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This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Attributes of ISDN have |
| A. | Definition |
| B. | Allowable values |
| C. | Definition & Allowable values |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 2. |
The services provided by ISDN |
| A. | Bearer service |
| B. | Teleservice |
| C. | Secondary service |
| D. | All of the mentioned |
| Answer» E. | |
| 3. |
S-interface is a _______ bus. |
| A. | Two wire bus |
| B. | Four wire bus |
| C. | Single wired bus |
| D. | None of the mentioned |
| Answer» C. Single wired bus | |
| 4. |
Packet switched connection is provided for |
| A. | Voice |
| B. | Data |
| C. | Voice & Data |
| D. | None of the mentioned |
| Answer» C. Voice & Data | |
| 5. |
ATTRIBUTES_OF_ISDN_HAVE?$ |
| A. | Definition |
| B. | Allowable values |
| C. | Definition & Allowable values |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 6. |
THE_SERVICES_PROVIDED_BY_ISDN?$ |
| A. | Bearer service |
| B. | Teleservice |
| C. | Secondary service |
| D. | All of the mentioned |
| Answer» E. | |
| 7. |
S-interface is a _______ bus? |
| A. | Two wire bus |
| B. | Four wire bus |
| C. | Single wired bus |
| D. | None of the mentioned |
| Answer» C. Single wired bus | |
| 8. |
T interface is the serial interface between |
| A. | Computing device and terminal adapter |
| B. | Terminal adapter and exchange unit |
| C. | Exchange unit and network terminating unit |
| D. | Computing device and exchange unit |
| Answer» B. Terminal adapter and exchange unit | |
| 9. |
U-interface is the two wire interface between |
| A. | Computing device and terminal adapter |
| B. | Terminal adapter and exchange unit |
| C. | Exchange unit and network terminating unit |
| D. | Computing device and exchange unit |
| Answer» D. Computing device and exchange unit | |
| 10. |
Channel bonding provides |
| A. | Higher data rate |
| B. | Lower data rate |
| C. | Does not affect data rate |
| D. | None of the mentioned |
| Answer» B. Lower data rate | |
| 11. |
Circuit switched connection is provided for |
| A. | Voice |
| B. | Data |
| C. | Voice & Data |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 12. |
ISDN is a |
| A. | Packet switched network |
| B. | Circuit switched telephone network |
| C. | Packet switched & Circuit switched telephone network |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 13. |
ISDN integrates speech and data on |
| A. | Different lines |
| B. | Same lines |
| C. | Different & Same lines |
| D. | None of the mentioned |
| Answer» C. Different & Same lines | |