��
4G Network Knowledge Quiz
Test your knowledge on 4G technology with this engaging quiz! Dive deep into the intricate details of LTE networks, from architecture to spectral efficiency. Perfect for students and professionals alike.
- Multiple-choice questions
- Covers various aspects of 4G technology
- Enhance your understanding of mobile networks
What location management feature is supported by 4G?
Concatenated Location Registration
Concurrent Location Register
Concatenated Management
Collated Location Registration
Which of the following is not a part of the characteristic of 4G network?
Multi-rate management
Fully converged services
Software dependency
Diverse user devices
What is the average uploading speed of 4G LTE network?
1-3 Gbps
2-5 Gbps
1-3 Mbps
2-5 Mbps
What is the length of the shortest possible PDCCH in bits?
144
288
72
576
With the normal cyclic prefix, how many symbols are contained in 1 frame?
7
140
12
40
In LTE architecture which service connects the UE to the peer entity?
radio bearer
EPS bearer
external bearer
end to end service
Frame relay, ATM, and Ethernet are generally considered to be example of which OSI model layer?
Application layer
Presentation layer
Session layer
Data link layer
Which of the OSI reference model layers is responsible for communicating with the application and providing communication services for it?
Application layer
Presentation layer
Session layer
Transport layer
What LTE radio spectrum does band II refer to?
2.1GHz
800MHz
lower 700MHz
1900MHz
Which type of cell provides the best level of service for average subscribers?
Acceptance cell
Barred cell
Reserved cell
Suitable cell
Which of the following spectrum bands was identified as part of the IMT 2000 family?
1520 – 1590MHz
2410 – 2490MHz
82 – 105MHz
450 – 470MHz
The S8 and S6 interfaces are used to support which service?
VoIP
WAP gateway access
Roaming
Security
Interfaces between the 2G/3G core and the EPC uses which protocol?
GTP
RLC
SS7
MTP
Which EPC node acts as a router, provides transport level packet marking and some accounting functions?
eNB
SGW
MME
PGW
How many network nodes are defined within the eUTRAN?
1
2
3
4
Spectral efficiency for LTE eUTRAN is expected to be, how many times better than the current release 6 HSPA?
3-4 times better in the downlink
3-4 times better in the uplink
2-3 times better in the downlink
no significant improvement
Which of the following are LTE eUTRAN objectives?
support for market penetration greater than 100%
voice over IP
low-cost roaming
100Mbps peak downlink data rates
Initial 4G LTE standard supported Carrier Aggregation.
True
False
What are the differences between FDM and OFDM?
FDM uses Guard bands. OFDM does not need Guard bands.
FDM transmits data in a big channel. OFDM transmits chunks of data through a group of small channels.
FDM is sensitive to Multipath effects and Noise. In OFDM, only very few Subchannels are affected by Noise and Multipath diversity.
All the above
What is the name given to a 4G LTE or UMB based Core Network Architecture?
SAE (System Architecture Evolution)
SAP (System Architecture Pro)
CAS (Core System Architecture)
None
What does AAS represent in a UMB (Ultra Mobile Broadban
based 4G network?
Antenna Average System
Advanced Antenna System
Analog Amplitude System
None
What is the round-trip latency between a Mobile phone and Base station in a 4G LTE network?
1ms
5ms
10ms
20ms
What are the advantages of a 4G LTE network over 3G network?
More Spectral Efficiency
Low power consumption
Scalability and Flexibility with other networks
All the above
What is the other name for a 3GPP2 based 4G network?
Super Mobile Broadband (SMB)
Advanced Mobile Broadband (AMB)
Ultra Mobile Broadband (UMB)
None
What is the name of a Base Transceiver Station in 2G system equivalent in a 4G LTE system?
nodeB
eNodeB
aNodeB
nodeBPro
IMT-A (International Mobile Telecommunications Advance is _____.
LTE-A (LTE Advance)
The system that implements specifications of ITU-R(ITU Radiocommunication)
Also known as 4.5G
All the above
What is the carrier Bandwidth in a typical 3G WCDMA based network?
1.4 MHz
3MHz
5 MHz
10 MHz
What does OFDMA stands for?
Original Frequency Division Multiple Access
Orthogonal Frequency Division Multiple Access
Omitted Frequency Division Multiple Access
None
What is the Access technique used by an LTE or LTE-A network?
WCDMA
FDMA
PDMA
OFDMA
What does LTE stand for?
Level Telecom Advanced
Long Terminal Advanced
Long Term Evolution
Long Time Evolution
How much bandwidth is required to transmit the primary and secondary synchronization signals?
1.08 MHz
1.4 MHz
930 kHz
20 MHz
9. Which RLC mode adds the least amount of delay to user traffic?
Unacknowledged mode (UM)
Acknowledged mode (AM)
Low latency mode (LM)
Transparent mode (TM)
In LTE, what is the benefit of PAPR reduction in the uplink?
Improved uplink coverage
Lower UE power consumption
Reduced equalizer complexity
Improved uplink coverage, lower UE power consumption and reduced equalizer
What is the largest channel bandwidth a UE is required to support in LTE?
10 MHz
20 MHz
1.4 MHz
5 MHz
6. How often can resources be allocated to the UE?
Every symbol
Every slot
Every subframe
Every frame
Which channel indicates the number of symbols used by the PDCCH?
PHICH
PDCCH
PBCH
PCFICH
Which organization is responsible for developing LTE standards?
UMTS
3GPP
3GPP2
ISO
What is the minimum amount of RF spectrum needed for an FDD LTE radio channel?
1.4 MHz
2.8 MHz
5 MHz
20 MHz
What type of handovers is supported by LTE?
Hard handover only
Soft handover only
Hard and soft handover
Hard, soft and softest handover
Which UE category supports 64 QAM on the uplink?
Only category 5
Only category 4
Only category 3
Category 3,4 and 5
For the following STD if λ= 2 and μ = 3
P0=1/3
P0=2/3
P0=1
P0=4/3
For the following STD if λ= 2 and μ = 3
Nav=2/3
Nav=4/3
Nav=2
Nav=8/3
For the following STD if λ= 2 and μ = 3
Qav=1/3
Qav=2/3
Qav=1
Qav=4/3
For the following STD if λ= 1 and μ = 10
P0=80/90
P0=1
P0=100/90
P0=110/90
For the following STD if λ= 1 and μ = 10
Nav=.015
Nav=.115
Nav=.215
Nav=.315
For the following STD if λ= 1 and μ = 10
Qav=.012
Qav=.112
Qav=.212
Qav=.312
For the following STD if λ= 1 and μ = 8 , alpha= .8
P0=.588
P0=.688
P0=.788
P0=.888
For the following STD if λ= 1 and μ = 8 , alpha= .8
Nav=.114
Nav=.214
Nav=.314
Nav=.414
For the following STD if λ= 1 and μ = 8 , alpha= .8
Qav=.033
Qav=.023
Qav=.013
Qav=.003
For the following STD if l=1 , m=3 and 2 servers
P0=.61
P0=.71
P0=.81
P0=.91
For the following STD if l=1 , m=3 and 2 servers
Nav=.14
Nav=.24
Nav=.34
Nav=.44
For the following STD if l=1 , m=3 and 2 servers
Qav=.1
Qav=.2
Qav=.3
Qav=.4
Rk=cos(0.4 k)+cos(0.2k) the optimal predictor 1,2,3-tape = (take the first element in matrix for 2,3 tapes)
.45,6.85,1.53
.35,2.85,4.53
.95,1.85,1.53
.55,3.85,6.53
Rk=cos(0.4 k)+cos(0.2k) the signal power using 1-tape equal to , Hint:R1
2
1.9
1.62
1.19
Rk=cos(0.4 k)+cos(0.2k) the noise power (J) using 1,2,3-tape equal to
.395,.04,.037
.295,.03,.027
.195,.02,.017
.095.01,.007
Rk=cos(0.4 k)+cos(0.2k) the processing gain using 1,2,3-tapes =
10.25 ,100, 118
15.25 , 150,178
20.25 , 200 , 218
25.25, 250 ,268
Rk=exp(-0.1 k^2) the optimal predictor using 1,2,3-tape = (take the first element in matrix for 2,3 tapes)
.9,1.56,1.78
1.9,2.56,2.78
3.9,3.56,3.78
4.9,4.56,4.78
Rk=exp(-0.1 k^2) the signal power using 1-tape equal to , Hint:R1
1
.9
.67
.41
Rk=exp(-0.1 k^2) the noise power (J) using 1,2,3-tape =
.19 , .087 , .079
.29 , .187 , .179
.39 , .287 , .279
.49 , .387 , .379
Rk=exp(-0.1 k^2) the processing gain using 1,2,3-tape =
5,11.5,12.7
8,14.5,18.7
6,12.5,19.7
7,18.5,12.7
Using Erlang B (Blocking probability) formula, Find the blocking probability if the number of channels is 4 per cell and the traffic intensity A=2.7
.15
.16
.17
.18
Find the lowest cluster size required to have C/I =30 dB , gamma=4
7
12
27
17
For CDMA system If Z=[0.5 -0.5 0.5 -0.5] the noise vector, the worst case in detection equal
-4
4
2
-2
If 20 MHz of total spectrum is allocated for a duplex wireless cellular system and each sim-plex channel has 25 kHz RF bandwidth the number of duplex channels is ...
100
200
300
400
If 20 MHz of total spectrum is allocated for a duplex wireless cellular system and each sim-plex channel has 25 kHz RF bandwidth the total number of channels per cell site, if N = 4 cell reuse is used is :
100
200
300
400
Acellular service provider decides to use a digital TDMA scheme which can tolerate a signal- to-interference ratio of 15 dB in the worst case. The optimal value of N for omnidirectional antennas is (Assume a path loss exponent of n = 4 and consider trunking efficiency.)
3
5
7
9
Acellular service provider decides to use a digital TDMA scheme which can tolerate a signal- to-interference ratio of 15 dB in the worst case. The optimal value of N for 120 sectoring antennas is (Assume a path loss exponent of n = 4 and consider trunking efficiency.)
3
5
7
9
Acellular service provider decides to use a digital TDMA scheme which can tolerate a signal- to-interference ratio of 15 dB in the worst case. The optimal value of N for 60 sectoring antennas is (Assume a path loss exponent of n = 4 and consider trunking efficiency.)
3
5
7
9
Acellular service provider decides to use a digital TDMA scheme which can tolerate a signal- to-interference ratio of 15 dB in the worst case. The optimal sectoring is .. (Assume a path loss exponent of n = 4 and consider trunking efficiency.)
60
120
180
360
Acellular service provider decides to use a digital TDMA scheme which can tolerate a signal- to-interference ratio of 15 dB in the worst case. The optimal value of N for omnidirectional antennas is (Assume a path loss exponent of n = 3 and consider trunking efficiency.)
4
7
9
12
Acellular service provider decides to use a digital TDMA scheme which can tolerate a signal- to-interference ratio of 15 dB in the worst case. The optimal value of N for 120 sectoring antennas is (Assume a path loss exponent of n = 3 and consider trunking efficiency.)
4
7
9
12
Acellular service provider decides to use a digital TDMA scheme which can tolerate a signal- to-interference ratio of 15 dB in the worst case. The optimal value of N for 60 sectoring antennas is (Assume a path loss exponent of n = 3 and consider trunking efficiency.)
4
7
9
12
Acellular service provider decides to use a digital TDMA scheme which can tolerate a signal- to-interference ratio of 15 dB in the worst case. The optimal sectoring is .. (Assume a path loss exponent of n = 3 and consider trunking efficiency.)
60
120
180
360
A total of 24 MHz of bandwidth is allocated to a particular FDD cellular telephone system that uses two 30 kHz simplex channels to provide full duplex voice and control channels. Assume each cell phone user generates 0.1 Erlangs of traffic. Assume Erlang B is used. The number of channels in each cell for a four-cell reuse system is ..
100
200
300
400
A total of 24 MHz of bandwidth is allocated to a particular FDD cellular telephone system that uses two 30 kHz simplex channels to provide full duplex voice and control channels. Assume each cell phone user generates 0.1 Erlangs of traffic. Assume Erlang B is used.If each cell is to offer capacity that is 90% of perfect scheduling, find the maximum number of users that can be supported per cell where omnidirectional antennas are used at each base station.
500
700
900
1100
A total of 24 MHz of bandwidth is allocated to a particular FDD cellular telephone system that uses two 30 kHz simplex channels to provide full duplex voice and control channels. Assume each cell phone user generates 0.1 Erlangs of traffic. Assume Erlang B is used. If each cell covers five square kilometers, then how many subscribers could be supported in an urban market that is 50 km x 50 km for the case of omnidirectional base station antennas?
350,000
450,000
550,000
650,000
{"name":"��", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"Test your knowledge on 4G technology with this engaging quiz! Dive deep into the intricate details of LTE networks, from architecture to spectral efficiency. Perfect for students and professionals alike.Multiple-choice questionsCovers various aspects of 4G technologyEnhance your understanding of mobile networks","img":"https:/images/course1.png"}
More Quizzes
Telecommunications Device Identification Quiz
4724165
5G For Beginners
15835
LTE MCQ
4020159
OJT quiz
15815
5G
15810
Talk Telco with Confidence
14721
Mock Quiz 1-13
13661
Selected topics in communications
482488
Mobile Package
69340
Networking Devices and OSI Layers Quiz
158169
Baseband Ethernet Technologies
1588
EB workshop_5May2023_New
14713