MCQOPTIONS
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MCQOPTIONS
This section includes 53 Mcqs, each offering curated multiple-choice questions to sharpen your Telecom knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the interface between an MSC and an ISDN (Integrated Services Digital Network)? |
| A. | Ai |
| B. | Di |
| C. | Pi |
| D. | None |
| Answer» C. Pi | |
| 2. |
What is the interface between an MSC and a PSTN (Public Switched Telephone Network)? |
| A. | Pi |
| B. | Di |
| C. | Ai |
| D. | None |
| Answer» D. None | |
| 3. |
What is the interface between an MSC and a PSPDN (Public Switched Packet Data Network)? |
| A. | Ai |
| B. | Di |
| C. | Pi |
| D. | None |
| Answer» D. None | |
| 4. |
What is the easiest way to avoid congestion in the CDMA2000 (3G CDMA) network? |
| A. | Install new BTS in that area |
| B. | Increase the number of PCM links ( 2 mbps links) between systems of CDMA architecture. |
| C. | Add more links to Packet Data Networks (PDN) and Public Switched Telephone Networks (PSTN) |
| D. | All the above |
| Answer» E. | |
| 5. |
What is the PCM link speed of Non-Air Interfaces of CDMA2000 ( 3G CDMA ) network? |
| A. | 1024 kbps |
| B. | 512 kbps |
| C. | 2048 kbps |
| D. | 4096 kbps |
| Answer» D. 4096 kbps | |
| 6. |
What is the interface between two Short Message Centers (Inter Short Message Centers - SCs)? |
| A. | M |
| B. | N |
| C. | P |
| D. | Q |
| Answer» B. N | |
| 7. |
What is the interface between an HLR and an SC (Short Message Center)? |
| A. | P |
| B. | Q |
| C. | N |
| D. | M |
| Answer» D. M | |
| 8. |
What is the interface between an HLR and an AuC (Authentication Center)? |
| A. | P |
| B. | H |
| C. | Q |
| D. | M |
| Answer» C. Q | |
| 9. |
What is the interface between a VLR and an HLR? |
| A. | E |
| B. | D |
| C. | B |
| D. | Q |
| Answer» C. B | |
| 10. |
What is the interface between an MSC and a VLR (Visitor Location Register)? |
| A. | P |
| B. | Q |
| C. | B |
| D. | D |
| Answer» D. D | |
| 11. |
What is the interface between an MSC and an HLR (Home Location Register)? |
| A. | P |
| B. | Q |
| C. | M |
| D. | C |
| Answer» E. | |
| 12. |
What is the interface between an MSC and an IWF (Interworking Function)? |
| A. | P |
| B. | Q |
| C. | L |
| D. | M |
| Answer» D. M | |
| 13. |
What is the interface between an MSC and an EIR (Equipment Identification Register) in a 3G CDMA (CDMA2000) network? |
| A. | Q |
| B. | M |
| C. | N |
| D. | F |
| Answer» E. | |
| 14. |
In a CDMA network, what is the interface between two Mobile Switching Centers (Inter-MSC)? |
| A. | C |
| B. | D |
| C. | E |
| D. | F |
| Answer» D. F | |
| 15. |
In a CDMA structure, what is the interface between a Base Station Controller (BSC) and a Mobile Switching Center (MSC)? |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 16. |
In a CDMA architecture, what is the interface between an Operation and Maintenance Center (OMC) and an Mobile Switching Center (MSC)? |
| A. | P |
| B. | Q |
| C. | M |
| D. | H |
| Answer» C. M | |
| 17. |
In a CDMA architecture, what is the interface between a Base Station Controller (BSC) and an Operation and Maintenance Center (OMC)? |
| A. | P |
| B. | H |
| C. | Q |
| D. | M |
| Answer» D. M | |
| 18. |
In a CDMA architecture, what is the interface between a Base Transceiver Station (BTS) and a Base Station Controller (BSC)? |
| A. | A |
| B. | Abis |
| C. | Um |
| D. | B |
| Answer» C. Um | |
| 19. |
What is the Interface between a Mobile Station(MS) and a Base Transceiver Station (BTS) in a CDMA structure? |
| A. | Uu |
| B. | Um |
| C. | Ui |
| D. | None |
| Answer» C. Ui | |
| 20. |
An OSI (Open System Interconnection) model defines ___ of a CDMA network. |
| A. | Interfaces |
| B. | Protocols |
| C. | System functions |
| D. | All |
| Answer» E. | |
| 21. |
What are the functions of a Short Messaging Center (SC) in a CDMA architecture? |
| A. | SC sends two types of Messages namely Point to Point and Broadcasting messages. |
| B. | Short Message Center (SC) works like a post office receiving messages, sorting and sending to the correct destination. |
| C. | SC is also a database receiving, storing and sending messages. |
| D. | All |
| Answer» E. | |
| 22. |
What are the functions of an Authentication Center (AuC) in a 3G CDMA (CDMA2000) network architecture? |
| A. | Generates, stores and sends Authentication parameters |
| B. | Example authentication parameters are A-KEY, SSD, ESN, MIN and AAV. |
| C. | AuC sends authentication parameters to the MSC/VLR upon request. |
| D. | All |
| Answer» E. | |
| 23. |
What are the functions of an HLR (Home Location Register) database? |
| A. | HLR stores Subscriber ID, Services |
| B. | HLR stores current location of subscriber even in a roaming situation |
| C. | Stores current MSC/VLR information for a particular user |
| D. | All |
| Answer» E. | |
| 24. |
What are the functions of a VLR (Visitor Location Register) in a CDMA architecture? |
| A. | Stores MS location information |
| B. | Stores MS eligible service information |
| C. | VLR copies all data from HLR database |
| D. | All |
| Answer» E. | |
| 25. |
Which among the following is a Dynamic Database? |
| A. | VLR |
| B. | HLR |
| C. | AuC |
| D. | EIR |
| Answer» B. HLR | |
| 26. |
Which among the following is a Static Database? |
| A. | VLR (Visitor Location Register) |
| B. | HLR (Home Location Register) |
| C. | AuC (Authentication Center) |
| D. | All |
| Answer» C. AuC (Authentication Center) | |
| 27. |
What are the functions of MSC in a CDMA Architecture? |
| A. | Call connection, VLR-HLR enquiry |
| B. | Charging (billing), |
| C. | Mobility, Handoffs (BSC to BSC, MSC to BSC) |
| D. | All |
| Answer» E. | |
| 28. |
What are the functions of a BSC in a CDMA architecture? |
| A. | Radio resource management, Radio network management, BTS monitoring |
| B. | Positioning, Handoff |
| C. | Paging, Voice coding, Rate adjustment |
| D. | All |
| Answer» E. | |
| 29. |
What are the functions of a BTS (Base Transceiver Station)? |
| A. | Transmitting and Receiving signals and data |
| B. | Listening to commands from BSC |
| C. | Allow mobility from BTS to BTS during Handovers |
| D. | All |
| Answer» E. | |
| 30. |
What are the functions of a MS (Mobile Station)? |
| A. | Making a call |
| B. | Receiving a call |
| C. | Send / Receive SMS |
| D. | All |
| Answer» E. | |
| 31. |
The OMC-R is used on _____ side? |
| A. | BSC |
| B. | MSC |
| C. | MS |
| D. | None |
| Answer» B. MSC | |
| 32. |
The OMC-S system is used on _____ side. |
| A. | BSC |
| B. | MSC |
| C. | MS |
| D. | None |
| Answer» C. MS | |
| 33. |
What is the system present in an OMM (Operation Maintenance and Management Subsystem)? |
| A. | OMC (Operation and Maintenance Center) |
| B. | VLR (Visitor Location Register) |
| C. | HLR (Home Location Register) |
| D. | AuC (Authentication Center) |
| Answer» B. VLR (Visitor Location Register) | |
| 34. |
What are the systems present in a MSS? |
| A. | MSC (Mobile Switching Center) |
| B. | VLR, HLR |
| C. | EIR, AuC |
| D. | All the above |
| Answer» E. | |
| 35. |
What are the systems present in a BSS? |
| A. | One or more BTS (Base Transceiver Station) |
| B. | One or More BSC (Base Station Controller) |
| C. | A and B |
| D. | None |
| Answer» D. None | |
| 36. |
What are the 4 parts of a CDMA architecture or structure? |
| A. | Mobile Station (MS), Base Station Subsystem (BSS) |
| B. | Mobile Switching Subsystem (MSS) |
| C. | Operation and Maintenance Subsystem (OMM) |
| D. | All |
| Answer» E. | |
| 37. |
Name the type of Spread Spectrum modulation technique? |
| A. | Frequency Hopping SS |
| B. | Direct Sequence SS |
| C. | Time Hopping SS |
| D. | All |
| Answer» E. | |
| 38. |
Which is the error correction code used in CDMA based networks? |
| A. | Turbo Code |
| B. | Convolution Code |
| C. | Both Convolution Code and Turbo Code |
| D. | None |
| Answer» D. None | |
| 39. |
Which is the 4G version of CDMA2000 technology? |
| A. | LTE |
| B. | UMB |
| C. | EVDV |
| D. | None |
| Answer» C. EVDV | |
| 40. |
CDMA2000 uses ___ Access technology. |
| A. | Code Division |
| B. | Time Division |
| C. | Both Code Division and Time Division |
| D. | None |
| Answer» D. None | |
| 41. |
In a CDMA2000 network, support for EVDO indicates support for ____. |
| A. | Voice |
| B. | Data |
| C. | A and B |
| D. | None |
| Answer» C. A and B | |
| 42. |
What are the new features of CDMA2000 3G network? |
| A. | Fast power control (saves battery and reduces delay) |
| B. | Support for Radio Configurations(RC) from RC1 to RC9 in forward link and RC1 to RC6 in Reverse Link for flexible Rate, Spreading Rate, Channel Coding and Diversity. |
| C. | Support for R-UIM (Removable SIM) |
| D. | All |
| Answer» E. | |
| 43. |
State TRUE or FALSE. An IS-95 compatible Handset works in IS-2000(CDMA2000) network without any problem. |
| A. | False |
| B. | True |
| C. | - |
| D. | - |
| Answer» C. - | |
| 44. |
What are the advancements in the CDMA2000 over CDMAOne technology? |
| A. | More Battery Life |
| B. | Frequency Band Flexibility |
| C. | Higher Capacity for Voice and Data |
| D. | All |
| Answer» E. | |
| 45. |
The voice capacity of a CDMA2000 1xRTT over CDMAOne is ____. |
| A. | The same |
| B. | 2 times more |
| C. | 4 times more |
| D. | None |
| Answer» C. 4 times more | |
| 46. |
What are the Evolution stages or versions of a CDMA2000 3G network? |
| A. | CDMA2000 1xRTT |
| B. | CDMA2000 1x Advanced |
| C. | CDMA2000 1xEV-DO |
| D. | All the above |
| Answer» E. | |
| 47. |
Who developed standards for a CDMA2000 3G network system? |
| A. | ANSI (Americal National Standards Institute) |
| B. | 3GPP (Third Generation Partnership Projects) |
| C. | 3GPP-2 |
| D. | GSM |
| Answer» D. GSM | |
| 48. |
What is another name for a CDMA2000 network? |
| A. | IS-2000 |
| B. | C2K |
| C. | IMT Multi-Carrier (IMT-MC) |
| D. | All the above |
| Answer» E. | |
| 49. |
CDMA2000 uses ___ radio system. |
| A. | Analog |
| B. | Digital |
| C. | Analog and Digital |
| D. | None |
| Answer» C. Analog and Digital | |
| 50. |
A CDMA2000 is a ____ generation network. |
| A. | First Generation |
| B. | Second Generation |
| C. | Third Generation |
| D. | Fourth Generation |
| Answer» D. Fourth Generation | |