog Conversion and Partially After Digital-Analog Conversion
d)
at the Antenna Elements
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 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
29.
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
30.
AirScale Radio Units : What is the color of the Unit LED in case of a critical alarm affecting the whole RF module or all antenna carriers?
a)
Stable Red
b)
Blinking Red
c)
Stable Yellow
d)
Blinking Yellow
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