MWS MCQ GPRS

1.

1 point

What is the maximum theoretical bit rate achieved with GPRS by using CS4 coding scheme and assigning all 8 time slots to one subscriber?

171,2 kbps

85,6 kbps

21,4 Mbps

2.

1 point

Which of those architectural elements were introduced with GPRS?

The Mobility Management Entity (MME)

Serving GPRS Support Node (SGSN)

Base Station Subsystem (BSS)

Gateway GPRS Support Node (GGSN)

3.

1 point

How many time slots are used in a frame carrying GSM and GPRS?

8

256

64

4.

1 point

Why was the Dual Transfer mode in GPRS specified?

To enable multiple parallel signaling paths

To comply with ISO EN 8000 certification

To reduce high implementation effort for class A mobile stations

5.

1 point

Which step is NOT part of the GPRS attach procedure?

The MS sends an Activate PDP Context Request message to the SGSN

The MS sends an Attach Request to the SGSN

The SGSN informs the HLR/GR about the new location of the MS

6.

1 point

What are possible GPRS states?

Receiving

Ready

Sending

Idle

7.

1 point

What digital modulation is used in EDGE?

8 fold Phase Shift Keying (8PSK)

Gaussian Minimum Shift Keying (GMSK)

Binary Frequency Shift Keying (BFSK)

8.

1 point

What is one reason for the use of Home Access in roaming?

High Data Roaming Fees

Limited Bandwidth

Poor Data Rate

9.

1 point

Which routing area updates exist in GRPS?

Intra-SGSN routing area update

Extra-SGSN routing area update

Inter-SGSN routing area update

Intro-GGSN routing area update

10.

1 point

What are possible break out scenarios used in GPRS roaming?

Roaming Breakout

Local Breakout

Remote Breakout

11.

1 point

EDGE is

the competitor of GPRS?

the predecessor of GPRS?

the successor of GPRS?

12.

1 point

What are the tasks of the GPRS attach procedure?

Resource Reservation

Authentication

Location Update

Transmission of Multimedia Messages

13.

1 point

On what does the available bit rate depend in GPRS?

Applied Coding Scheme

Network Support

Redundancy

Number of Bundled Time Slots

14.

1 point

Why has GPRS been introduced?

GSM compatibility issues with the Japanese and US mobile phone networks

To enable multiple parallel signaling paths

The bit rate has been not sufficient for modern data applications which are used in the Internet

15.

1 point

What is NOT a GPRS state?

Standby

Active

Ready

16.

1 point

Which Multiple Access Technology is used for GPRS?

Time Division Multiple Access (TDMA)

Quadrature Phase Shift Keying (QPSK)

Code Division Multiple Access (CDMA)

17.

1 point

What is the main task of the GGSN?

Authentication of the mobile subscriber

Connecting the GPRS core network to an external packet-oriented data network

Storing subscriber data

18.

1 point

What is an advantage of the Local Breakout configuration in GPRS?

The user plane traffic is not routed to the home network

The home operator can be fully aware of the used services

The HPLMN can influence the type and quality of the used service in the VPLMN

19.

1 point

What class of mobile stations can simultaneously transfer data during an ongoing call in a GPRS network?

Class C

Class B

Class A

20.

1 point

What does GPRS stand for?

Group Public Remote Subsystem

Global Packet Routing System

General Packet Radio Service