QUESTION 1

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

b) What are the two major types of fiber used in Ethernet network, and explain their uses

c) What is the importance of the Ethernet Cross-Over cabling?

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

QUESTION 2

a) Define any three unique processes as part of transparent bridging

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

c) Briefly describe how the Spanning Tree Protocol (STP) works

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

e) To prevent frames from being dropped, name the two common types of memory management which are used with Catalyst switches

QUESTION 3

a) The Supervisor module contains the "brains" of the switch. The Cisco® Catalyst 5000 introduced a Supervisor I containing a number of subcomponents. Name any four of them

b) Explain how Trunking can be a solution in VLANs. Describe how it works

c) Describe the process and benefits of Autonegotiation

d) Give any three cautions to private VLAN implementation

e) Name the three main components to Multilayer Switching (MLS)

QUESTION 4

a) Describe Quality of Service (QoS) and explain the motivation behind QoS

b) Referring to the diagram below, configure Routers 1, 2, and 4 with Internet Protocol (IP) addresses, and ping between them to test connectivity. Write down complete commands and the output for each problem clearly

1) On Router 1, assign it a host name of Router1

2) Enter interface configuration mode for the Ethernet 0 interface

3) Type the command that will set the IP address on the Ethernet 0 interface, and enable the interface

4) Set the IP address on the serial 0 interface of Router1, and enable the interface

5) On Router 2, assign it a host name of Router2

6) Set the IP address for the Ethernet 0 interface, and enable the interface

7) On Router 4, assign it a host name of Router4

8) From Router1, try to ping Router2's Ethernet interface