1. |
How many digits of the DNIC (Data Network Identification Code) identify the country? |
|||||||||
|
2. |
A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used? |
|||||||||
|
3. |
The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to |
|||||||||
|
4. |
Frames from one LAN can be transmitted to another LAN via the device |
|||||||
|
5. |
Which of the following condition is used to transmit two packets over a medium at the same time? |
|||||||||
|