LTE (Long Term Evolution)

1. LTE stands for

		a)	Lightweight Terminal Emulation
		b)	Long Term Evolution
		c)	Light Transmission Evolution
		d)	Link To East

Evaluate your answer

2. Regarding mobile communication evolution, what are the main steps?

		a)	Token - CSMA -LTE
		b)	MS - BTS - BSC - MSC
		c)	UE - HLR - VLR - MSC - BSC - RNC - eNodeB - BTS
		d)	NMT - GSM - GPRS - EDGE - UMTS - LTE - LTE-A
		e)	Token - CSMA -LTE

Evaluate your answer

3. Main technology in 1G mobile system is

Evaluate your answer

4. Main technology in 2G mobile system is

Evaluate your answer

5. Main technology in 2.5G mobile system is

Evaluate your answer

6. Main technology in 2.75G mobile system is

Evaluate your answer

7. Main technology in 3G mobile system is

Evaluate your answer

8. Main technology in 4G mobile system is

Evaluate your answer

9. Circuit switching part of mobile system DO NOT provide

		a)	Telephone call
		b)	Message fragmentation into small parts
		c)	Data calls
		d)	Video calls

Evaluate your answer

10. Packet switching part of mobile system DO NOT provide

		a)	Dedicated path reservation
		b)	Message fragmentation into small parts
		c)	Individual packet transmission
		d)	Packet recompilation in destination

Evaluate your answer

11. From which blocks LTE is built?

		a)	EPC
		b)	Internet
		c)	User data storage
		d)	BTS

Evaluate your answer

12. Which functionality covers eNodeB?

		a)	Modulation and de-modulation
		b)	User identification and addressing
		c)	Network to terminal authentication
		d)	User data storage

Evaluate your answer

13. Logical channels

		a)	control flows in the air interface.
		b)	implement the transport channel.
		c)	describe what is transmitted.
		d)	can be uplink or downlink.

Evaluate your answer

14. Transport channels

		a)	control flows in the air interface.
		b)	implement the physical channel.
		c)	describe what is transmitted.
		d)	can be uplink or downlink.

Evaluate your answer

15. Physical channels

		a)	control flows in the air interface.
		b)	implement the transport channel.
		c)	describe what is transmitted.
		d)	can be uplink or downlink.

Evaluate your answer

16. What is true about Voice over LTE

		a)	LTE is based on PS services so voice communication is natively supported.
		b)	Voice communication is in LTE supported only by using IMS services.
		c)	Voice communication in LTE cannot be possible.
		d)	LTE is based on CS services so voice communication is natively supported.

Evaluate your answer

17. Simultaneous voice and LTE means that

		a)	mobile phone works simultaneously in both packet-switched and circuit-switched modes.
		b)	mobile phone works simultaneously in both voice and video modes.
		c)	mobile phone works simultaneously in both camera and recorder modes.
		d)	mobile phone works simultaneously with two or more SIMs.

Evaluate your answer

18. Which mechanism can handle voice call with fall-back to circuit-switched domain?

		a)	CSMA
		b)	IMS
		c)	CSFB
		d)	SVLTE

Evaluate your answer

19. LTE Advanced adds following to LTE

		a)	Multiple user subscription
		b)	Users aggregation to private groups
		c)	Multiple antenna transmission
		d)	Video calls

Evaluate your answer

20. Which of followings about QoS in LTE is true?

		a)	Non-GBR bearer can be used for VoIP.
		b)	Bit rates higher than the GBR may not be allowed for a GBR bearer even if resources are available.
		c)	MBR sets an lower limit on the bit rate.
		d)	GBR bearer can be used for VoIP.

Evaluate your answer