1. One task of the ____ layer in a lan is to handle error detection using a crc.

2. In a ring network, each workstation acts as a(n) ____ for the transmission.

3. A protocol analyzer is also known as ____.

4. ________ is a method for addressing, creating, updating, or querying relational databases.

5. Select correct type of line configuration:

6. Half duplex means data transferred and received but not at the same time:

7. Star topology does not allow direct traffic between devices:

8. Which network has connectivity range up to 10 meters?

9. OSI model means:

10. Data communications system depends on four fundamental characteristics.

11. Select the wrong data communication system component:

12. For data communications to occur, the communicating devices must be part of a communication system made up of a combination of?

13. Time required for a message to travel from one device to another:

14. 00 represented by which pixel:

15. A data communications system has how many components:

16. Correct method for full duplex mode of communication:

17. What is Unicode?

18. We often need more throughput and less delay:

19. If one link fails, only that link is affected. All other links remain active. Which topology does this?