MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Cognitive Radio knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which type of connection is depicted in the following diagram? |
| A. | Centralised connection |
| B. | Ad hoc connection |
| C. | Fixed infrastructure connection |
| D. | Single hop connection |
| Answer» C. Fixed infrastructure connection | |
| 2. |
The primary user must contain legacy protocols and xG protocols for xG communication. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which among the following does not come under network heterogeneity? |
| A. | xG network access |
| B. | xG ad hoc access |
| C. | Primary network access |
| D. | xG spectrum access |
| Answer» E. | |
| 4. |
What does the term spectrum heterogeneity mean in the context of xG architecture? |
| A. | Licensed band and unlicensed band |
| B. | UHF band and VHF band |
| C. | Radio band and visible light band |
| D. | Radio band and infrared band |
| Answer» B. UHF band and VHF band | |
| 5. |
Which among the following statements is false about spectrum broker? |
| A. | Spectrum broker is also known as scheduling server |
| B. | Spectrum broker is connected to multiple networks |
| C. | Spectrum broker bridges primary network and xG network |
| D. | Spectrum broker is a central network entity |
| Answer» D. Spectrum broker is a central network entity | |
| 6. |
Which among the following connection is established by xG base-station? |
| A. | Single hop for xG users |
| B. | Multi-hop for xG users |
| C. | Single hop for primary users |
| D. | Multi-hop for primary users |
| Answer» B. Multi-hop for xG users | |
| 7. |
What are the types of structures used to develop xG networks? |
| A. | Infrastructure and ad hoc networks |
| B. | Only infrastructure network |
| C. | Only ad hoc networks |
| D. | Centralised and distributed infrastructure network |
| Answer» B. Only infrastructure network | |
| 8. |
Which among the following is not a term used to refer to the xG network? |
| A. | Cognitive radio network |
| B. | Intelligent spectrum access network |
| C. | Dynamic spectrum access network |
| D. | Unlicensed network |
| Answer» C. Dynamic spectrum access network | |
| 9. |
What are the units of the primary network? |
| A. | Primary node and primary base-station |
| B. | Primary user and primary base-station |
| C. | Primary user and secondary user |
| D. | Primary user and primary node |
| Answer» C. Primary user and secondary user | |
| 10. |
Which among the following statement is false about the primary user? |
| A. | Primary users are also known as licensed users |
| B. | Primary users have exclusive right to use a spectrum band |
| C. | Primary users are a part of the primary network |
| D. | Primary users compete with the secondary users to access the spectrum band |
| Answer» E. | |
| 11. |
Which among the following statement is true about the primary network? |
| A. | Primary network handles requests from xG users |
| B. | Primary network uses the spectrum band periodically |
| C. | Primary network has a dedicated spectrum band |
| D. | Primary network competes for access to a spectrum band |
| Answer» D. Primary network competes for access to a spectrum band | |
| 12. |
Which among the following statements is true about the wireless network without xG architecture? |
| A. | Existing wireless networks exhibit homogeneity in the spectrum policies and heterogeneity in the communication technologies |
| B. | Existing wireless networks exhibit heterogeneity in the spectrum policies and homogeneity in the communication technologies |
| C. | Existing wireless networks exhibit homogeneity in the spectrum policies and the communication technologies |
| D. | Existing wireless networks exhibit heterogeneity in the spectrum policies and the communication technologies |
| Answer» E. | |