Wireless WAN

Question 1

Which body developed the GSM standard?

Answer 1

ETSI (European Telecommunications Standards Institute

Question 2

GSM was created to replace what?

Answer 2

1G analogue cellular networks

Question 3

GSM uses what 3 data communication standards

Answer 3

1) GPRS
2) EDGE
3) EGPRS

Question 4

CDMA is an alternative 2G multiple access method to GSM which uses codes instead of time to divide the channels up. TRUE or FALSE

Answer 4

TRUE!

Question 5

What are the two variant technologies that 4G uses?

Answer 5

LTE and wiMAX

Question 6

Evolved High Speed Packet Access is a 4G technology. TRUE or FALSE

Answer 6

TRUE but it’s considered a 3.5G technology so watch out.

Question 7

Which IEEE standard is WiMAX based on?

Answer 7

802.16

Question 8

List 4 disadvantages of WiMAX over LTE

Answer 8

1) not compatible with 2G and 3G
2) expensive
3) requires lots of power
4) slow (5-6Mbps downlink)

Question 9

LTE can offer what downlink and uplink speeds?

Answer 9

7-12Mbps down and 3-5Mbps up