1. Which Cisco layer is responsible for breaking up collision domains?

Physical
Access
Core
Network
Distribution
Data Link

2. PDUs at the Network layer of the OSI model are called what?

Core
Frames
Packets
Segments
Access
Distribution
Transport

3. At which Cisco layer would broadcast domains be defined?

Core
Network
Physical
Disribution
Access
Transport

4. PDUs at the Data Link layer are named what?

Frames
Packets
Datagrams
Transport
Segments
Bits

5. Segmentation of a data stream happens at which layer of the OSI model?

Physical
Data Link
Network
Transport
Distribution
Access

6. For which of the following would not need to provide a crossover cable?

Connecting uplinks between switches.
Connecting routers to switches.
Connecting hub to hub.
Connecting hubs to switches.

7. What does the Data Link layer use to find hosts on a local network?

Logical network addresses.
Port numbers
Hardware addresses
Default gateways

8. How is a crossover cabled?

The pins 1-8 are completely opposite on the other side.
It has pins 1-8 cabled the same on the other side.
Pin 1 on one side connects to pin 3 on the other side, and pin 2 connects to pin 6 on the other end.
Pin 2 on one side connects to pin 3 on the other side, and pin1 connects to pin 6 on the other end.

9. Where are routers defined in the OSI model?

Physical
Transport
Data Link
Network

10. At which layer of the OSI model are 1s and 0s converted to a digital signal?

Physical
Transport
Data Link
Network

11. Bridges are defined at what layer of the OSI model?

Physical
Transport
Data Link
Network