MCQOPTIONS
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MCQOPTIONS
This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Telecom knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Possible data rates in a Half Rate TCH channel are _____ ? |
| A. | 3.6kbps |
| B. | 6kbps |
| C. | 3.6, 6kbps |
| D. | None |
| Answer» D. None | |
| 2. |
What is the speech rate before coding in a Half Rate TCH channel? |
| A. | 11.4kbps |
| B. | 22.8kbps |
| C. | 5.6kbps |
| D. | 11.2kbps |
| Answer» D. 11.2kbps | |
| 3. |
What is the total bitrate after channel coding in a Half Rate TCH channel? |
| A. | 11.4kbps |
| B. | 22.8kbps |
| C. | 34.2kbps |
| D. | None |
| Answer» B. 22.8kbps | |
| 4. |
What are the data rates of services available in ISDN and other services that can be transmitted in a TCH channel? |
| A. | 2.4kbps |
| B. | 4.8kbps |
| C. | 9.6kbps |
| D. | All |
| Answer» E. | |
| 5. |
What is TRUE about a Full Rate TCH channel? |
| A. | It carries a speech of 13kbps before encoding |
| B. | It carries a total of 22.8kbs information after channel coding |
| C. | Data rates supported are 3.6, 6 and 12 kbps respectively. |
| D. | All |
| Answer» E. | |
| 6. |
What is the other type of information that a TCH channel contain or carry? |
| A. | Signalling to forward a call |
| B. | Short Message Service signalling |
| C. | Both A and B |
| D. | None |
| Answer» D. None | |
| 7. |
Choose a Channel that carries Signalling information? |
| A. | Broadcast Control channel |
| B. | Common control channel |
| C. | Dedicated control channel |
| D. | All |
| Answer» E. | |
| 8. |
The type of information transferred in Traffic Channel (TCH) is ____ ? |
| A. | Voice |
| B. | Data |
| C. | Both Voice and Data |
| D. | Signalling |
| Answer» D. Signalling | |
| 9. |
Majority of the GSM Channels work on ______ interface? |
| A. | Abis interface |
| B. | A interface |
| C. | Um interface |
| D. | M interface |
| Answer» D. M interface | |
| 10. |
BCCH (Broadcast Control Channel) frequency is also called _________? |
| A. | Engine |
| B. | Driver |
| C. | Pilot |
| D. | None |
| Answer» D. None | |
| 11. |
Broadcasting is a concept of transferring information from _______ to _______? |
| A. | One to one |
| B. | Many to one |
| C. | One to many |
| D. | Many to many |
| Answer» D. Many to many | |
| 12. |
What are the types of Logical channels in a GSM Structure or Architecture? |
| A. | Traffic channels |
| B. | Broadcasting channels |
| C. | Common control channels, Dedicated control channels |
| D. | All |
| Answer» E. | |
| 13. |
What is the duration of a GSM TDMA Frame? |
| A. | 4.614ms |
| B. | 5.614ms |
| C. | 6.614ms |
| D. | None |
| Answer» B. 5.614ms | |
| 14. |
What is the name of a single transmission burst that lasts for only 0.577ms in a GSM TDMA frame? |
| A. | Frame |
| B. | Channel (or Physical channel) |
| C. | Link |
| D. | None of the above |
| Answer» C. Link | |
| 15. |
In a GSM-1800 Band, what is the duplex spacing between downlink and uplink channels? |
| A. | 75MHz |
| B. | 85MHz |
| C. | 95MHz |
| D. | None |
| Answer» E. | |
| 16. |
In a GSM-900 Band, what is the duplex spacing between uplink and downlink channels? |
| A. | 25MHz |
| B. | 35MHz |
| C. | 45MHz |
| D. | None |
| Answer» D. None | |
| 17. |
Each Carrier frequency is divided or shared among _______ number of channels. |
| A. | 4 |
| B. | 6 |
| C. | 8 |
| D. | 10 |
| Answer» D. 10 | |
| 18. |
In GSM-1800 band, the total number of Carrier Frequencies are ? |
| A. | 124 |
| B. | 248 |
| C. | 374 |
| D. | 448 |
| Answer» D. 448 | |
| 19. |
What is the spacing between each carrier frequency to avoid interference and crosstalk? |
| A. | 100KHz |
| B. | 200KHz |
| C. | 128KHz |
| D. | 256KHz |
| Answer» C. 128KHz | |
| 20. |
What is the total number of Carrier Frequencies that can be formed in a 25MHz band width of either Uplink or Downlink of GSM? |
| A. | 128 |
| B. | 126 |
| C. | 124 |
| D. | None |
| Answer» D. None | |