1.4 Given a scenario, configure basic mobile-device network connectivity & application support Flashcards
2 common types of 2G & 3G cellular networks?
- GSM
- CDMA
Meaning of GSM?
Global System for Mobile Communication
Meaning of CDMA?
Code Division Multiple Access
Meaning of SIM?
Subscriber Identity Module
How does GSM differ from CDMA?
Allowing users to use SIM cards on unlocked devices with chosen network provider
Where is GSM adopted?
Internationally & by AT&T & T-Mobile in the U.S.
How does CDMA differ from GSM?
Having the provider directly manage devices
There is no removable SIM card
What was CDMA adoption largely restricted to?
Sprint & Verizon
Meaning of PRL?
Preferred Roaming List
Why do CDMA devices use PRL updates?
To get info. the cellular radio needs to connect to the network
How are PRL updates done on CDMA devices?
Via settings or by dialing a special code
i.e. *228
What cellular network types requires a SIM card?
4G & 5G
What devices do not require manual PRL updates?
Devices with SIM cards
2 common indicators used to represent 2G network connections?
- G/E
- 1X
What 2G network does G indicator represent?
GSM
The E indicator means EDGE (Enhanced Data Rates for GSM Evolution)
What 2G network does 1X indicator represent?
CDMA
2 types of cellular network technologies 3G uses?
- UMTS
- EV-DO
They represent different standards for how mobile devices communicate with cellular network infrastrucutre in the 3G era
Meaning of UMTS?
Universal Mobile Telecommunications Service
Meaning of EV-DO?
EVolution-Data Optimized
What 3G cellular network technology do GSM networks use?
UMTS
What 3G cellular network technology do CDMA networks use?
EV-DO
2G data speeds?
Up to 400 Kbps
3G data speeds?
Up to 3Mbps
What does the 3G network indicator H/H+ represent?
HSPA
HSPA is a subset of UMTS, it provides improved data rates
Meaning of HSPA?
High Speed Packet Access
HSPA+ data speeds?
Subset of UMTS (3G cellular network technology)
Up to 42Mbps
Real-world performance is likely to be lower
What is the bandwidth of LTE-A (4G+)?
300Mbps
(In theory) Real-world performance is likely to be lower
Usual throughput of 5G?
Up to 300Mbps
3 things to configure when setting up mobile hotspot?
- Network name
- Security type
- Password