MIGRATION TO MOBILE TECHNOLOGIES UPTO 5G

E4 - E5 CM
MIGRATION TO MOBILE TECHNOLOGIES UPTO 5G
Q. 1 , What is the main feature of 1G mobile communication?

a) Only voice services

b) Voice and data services

c) Streaming multimedia services

d) Access to the internet

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Q. 2 , What is the main difference between 1G and 2G mobile communication?

a) 2G provides only voice services.

b) 2G provides both voice and data services.

c) 1G provides higher data rates.

d) 2G is an analog technology.

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Q. 3 , What is the primary focus of 3G mobile communication?

a) Voice services

b) Data services

c) Voice and data services

d) Multimedia streaming services

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Q. 4 , What is the main benefit of 4G mobile communication compared to previous generations?

a) Faster data rates

b) Access to the internet

c) Streaming multimedia services

d) Lower cost

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Q. 5 , Which of the following wireless networks is important for 5G technologies?

a) 802.3 Wireless Personal Area Network (WPAN)

b) 802.16 Wireless Metropolitan Area Networks (WMAN)

c) 802.11 Wireless Local Area Networks (WLAN)

d) 802.22 Wireless Regional Area Network (WRAN)

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Q. 6 , Why is GSM circuit switching inefficient for data services?

a) It is an analog technology.

b) It provides only voice services.

c) It is not compatible with Internet Protocol (IP).

d) It is not secure.

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Q. 7 , What is GPRS?

a) A circuit-switched technology

b) A packet-switched technology

c) A wireless network standard

d) A multimedia streaming service

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Q. 8 , When was the GPRS Phase 1 standardization work finalized?

a) Q1/1997

b) Q1/1998

c) Q1/1999

d) Q1/2000

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Q. 9 , Which of the following is not a part of GPRS Phase 1?

a) Air interface

b) Mobility management

c) Security

d) Enhanced QoS support

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Q. 10 , What services were added in GPRS Phase 2?

a) Point-to-point (PTP) services

b) Enhanced QoS support

c) Point-to-multipoint (PTM) connections

d) All of the above

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Q. 11 , What is the charging method for GPRS based on?

a) The time connected

b) The amount of data transferred

c) The number of users

d) The network capacity

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Q. 12 , What are the advantages of GPRS for users?

a) Instant access to data

b) Higher transmission speeds

c) Charging based on data transferred

d) All of the above

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Q. 13 , What is the primary advantage of GPRS for operators?

a) Fast network roll-out with minimum investment

b) Excess voice capacity used for GPRS data

c) Smooth path to 3G services

d) All of the above

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Q. 14 , Which generation of mobile communication is expected to provide 'Anytime, Anywhere' access to facilities such as voice, data, and multimedia at much higher data rates compared to previous generations?

a. 1G

b. 2G

c. 3G

d. 4G

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Q. 15 , Which of the following wireless networks is NOT important for 5G technologies?

a. WLAN

b. WMAN

c. WPAN

d. Cellular networks

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Q. 16 , What is the main advantage of GPRS for users?

a. Instant access to data as if connected to an office LAN

b. Charging based on the amount of time connected

c. Slower transmission speeds

d. Higher transmission costs

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Q. 17 , In what year was the ETSI standardization work on GPRS Phase 1 officially finalized?

a. 1997

b. 1998

c. 1999

d. 2001

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Q. 18 , Which of the following is NOT part of GPRS Phase 1?

a. Air interface

b. Mobility management

c. Security

d. Enhanced QoS support

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Q. 19 , Which phase of GPRS added services like enhanced QoS support and point-to-multipoint connections?

a. GPRS Phase 1

b. GSM Release 98

c. GPRS Phase 2

d. GSM Release 99

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Q. 20 , What is the charging model for GPRS data?

a. Based on the amount of time connected

b. Based on the amount of data transferred

c. Free for users

d. A flat rate regardless of usage

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Q. 21 , Which of the following is NOT an application example for GPRS?

a. E-commerce

b. Banking

c. Real-time information for buses, trains, and airlines

d. Gaming

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Q. 22 , What is the main advantage of GPRS for operators?

a. Fast network roll-out with minimum investment

b. Excess data capacity used for voice services

c. No need for additional infrastructure

d. Unlimited data usage for users

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Q. 23 , What is the difference between circuit switching and packet switching?

a. Circuit switching divides data into packets and sends them through the network, while packet switching establishes a connection between two points for the duration of the call.

b. Circuit switching establishes a connection between two points for the duration of the call, while packet switching divides data into packets and sends them through the network.

c. Circuit switching is more efficient for bursty Internet/intranet traffic, while packet switching is better for voice services.

d. Circuit switching is used for 5G networks, while packet switching is used for 4G networks.

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Q. 24 , What is the main requirement of a GPRS network?

a. To use as little of the existing GSM infrastructure as possible

b. To support multiple voice connections for each user

c. To provide secure access to external networks

d. To be compatible with future 3rd and 4th generation mobile communication systems

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Q. 25 , What does the Packet Control Unit (PCU) do?

a. Separates the circuit switched and packet switched traffic from the user and sends them to the GPRS and GSM networks respectively

b. Performs the radio resource management functions of the GSM network

c. Is responsible for the Channel Coding, power control and timing advance procedures

d. Provides the gateway to external networks

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Q. 26 , Where can the Packet Control Unit (PCU) be located?

a. Only in the BTS

b. Only in the BSC

c. Any point between the MS and the MSC

d. Only in the SGSN

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Q. 27 , What is the Channel Codec Unit (CCU)?

a. A unit that separates the circuit switched and packet switched traffic from the user and sends them to the GPRS and GSM networks respectively

b. A unit that performs most of the radio resource management functions of the GPRS network

c. A unit that is responsible for the Channel Coding, power control and timing advance procedures

d. A unit that provides the gateway to external networks

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Q. 28 , What is the most important element of the GPRS network?

a. The BTS

b. The BSC

c. The SGSN

d. The GGSN

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Q. 29 , What is the equivalent of the SGSN in the GSM network?

a. The BTS

b. The BSC

c. The MSC

d. The GGSN

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Q. 30 , What functions does the Serving GPRS Support Node (SGSN) perform?

a. Provides the gateway to external networks

b. Collects charging data pertaining to the use of GPRS users

c. Performs the radio resource management functions of the GPRS network

d. All of the above

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Q. 31 , What is the coverage area associated with a SGSN?

a. The entire GPRS network

b. Only the cell in which the SGSN is located

c. The area served by a single BTS

d. The area served by a single BSC

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Q. 32 , What does the Gateway GPRS Support Node (GGSN) do?

a. Separates the circuit switched and packet switched traffic from the user and sends them to the GPRS and GSM networks respectively

b. Performs the radio resource management functions of the GPRS network

c. Collects charging data pertaining to the use of GPRS users

d. Provides the gateway to external networks

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Q. 33 , How many GGSNs are there usually in a network?

a. Only one

b. Two or more for redundancy purposes

c. As many as there are SGSNs in the network

d. None of the above

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Q. 34 , What is the anchor point in a GPRS data connection?

a. The BTS

b. The SGSN

c. The GGSN

d. The MSC

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Q. 35 , What does HSPA stand for?

a. High-Speed Packet Access

b. High-Speed Processed Access

c. High-Speed Provisioned Access

d. High-Speed Point Access

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Q. 36 , What is the top data rate for HSPA?

a. 5 Mbps

b. 14 Mbps

c. 50 Mbps

d. 168 Mbps

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Q. 37 , What is the core facility provided in 3GPP Release 4?

a. Support for IP

b. Support for circuit switched technology

c. Support for downlink packet data

d. Support for broadcast services

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Q. 38 , Which release of the 3GPP standard included the core of HSDPA?

a. Release 4

b. Release 5

c. Release 6

d. Release 7

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Q. 39 , What is the raw data rate for HSDPA?

a. 5.74 Mbps

b. 14 Mbps

c. 50 Mbps

d. 168 Mbps

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Q. 40 , Which release of the 3GPP standard included the core of HSUPA?

a. Release 4

b. Release 5

c. Release 6

d. Release 7

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Q. 41 , What is the raw data rate for HSUPA?

a. 5.74 Mbps

b. 10 Mbps

c. 50 Mbps

d. 168 Mbps

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Q. 42 , What does MBMS stand for?

a. Multimedia Broadcast Multicast Services

b. Mobile Broadcast Multicast Services

c. Multi-Band Broadcast Mobile Services

d. Multi-Channel Broadcast Mobile Services

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Q. 43 , Which release of the 3GPP standard included MBMS?

a. Release 5

b. Release 6

c. Release 7

d. Release 8

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Q. 44 , What is MIMO?

a. Multi-Input Multi-Output

b. Multiple Internet Mobile Operator

c. Mobile Input Mobile Output

d. Mobile Internet Multicast Operator

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Q. 45 , Which release of the 3GPP standard included downlink MIMO operation?

a. Release 5

b. Release 6

c. Release 7

d. Release 8

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Q. 46 , What is 64-QAM?

a. 64-Quadrature Amplitude Modulation

b. 64-Quadrature Angle Modulation

c. 64-Quantum Amplitude Modulation

d. 64-Quantum Angle Modulation

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Q. 47 , Which release of the 3GPP standard introduced support for 64-QAM in the downlink?

a. Release 7

b. Release 8

c. Release 9

d. Release 10

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Q. 48 , What is CPC?

a. Continuous Packet Connectivity

b. Continuous Packet Coverage

c. Continuous Packet Control

d. Continuous Packet Communication

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Q. 49 , Which release of the 3GPP standard introduced protocol enhancements to allow support for CPC?

a. Release 5

b. Release 6

c. Release 7

d. Release 8

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Q. 50 , What is dual carrier operation?

a. The ability to use two different frequency bands simultaneously

b. The ability to use two different modulation schemes simultaneously

c. The ability to use two different MIMO configurations simultaneously

d. The ability to use two different protocols simultaneously

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Q. 51 , What is HSPA?

A) A type of 3G technology

B) A type of 2G technology

C) A type of 4G technology

D) A type of Wi-Fi technology

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Q. 52 , What was the main reason for the upgrade from 3G UMTS to HSPA?

A) To enable Internet surfing and video downloads

B) To improve voice quality

C) To reduce latency

D) To increase battery life

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Q. 53 , Which of the following is not a feature of HSPA?

A) Dual carrier

B) MIMO

C) Higher order modulation

D) OFDM

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Q. 54 , What is the purpose of the Evolved HSPA / HSPA+?

A) To improve voice quality

B) To increase battery life

C) To reduce latency

D) To improve data speed and overall performance

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Q. 55 , Which releases of the 3GPP standard included the definition of HSPA+?

A) Releases 5 and 6

B) Releases 6 and 7

C) Releases 7 and 8

D) Releases 8 and 9

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Q. 56 , Which of the following was included in 3GPP Release 7?

A) Dual carrier operation

B) Support for higher order modulation up to 64 QAM in the uplink

C) Support for higher order modulation up to 16 QAM in the downlink

D) All of the above

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Q. 57 , Which of the following was included in 3GPP Release 8?

A) Dual carrier operation

B) Support for higher order modulation up to 64 QAM in the uplink

C) Support for higher order modulation up to 16 QAM in the downlink

D) All of the above

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Q. 58 , Which of the following is a benefit of LTE over HSPA+?

A) Lower operating costs

B) Higher data rates for all channel bandwidths

C) Resilience to multipath and other propagation effects

D) Support for more users in a 'continuously on' state

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Q. 59 , What is the air interface used in LTE?

A) CDMA

B) OFDM

C) SC-FDMA

D) QAM

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Q. 60 , When was LTE first deployed in its basic form?

A) Around 1995

B) Around 2000

C) Around 2005

D) Around 2008

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Q. 61 , What were the initial deployments of LTE sometimes dubbed?

A) 3G

B) 3.5G

C) 4G

D) 5G

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Q. 62 , What was the first name given to LTE deployments?

A) LTE Advanced

B) 4G LTE Pro

C) 4G LTE

D) LTE

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Q. 63 , What is the network architecture like in LTE?

A) Overhauled to enable lower latency and much better interconnectivity

B) Similar to 3G

C) Based on Wi-Fi technology

D) Based on satellite technology

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Q. 64 , What was the first 3GPP release to introduce LTE?

A) Release 5

B) Release 6

C) Release 7

D) Release 8

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Q. 65 , What type of radio interface does LTE use?

A) CDMA

B) OFDMA / SC-FDMA

C) QAM

D) Wi-Fi

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Q. 66 , What is the maximum data rate offered by HSPA+ and LTE for a 5 MHz channel bandwidth?

a) 42 Mbps for HSPA+ and 37 Mbps for LTE

b) 84 Mbps for HSPA+ and 73 Mbps for LTE

c) 150 Mbps for LTE only

d) 28 Mbps for HSPA+ and 100 Mbps for LTE

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Q. 67 , Which 3GPP release introduced the definition of HSPA+ / Evolved HSPA?

a) Release 7

b) Release 8

c) Release 9

d) Release 10

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Q. 68 , What enhancements were made to the HSPA network to provide an overall improvement in performance for Evolved HSPA / HSPA+?

a) Improvements to the radio access network and backhaul only

b) Protocol enhancements to allow the support of more users that are in a 'continuously on' state

c) Enhancements to the radio access network, backhaul, and an on-going improvement to the network itself

d) None of the above

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Q. 69 , What is the main advantage of LTE over HSPA+ in terms of air interface?

a) Higher data traffic rates

b) Support for MIMO operation

c) Wider bandwidths and more resilient data transmissions

d) Lower latency

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Q. 70 , When was LTE first deployed in its basic form?

a) Around 2004

b) Around 2006

c) Around 2008

d) Around 2010

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Q. 71 , What was the main purpose of introducing PWS in LTE release 9?

a) To provide high-speed data services

b) To increase cell edge throughput

c) To provide timely and accurate alerts related to critical situations

d) To enhance the accuracy of user locations

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Q. 72 , What is Femto Cell in LTE?

a) A type of small cell used in offices or homes

b) A type of antenna used for beamforming

c) A type of modulation technique used in LTE

d) A type of signaling used for location-based services

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Q. 73 , What is the purpose of MIMO Beamforming in LTE?

a) To increase the number of cells in a network

b) To improve the accuracy of user locations

c) To increase cell edge throughput

d) To reduce manual work and cost associated with technical support

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Q. 74 , What is SON in LTE?

a) A type of small cell used in offices or homes

b) A type of modulation technique used in LTE

c) A type of signaling used for location-based services

d) A self-optimizing network that reduces manual work and cost associated with technical support

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Q. 75 , What is eMBMS in LTE?

a) A type of modulation technique used in LTE

b) A type of signaling used for location-based services

c) A broadcast service over LTE network

d) A type of small cell used in offices or homes

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Q. 76 , What are the three position methods specified in LTE release 9 for LTE Positioning?

a) Assisted GPS, Observed Time difference of arrival, and Enhanced Cell ID

b) Enhanced NodeB, OpenBTS, and SoftCell

c) Orthogonal Frequency Division Multiplexing, Frequency Hopping, and Direct Sequence Spread Spectrum

d) Time Division Multiple Access, Code Division Multiple Access, and Frequency Division Multiple Access

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Q. 77 , What is LTE Advanced?

a) The basic LTE, long term evolution cellular services launched around 2010

b) A set of techniques that enabled the system to provide very much higher data rates and better performance

c) A type of small cell used in offices or homes

d) A self-optimizing network that reduces manual work and cost associated with technical support

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Q. 78 , What did LTE Advanced incorporate?

a) New techniques that enabled the system to provide higher data rates and better performance

b) New techniques that enabled the system to provide lower data rates and better performance

c) A type of small cell used in offices or homes

d) A self-optimizing network that reduces manual work and cost associated with technical support

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Q. 79 , When was LTE-Advanced fully developed and rolled out across networks?

a) Around 2010

b) A few years after the launch of basic LTE

c) Around 2005

d) It has not yet been fully developed and rolled out

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Q. 80 , Which release of LTE introduced the Public Warning System (PWS)?

A) Release 8

B) Release 9

C) Release 10

D) Release 11

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Q. 81 , What is the purpose of Femto cells in LTE?

A) To provide wider coverage area

B) To enhance data rate for all users

C) To provide higher quality voice calls

D) To provide better coverage and capacity in indoor environments

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Q. 82 , What is MIMO Beam forming in LTE?

A) It is used to direct beam towards specific UE by position estimation at eNB

B) It is used to increase cell edge throughput

C) It is used to provide better coverage in rural areas

D) It is used to provide better voice quality for all users

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Q. 83 , What is Self Organizing Networks (SON) in LTE?

A) It is a network that can configure and optimize itself

B) It is a network that can heal itself automatically

C) It is a network that can detect and mitigate interference

D) It is a network that can automatically optimize coverage and capacity

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Q. 84 , What is eMBMS in LTE?

A) A channel that is used to broadcast services over LTE network

B) A channel that is used to provide voice services over LTE network

C) A channel that is used to provide data services over LTE network

D) A channel that is used to provide emergency services over LTE network

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Q. 85 , What are the three positioning methods specified in LTE release 9?

A) A-GPS, OTDOA, and E-CID

B) Wi-Fi, Bluetooth, and NFC

C) WCDMA, CDMA2000, and GSM

D) TCP/IP, UDP, and FTP

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Q. 86 , What is LTE Advanced?

A) The basic LTE cellular services launched in 2010

B) An enhanced version of LTE that provides much higher data rates and better performance

C) An early version of 5G cellular technology

D) An enhanced version of Wi-Fi technology

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Q. 87 , What is IMT-Advanced?

A) An international standard for LTE technology

B) A 4G mobile technology defined by ITU-R

C) An enhanced version of Wi-Fi technology

D) A standard for Bluetooth technology

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Q. 88 , What is the basis for all access schemes used in radio technology evolution to 4G?

a) OFDM

b) OFDMA

c) SC-FDMA

d) Both b and c

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Q. 89 , What are the separate multiple-access technologies used by LTE for the downlink and the uplink?

a) OFDM for both

b) OFDMA for downlink and SC-FDMA for uplink

c) SC-FDMA for downlink and OFDMA for uplink

d) None of the above

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Q. 90 , Which multiple access technology is introduced in Release 10 for enhanced uplink?

a) OFDMA

b) SC-FDMA

c) Clustered SC-FDMA

d) MIMO

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Q. 91 , What is the maximum number of MIMO streams allowed in downlink and uplink directions respectively in LTE-Advanced?

a) 8X8 in both directions

b) 4X4 in both directions

c) 8X8 in downlink and 4X4 in uplink

d) 4X4 in downlink and 8X8 in uplink

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Q. 92 , What is the purpose of Relay nodes introduced in Release 10?

a) To decrease coverage loop holes

b) To increase interference in HetNets

c) To reduce bandwidth in the uplink

d) None of the above

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Q. 93 , Which feature is introduced in Release 10 to mitigate interference issues in HetNets?

a) ICIC

b) eICIC

c) SON

d) CoMP

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Q. 94 , What is the purpose of Almost Blank Subframes (ABS) in LTE-Advanced?

a) To reduce interference on traffic and control channels

b) To increase interference in HetNets

c) To reduce bandwidth in the uplink

d) None of the above

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Q. 95 , What is Carrier Aggregation (CA) in LTE-Advanced?

a) A way for operators to utilize their fragmented spectrum spread across different or same bands

b) A way to decrease interference in HetNets

c) A way to reduce bandwidth in the uplink

d) None of the above

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Q. 96 , What is the maximum combined channel bandwidth supported by Carrier Aggregation in Release 10?

a) 50 MHz

b) 100 MHz

c) 200 MHz

d) 500 MHz

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Q. 97 , Can individual Component Carriers be used by release 8 and release 9 devices in LTE-Advanced?

a) Yes, they are backwards compatible

b) No, they are not compatible

c) It depends on the frequency band

d) None of the above

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Q. 98 , What is the term used for the combination of large macro cells with small cells in LTE-Advanced?

a) Heterogeneous Networks (HetNets)

b) Multi-Point Transmission (MPT)

c) Almost Blank Subframes (ABS)

d) None of the above

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Q. 99 , What is the basis for all of the access schemes used in 4G radio technology evolution?

a) OFDMA

b) SC-FDMA

c) CDMA

d) TDMA

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Q. 100 , Which multiple-access technology is used for the downlink in LTE?

a) OFDMA

b) CDMA

c) TDMA

d) SC-FDMA

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Q. 101 , Which multiple-access technology is used for the uplink in LTE?

a) OFDMA

b) CDMA

c) TDMA

d) SC-FDMA

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Q. 102 , What is the purpose of Relay Nodes in 4G networks?

a) To decrease coverage loop holes

b) To increase interference issues

c) To decrease network speed

d) To increase network complexity

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Q. 103 , What is Carrier Aggregation in 4G networks?

a) Combining multiple RF carriers to increase channel bandwidth

b) Separating multiple RF carriers to decrease channel bandwidth

c) Combining multiple RF carriers to decrease channel bandwidth

d) Separating multiple RF carriers to increase channel bandwidth

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Q. 104 , What are the major enhancements to carrier aggregation in LTE Advanced release 11?

a) Multiple timing advances for downlink carrier aggregation

b) Contiguous intra band carrier aggregation

c) Physical layer changes for carrier aggregation support in FDD LTE

d) Multiple timing advances for uplink carrier aggregation

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Q. 105 , What is Coordinated Multipoint Transmission and Reception (CoMP)?

a) A technology that enables multiple devices to share a single carrier

b) A technology that allows the transmitter to share data load even if they are not collocated

c) A technology that enables the network to locate a device using sounding reference signals

d) A technology that increases the control channel capacity in LTE Advanced

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Q. 106 , What is ePDCCH in LTE Advanced release 11?

a) A new physical layer technology for carrier aggregation

b) A new access network in the 5G system architecture

c) A new control channel in release 11 to increase control channel capacity

d) A new device for network-based positioning

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Q. 107 , What is network-based positioning in LTE Advanced release 11?

a) A technology that enables the network to locate a device using sounding reference signals

b) A technology that allows multiple devices to share a single carrier

c) A technology that enables the transmitter to share data load even if they are not collocated

d) A technology that increases the control channel capacity in LTE Advanced

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Q. 108 , What is the 5G System (SGS)?

a) It includes the 5G Core Network (CN), the 5G Access Network (AN), and the User Equipment (UE)

b) It is a new access network in the 5G system architecture

c) It is a new physical layer technology for carrier aggregation

d) It is a new control channel in LTE Advanced release 11

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Q. 109 , What does the 5G Core Network provide connectivity to?

a) The internet and to application servers

b) The User Equipment (UE) and the Access Network (AN)

c) The 5G Base Stations and the 4G Mobile Core

d) The 4G Radio Access Network (RAN) and the non-3GPP Access Network

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Q. 110 , What are the three deployment options for 5G?

a) Non-Standalone (4G+5G RAN) over 4G’s EPC, Standalone 4G, and Standalone 5G

b) Non-Standalone (4G+5G RAN) over 5G’s NG-Core, Standalone 4G, and Standalone 5G

c) Standalone 4G, Standalone 5G, and Non-Standalone (5G RAN) over 5G’s NG-Core

d) Non-Standalone (5G RAN) over 4G’s EPC, Standalone 4G, and Standalone 5G

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