MCQOPTIONS
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MCQOPTIONS
This section includes 71 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 Closed Loop power control frequency to adjust power levels in the AT or AN in the Reverse Link of an EVDO network? |
| A. | 512 ms |
| B. | 1.25 ms |
| C. | 5 ms |
| D. | None |
| Answer» C. 5 ms | |
| 2. |
Choose a correct statement about Multi-packet transmissions using Hybrid ARQ technique in an EVDO network? |
| A. | The data can be sent in any parts using multiple time slots at the same time or different time |
| B. | Sending an early acknowledgement even before receiving all packets simply cancels sending the remaining packets by the AN (Access Node or BTS) |
| C. | If there is no Acknowledgement about packets by the mobile (AT), all packets are sent and resent again and again withing permissible times. |
| D. | All the above |
| Answer» E. | |
| 3. |
What is the type of ARQ (Automatic Repeat Request) followed by a CDMA2000 1xEVDO network? |
| A. | Hybrid ARQ |
| B. | Redundancy ARQ |
| C. | Incremental Redundancy Hybrid ARQ |
| D. | None |
| Answer» D. None | |
| 4. |
If a DRC number is more then the channel quality to receive high data rate is ___. |
| A. | Less |
| B. | More |
| C. | - |
| D. | - |
| Answer» C. - | |
| 5. |
The Forward Link Scheduling algorithm is also called ___ as it guarantees minimum service to all users. |
| A. | Hybrid Algorithm |
| B. | Kries Algorithm |
| C. | Proportional Fair algorithm |
| D. | None |
| Answer» D. None | |
| 6. |
A DRC-0 or Null Rate indicates? |
| A. | Mobile (AT) can not take any data. |
| B. | AT is handing off to another sector |
| C. | A and B |
| D. | None |
| Answer» D. None | |
| 7. |
What does the number sent by a mobile device (AT) to the AN (BTS) indicate? |
| A. | Error rate |
| B. | Data Rate |
| C. | Modulation rate |
| D. | None |
| Answer» C. Modulation rate | |
| 8. |
What is the range of a DRC (Digital Rate Control) channel? |
| A. | 9-12 |
| B. | 13-24 |
| C. | 1-12 |
| D. | None |
| Answer» D. None | |
| 9. |
Which channel tells the mobile (AT) about data being scheduled? |
| A. | Control channel |
| B. | Media Access Channel (MAC) |
| C. | PICH |
| D. | None |
| Answer» C. PICH | |
| 10. |
What is the length of each Time Slot or Channel in a CDMA2000 1xEV-DO network architecture? |
| A. | 1.667 ms |
| B. | 4.166 ms |
| C. | 8.235 ms |
| D. | None |
| Answer» B. 4.166 ms | |
| 11. |
Who gave the TIA-856 name to the 1xEV-DO standard? |
| A. | ANSI |
| B. | ITU |
| C. | 3GPP |
| D. | None |
| Answer» C. 3GPP | |
| 12. |
Choose a correct statement about a 1xEVDO network. |
| A. | Only Rate control is present in the forward link |
| B. | Rate control is present in the Reverse link |
| C. | Power control is present in the Reverse link |
| D. | All |
| Answer» E. | |
| 13. |
What are the Handoffs implemented in a CDMA2000 1x-EV-DO network? |
| A. | Forward Virtual Soft Handoff |
| B. | Reverse Soft Handoff |
| C. | A and B |
| D. | None |
| Answer» D. None | |
| 14. |
Choose a correct statement about a 1xEV-DO network? |
| A. | It uses 48 Order FIR Filter |
| B. | It uses Turbo Code |
| C. | Both A and B |
| D. | None |
| Answer» D. None | |
| 15. |
Choose a correct statement about CDMA2000 1x network. |
| A. | It uses Convolution Code |
| B. | It uses Turbo Code |
| C. | It uses 48 Order FIR filter. |
| D. | All |
| Answer» E. | |
| 16. |
What are the handoffs implemented in a CDMA2000 1x network? |
| A. | Soft Forward and Soft Reverse handoffs |
| B. | Hard Forward and Hard Reverse Handoffs |
| C. | Both A and B |
| D. | None |
| Answer» D. None | |
| 17. |
What are the channels used in a CDMA 1xEVDO network? |
| A. | Access channels similar to CDMA2000 1x systems |
| B. | Similar to Enhanced Access channels of CDMA2000 1x |
| C. | DeAccess channels |
| D. | None |
| Answer» B. Similar to Enhanced Access channels of CDMA2000 1x | |
| 18. |
State TRUE or FALSE. A CDMA2000 1x network follows the same CDM technique in both Forward and Reverse links. |
| A. | FALSE |
| B. | TRUE |
| C. | - |
| D. | - |
| Answer» C. - | |
| 19. |
State TRUE of FALSE. A CDMA2000 1x network follows Fast Power control in both Forward and Reverse links. |
| A. | FALSE |
| B. | TRUE |
| C. | - |
| D. | - |
| Answer» C. - | |
| 20. |
State TRUE or FALSE. A CDMA2000 1x network has no Rate control. |
| A. | FALSE |
| B. | TRUE |
| C. | - |
| D. | - |
| Answer» C. - | |
| 21. |
What is the channel used to send UATI request by the AT to AN for rate adaption? |
| A. | Access channel |
| B. | Dedicated channel |
| C. | Power control channel |
| D. | None |
| Answer» B. Dedicated channel | |
| 22. |
The technology that allows an AT in a 1xEV-DO network to choose a data rate from 38.4 Kbps to 3.1 Mbps using a UATI request is called? |
| A. | Dynamic Modulation Coding |
| B. | Adaptive Modulation Coding |
| C. | Bipolar Modulation Coding |
| D. | None |
| Answer» C. Bipolar Modulation Coding | |
| 23. |
A Virtual Soft Handoff in a 1xEVDO system works in ___ way. |
| A. | Forward |
| B. | Reverse |
| C. | Both Forward and Reverse |
| D. | None |
| Answer» B. Reverse | |
| 24. |
What is the name of Soft Handoff in which the Mobile Station (AT - Access Terminal) does not exchange any signalling with AT to move from one Sector to the other Sector for good data rate? |
| A. | Very Soft Handoff |
| B. | Virtual Soft Handoff |
| C. | Adaptive Soft Handoff |
| D. | None |
| Answer» C. Adaptive Soft Handoff | |
| 25. |
After measuring C/I (Carrier to Interference Ratio), AT (Mobile) informs to AN (BTS) about the acceptable highest data rate through ___ channel. |
| A. | DCCH |
| B. | PICH |
| C. | DRC |
| D. | BCCH |
| Answer» D. BCCH | |
| 26. |
The process of Scheduling forward link data to all users aiming to achieve maximum throughput is called? |
| A. | Equalisation |
| B. | Forward Link Scheduling |
| C. | Forward Pooling Strategy |
| D. | None |
| Answer» C. Forward Pooling Strategy | |
| 27. |
In a 1xEV-DO network, Reverse Links are implemented with ___ multiplexing. |
| A. | Time Division |
| B. | Code Division |
| C. | Time Division and Code Division |
| D. | None |
| Answer» C. Time Division and Code Division | |
| 28. |
EVDO implements Time Division Multiplexing for its ___ Links. |
| A. | Forward Link |
| B. | Reverse Link |
| C. | Both Forward and Reverse Links |
| D. | None |
| Answer» B. Reverse Link | |
| 29. |
What is the Multiplexing technique followed by an 1xEV-DO network? |
| A. | FDM (Frequency Division Multiplexing) |
| B. | PDM (Phase Division Multiplexing) |
| C. | TDM (Time Division Multiplexing) |
| D. | None |
| Answer» D. None | |
| 30. |
What are the possible data rates available in a CDMA2000 1xEV-DO network? |
| A. | 38.4, 153.6 and 307.2 Kbps |
| B. | 76.8, 614.4 and 921.5 Kbps |
| C. | 1228.8, 1843.2 and 2457.6 Kbps |
| D. | All |
| Answer» E. | |
| 31. |
How many different data rates which are multiples of 38.4 kbps are available in an EVDO network? |
| A. | 5 |
| B. | 9 |
| C. | 14 |
| D. | 21 |
| Answer» C. 14 | |
| 32. |
What are the techniques or mechanisms followed to avoid too many users transmitting at a high data rate towards the AN (Access Node or BTS) and crashing the system? |
| A. | Unicast Reverse Rate Limit (URRL) |
| B. | Broadcast Reverse Rate Limit (BRRL) |
| C. | By Restricting the maximum rate of AT(Mobiles)s to a level below 307.2 Kbps. |
| D. | All the above |
| Answer» E. | |
| 33. |
What is the advantage of Reverse Link Power Control (Dynamic power control) in an EVDO network? |
| A. | It increases Signal to Noise Ration (SNR) |
| B. | All Mobiles transmit controlled power towards the AN. |
| C. | System capacity is increased |
| D. | All the above |
| Answer» E. | |
| 34. |
CDMA2000 1xEV-DO follows ___ power control for Reverse channels. |
| A. | Fixed |
| B. | Dynamic |
| C. | No power control |
| D. | - |
| Answer» C. No power control | |
| 35. |
What is the maximum data rate of an EV-DO Reverse Channel? |
| A. | 512 Kbps |
| B. | 1.2 Mbps |
| C. | 1.8 Mbps |
| D. | 2 Mbps |
| Answer» D. 2 Mbps | |
| 36. |
State TRUE or FALSE. CDMA2000 1x and CDMA2000 1xEV-DO have different channel structure. |
| A. | FALSE |
| B. | TRUE |
| C. | - |
| D. | - |
| Answer» C. - | |
| 37. |
What is the maximum data rate of a Forward Channel? |
| A. | 1.2 Mbps |
| B. | 2.4 Mbps |
| C. | 3.1 Mbps |
| D. | 3.6 Mbps |
| Answer» D. 3.6 Mbps | |
| 38. |
Selecting a data rate for a Forward Channel or Reverse Channel is based on the ___ Ratio. |
| A. | A/B |
| B. | VSWR |
| C. | C/I |
| D. | None |
| Answer» D. None | |
| 39. |
In an EVDO network, all users of the same Sector share ___ in a TDMA mode. |
| A. | Channel |
| B. | Frequency |
| C. | Code |
| D. | None |
| Answer» B. Frequency | |
| 40. |
In an EVDO network, which selects a possible highest data rate between AT and AN? |
| A. | AT (Mobile) |
| B. | AN (BTS) |
| C. | BSC |
| D. | MSC |
| Answer» B. AN (BTS) | |
| 41. |
Forward channels in a CDMA2000 1xEV-DO transmit data at ___ rate. |
| A. | Half rate |
| B. | Full rate |
| C. | Variable-rate |
| D. | None |
| Answer» D. None | |
| 42. |
In a CDMA2000 1xEV-DO network, Forward channels always transmit at ____ power. |
| A. | Half power |
| B. | Variable Power |
| C. | Full Power |
| D. | None |
| Answer» D. None | |
| 43. |
What is the basic data rate (Minimum data rate) in an EV-DO network? |
| A. | 32 Kbps |
| B. | 38.4 Kbps |
| C. | 56 Kbps |
| D. | 64 Kbps |
| Answer» C. 56 Kbps | |
| 44. |
A Reverse Channel works from ___ to ___. |
| A. | AN to AT |
| B. | AT to AN |
| C. | BTS to MSC |
| D. | None |
| Answer» C. BTS to MSC | |
| 45. |
A Forward Channel works from ___ to ___. |
| A. | AT to AN |
| B. | AN to AT |
| C. | BTS to MSC |
| D. | None |
| Answer» C. BTS to MSC | |
| 46. |
What do AN and AT stand for? |
| A. | AN = Access Network, AT = Access Terminal |
| B. | AN = Asynchronous Node, AT = Asynchronous Terminal |
| C. | AN = Access Node, AT = Access Terminal |
| D. | None |
| Answer» D. None | |
| 47. |
High Rate Packet Data Access (HRPDA) of a EV-DO Rev-A provided good data rates due to _____ techniques. |
| A. | Spread Carrier |
| B. | Mobility Management |
| C. | Both SC (Spread Carrier) and MM (Mobility Management) |
| D. | None |
| Answer» D. None | |
| 48. |
The UMB (Ultra Mobile Broadband) used ____ technology similar to LTE networks. |
| A. | Single Carrier |
| B. | OFDMA |
| C. | TDMA |
| D. | Multiple Carrier |
| Answer» C. TDMA | |
| 49. |
What is the other name given to EV-DV in the year 2006? |
| A. | LTE (Long Term Evolution) |
| B. | UMB (Ultra Mobile Broadband) |
| C. | UMB Advanced |
| D. | LTE Advanced |
| Answer» C. UMB Advanced | |
| 50. |
EV-DV stands for ___. |
| A. | Evolution-Data Variable |
| B. | Evolution-Data Versatile |
| C. | Evolution Data and Voice |
| D. | Enhanced Data and Voice |
| Answer» D. Enhanced Data and Voice | |