Wrap Up Quiz

What was the Multiple Access Scheme used in 1G technology?

• TDMA

• FDMA

• CDMA

• WCDMA

1G was a .......... system

• Digital

• Analog

The Base Station Subsystem is composed of

• MSC

• BSC

• BTS

• ME

Choose what is true about the Visitor Location Register (VLR)

• Temporarily stores the IMSI and customer information for each roaming subscriber

• Decides whether a mobile equipment may be allowed onto the network or not

• Protects the network operators from different types of fraud found in today's cellular world

• might contain duplicated information about subscribers

EDGE (Enhanced Data rates for GSM Evolution) is also referred to as,

• 2G

• 2.5G

• 2.75G

• 3G

3G UMTS Access Network is composed of

• SGSN (Serving GPRS Support Node)

• RNS(Radio Network System)

• RNC(Radio Network Controller)

• NodeB

Packet-switched elements in 3G UMTS architecture are,

• RNS

• SGSN

• GGSN

• MSC

Choose the correct statement(s)

• HLR is responsible of Authenticating the user to the network

• The subscriber data in the HLR can be accessed using either the IMSI or the MSISDN

• EIR decides whether a given mobile equipment may be allowed onto the network

• GGSN acts as the interface to the external data networks

What is the Spread Spectrum technique used in CDMA?

• Time hopping Spread Spectrum

• Direct Sequence Spread Spectrum

• Frequency hopping spread spectrum

The 1st digital cellular system was,

• 1G

• 2G

• 3G

• 4G