MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Wireless & Mobile Communications Questions & Answers Second Generation (2G) Cellular Networks knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The 2G GSM technology uses a carrier separation of _____________ |
| A. | 1.25 MHz |
| B. | 200 KHz |
| C. | 30 KHz |
| D. | 300 KHz |
| Answer» C. 30 KHz | |
| 2. |
Which one of the following 2G standard is used in Japan? |
| A. | IS-136 |
| B. | GSM |
| C. | PDC |
| D. | AMPS |
| Answer» D. AMPS | |
| 3. |
2G CDMA standard, IS-95, was proposed by which company? |
| A. | Nippon Telephone and Telegraph (NTT) |
| B. | Qualcomm |
| C. | Bellcore and Motorola |
| D. | AT&T Bell Laboratories |
| Answer» C. Bellcore and Motorola | |
| 4. |
GSM (Global System for Mobile) was earlier also known as _____________ |
| A. | Group System Mobile |
| B. | Global Special Meaning |
| C. | Group Special Mobile |
| D. | Global Special Mobile |
| Answer» D. Global Special Mobile | |
| 5. |
IS-136 uses which modulation technique? |
| A. | /4 DQPSK |
| B. | BPSK |
| C. | GMSK |
| D. | AFSK |
| Answer» B. BPSK | |
| 6. |
IS-95 uses which modulation technique? |
| A. | GMSK |
| B. | BPSK |
| C. | QAM |
| D. | AFSK |
| Answer» C. QAM | |
| 7. |
How many users are supported in IS-95 for each 1.25 MHz? |
| A. | Eight |
| B. | Sixty four |
| C. | Sixteen |
| D. | Twenty five |
| Answer» C. Sixteen | |
| 8. |
How many voice channels are supported for each 30 KHz radio channel in IS-136? |
| A. | Eight |
| B. | Thirty |
| C. | Three |
| D. | Sixteen |
| Answer» D. Sixteen | |
| 9. |
How many users or voice channels are supported for each 200 KHz channel in GSM? |
| A. | Eight |
| B. | Three |
| C. | Sixty four |
| D. | Twelve |
| Answer» B. Three | |
| 10. |
Popular 2G CDMA standard IS-95 is also known as ______________ |
| A. | CdmaOne |
| B. | CdmaTwo |
| C. | IS-136 |
| D. | IS-95B |
| Answer» B. CdmaTwo | |
| 11. |
Which of the following is a CDMA standard of second generation network? |
| A. | IS-95 |
| B. | IS-136 |
| C. | ETACS |
| D. | EDGE |
| Answer» B. IS-136 | |
| 12. |
Which of the following multiple access techniques are used by second generation cellular systems? |
| A. | FDMA/FDD and TDMA/FDD |
| B. | TDMA/FDD and CDMA/FDD |
| C. | FDMA/FDD and CDMA/FDD |
| D. | FDMA/FDD only |
| Answer» C. FDMA/FDD and CDMA/FDD | |