Quetsion1. Name the four layers found in the lower OSI layers and give a brief description of each layer.

problem2. What are the two main types of fiber employed in Ethernet network, and describe their uses.

problem3. What is the significance of the Ethernet Cross-Over cabling?

problem4. Cisco® switches monitor various collision counters. Give four types of such collision.

problem5. describe any three unique processes as part of transparent bridging.

problem6. Every Cisco® Catalyst switch is made up of essentially the same four general components. What are they?

problem7. In brief describe how the Spanning Tree Protocol (STP) works.

problem8. Buffers get used when more traffic is forwarded to a port than it can transmit. Give four reasons for this motive.

problem9. To prevent frames from being dropped, name the two frequent kinds of memory management which are employed with Catalyst switches.