QUESTION 1 Which of the following is part of the Bluetooth core protocols O a. Radio O b.Baseband O c. Link manager protocol O d. All of the above QUESTION 2 Which types of sattelites move slowly and is used mainly for navigation O a. LEO Ob. HEO O c. MEO O d.GEO QUESTION 3 Which technology was not used in pre-cellular mobile networks? O a. Push to talk O b. Advanced mobile telephone system Oc. Advanced mobile phone service O d. None of the above QUESTION 4 Which of the following features are offered by GPRS O a. TDMA based multiplexing O b. Global roaming O e Instant messaging O d. All the above QUESTION 5 Which of the following functions is not handled by the EPC? a. Managing user's mobility O b.Allocating radio resources to users c. Network management and maintenance O d. None of the above QUESTION 6 Which layer in the LTE protocol is responsible for error control O a. RRC O b.PDCP O c. RLC O d.PHY d QUESTION 7 In Bluetooth, all devices can choose channels to send and receive data O True O False I QUESTION 8 The logical link control and medium access control layers in IEEE802.11 are equivalent to the data link layer in the OSI reference model True False QUESTION 9 In CDMA, users can send and receive data using all channels at all times True QUESTION 9 In CDMA, users can send and receive data using all channels at all times True False QUESTION 10 I Large-scale fading results from users moving over a large distance True O False QUESTION 11 Inter-symbol interference is highly affected by delay spread O True False QUESTION 12 The interference generated by users transmitting/receiving using the same sets of frequencies within the same cell is called Co- Channel interference True False QUESTION 13 First generation mobile standards provided digital voice services only O True O False QUESTION 14 In LTE, the smallest unit that can be assigned for a user for transmission is called a resource element O True False Activate QUESTION 18 Users located in the center of the cell close from the BS are mostly affected by co-channel interference O True O False QUESTION 19 With a normal cyclic prefix, one slot in an LTE frame has 6 OFDM symbols True O False QUESTION 20 Applications like voice communication need minimum guaranteed bit rate to operate smoothly O True False