Data Communication and Newtworking Questions and Answers
| 13. |
A device operating at the physical layer is called a |
| |
- A. Bridge
- B. Router
- C. Repeater
- D. All of these
|
| 14. |
Which of the following is the fastest communication channel? |
| |
- A. Micro wave
- B. Optical fiber
- C. Radio wave
- D. None of the above
|
| 15. |
Encryption and decryption are the function of |
| |
- A. Session layer
- B. Presentation layer
- C. Transport layer
- D. None of the above
|
| 16. |
_______ is the most important/powerful computer in a typical network. |
| |
- A. Desktop
- B. Network client
- C. Network server
- D. Network station
|
