Wireless Mobile Technology interview questions and answers

What is wireless technology? Definition and examples

Wireless mobile technology refers to technology that allows us to communicate without using cables or wires.

 At the time it meant “communication via radio waves rather than with cables or wires.”

The term may also refer to devices that draw power without using cables. In other words, a smartphone that we can recharge without wires has wireless technology.

Wireless Mobile Technology—-

Which organization is responsible for developing LTE standards?
Select the right answer from the below options
(1)UMTS
(2)3GPP
(3)3GPP2
(4)ISO

Answer:-(2)3GPP
Note:- 3rd Generation Partnership Project (3GPP) is a collaboration between groups of telecommunications standards association.

In LTE, what is the benefit of PAPR reduction in the uplink?
Select the right answer from the below options
(1)Improved uplink coverage
(2)Lower UE power consumption
(3)Reduced equalizer complexity
(4)Improved uplink coverage, lower UE power consumption and reduced equalizer

Answer:-(4)Improved uplink coverage, lower UE power consumption and reduced equalizer

What does SGSN stands for?
Select the right answer from the below options
(1)Serving GPRS Support Node
(2)Supporting GGSN Support Node
(3)Supporting GPRS Support Node
(4)Supporting Gateway Support Node

Answer:-(1)Serving GPRS Support Node

Common data rates of IEEE 802.11 OFDM are __
Select the right answer from the below options
(1)18 Mbps
(2)200 Mbps
(3)50 Mbps
(4)54 Mbps

Answer:-(1)18 Mbps

ETACS use _ instead of SID (system identification number).
Select the right answer from the below options
(1)Area identification number
(2)Analog identification number
(3)Digital identification number
(4)Dual identification number

Answer:-(1)Area identification number

Which of the following data channels of USDC carries the user information?
Select the right answer from the below options
(1)DTC
(2)CVDCC
(3)SACCH
(4)FACCH

Answer:-(1)DTC

Group of superframes in GSM is called multiframe.
Select the right answer from the below options
(1)True
(2)False

Answer:-(2)False

—– done over here——

Transmission Control Protocol Internet Networking Protocol have _
Select the right answer from the below options
(1)Four Layers
(2)Five Layers
(3)Six Layers
(4)Seven Layers

Answer:-(1)Four Layers

Femtocell Network has the capability to help Macro cell Network achieve seamless coverage.
Select the right answer from the below options
(1)True
(2)False

Answer:-(1)True

_ detects the satellite signal relayed from the feed and converts it to an electric current, amplifies and lowers its frequency.
Select the right answer from the below options
(1)Horn antenna
(2)LNA
(3)Satellite receiver
(4)Satellite dish

Answer:-(2)LNA

Which UE category supports 64 QAM on the uplink?
Select the right answer from the below options
(1)Only category 5
(2)Only category 4
(3)Only category 3
(4)Category 3,4 and 5

Answer:-(1)Only category 5

Which channel indicates the number of symbols used by the PDCCH?
Select the right answer from the below options
(1)PHICH
(2)PDCCH
(3)PBCH
(4)PCFICH

Answer:-(4)PCFICH

Which of the following is not a part of the characteristic of 4G network?
Select the right answer from the below options
(1)Multirate management
(2)Fully converged services
(3)Software dependency
(4)Diverse user devices

Answer:-(1)Multirate management

In OFDMA, what is the relationship between the subcarrier spacing f and symbol time t?
Select the right answer from the below options
(1)f=t
(2)f=1/2t
(3)f=1/t
(4)no relation

Answer:-(3)f=1/t

_ is a technique of transmit diversity used in UMTSS third generation cellular systems.
Select the right answer from the below options
(1)STTD
(2)SM
(3)Collaborative Uplink MIMO
(4)MU-MIMO

Answer:-(1)STTD

_ is an additional open-loop MIMO technique considered by the WiMAX vendors.
Select the right answer from the below options
(1)STTD
(2)SM
(3)Collaborative Uplink MIMO
(4)MU-MIMO

Answer:-(3)Collaborative Uplink MIMO

_ allows subscribers to monitor neighbouring base stations.
Select the right answer from the below options
(1)TDMA
(2)MAHO
(3)FDMA
(4)ACA

Answer:-(2)MAHO
—- Done —–

——- SubCategory-Keycloak-Interview-Questions ——

Which of the following are consequences of poor identity management?
Select the right answer from the below options
(1)Financial losses
(2)Data theft
(3)All the options
(4)Damage to Reputation
(5)Reduced Productivity

Answer:-(3)All the options

Keycloak can only be used to authenticate applications and not individual users
Select the right answer from the below options
(1)True
(2)False

Answer:-(2)False

Which of the following standard protocols does Keycloak Support?
Select the right answer from the below options
(1)Oauth 2.0
(2)SAML
(3)OpenID Connect
(4)None of the options
(5)All the options

Answer:-(5)All the options

Identity Management and Identity Access Management are two different disciplines.
Select the right answer from the below options
(1)False
(2)True

Answer:-(1)False

The feature of logging into social networks can be facilitated using Keycloak
Select the right answer from the below options
(1)True
(2)False

Answer:-(1)True

Keycloak is an Identity Provider (IDP)
Select the right answer from the below options
(1)True
(2)False

Answer:-(1)True

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