topology exhibit： 
 

 
You work as a network engineer at . is a large international company with offices on all continents. You work at the Chicago Office. Your boss at ，Miss ，has asked you to install a Catalyst 3500 to provide for another 24 users. Your instructions are as follows： 
* install it in an IDF 
* extremely import to have the proper configuration of the Catalyst before it is placed into the product information 
* it should not participate in VTP 
* it should forward VTP advertisements that are received on trunk ports 
* all nontrunking interfaces， Fa0/1 to Fa0/24） should immediately to the forwarding state of the Spanning tree. 
* configure all Fast Ethernet ports （the user ports） such as they are nontrunking. 
* the fastEthernet interfaces 0/12 through 0/24 should be placed in VLAN 20

Network topology exhibit： 
 

You work as a network administrator at . You study the network topology exhibit carefully. is a small 
company that has an existing enterprise network consisting of two switches named 1 and 2. The network topology schemata indicates their layer 2 mapping. VLAN 40 is a new VLAN that will be used to provide the shipping personnel access to the server. For security reasons， it is necessary to restrict access to VLAN 20 in the following manner： 
Users connecting to 1’s port must be authenticate before they are given access to the network. Authentication is to be done via a Radius server： 
Radius server host： 172.120.39.46 
Radius key： key 
Authentication should be implemented as close to the host device possible. 
Devices on VLAN 20 are restricted to in the address range of 172.120.40.0/24. 
Packets from devices in the address range of 172.120.40.0/24 should be passed on VLAN 20. 
Packets from devices in any other address range should be dropped on VLAN 20. Filtering should be implemented as close to the server farm as possible. 
The Radius server and application servers will be installed at a future date. You have been tasked with implementing the above access control as a pre-condition to installing the servers. You must use the available IOS switch features.

Network topology exhibit：
 

3 configuration exhibit： 
 

You work as a network technician at . is a large international company with offices in the US and in 
Europe. You work at the New York Office. Recently a new switch block with multiple VLANs configured were added to the Barcelona LAN. 
Your boss at， Miss， tells you that the personal at the Barcelona office failed to document the spanning tree topology during installation. She gives you a plane ticket to Barcelona and orders to provide a baseline of configuration information in regard to the switch block spanning tree topology. Two days later you arrive at the Barcelona office. You study the network topology carefully， see exhibit. Then you connect to the   3 switch； issue the show spanning tree command. Please refer to the exhibit for the output. You are then required to answer the scenario questions using the information that is available.

The network is displayed in the diagram below： 
 

 
You have just been hired by to help their main office expand. The main offices have enhanced their wiring closets with some Layer 3 switches. The new distribution layer switch has been installed and a new access layer switch cabled next to it. Your task is to configure the distribution layer and access layer 
switch with VTP to share VLAN information， then to configure inter-VLAN routing on the distribution layer switch to route traffic between the different VLANs that are configured on the access layer switches. 
VTP Domain Distribution 
VLAN Ids 20 31 
IP Addresses 172.16.71.1/24 172.16.132.1/24 
These are your specific tasks： 
1. Configure the VTP information with the distribution layer switch as the VTP server 
2. Configure the VTP information with the access layer switch as a VTP client 
3. Configure VLANs on the distribution layer switch 
4. Configure inter-VLAN routing on the distribution layer switch 
5. Specific VLAN port assignments will be made as users are added to the access layer switches in the future. 
6. All VLANs and VTP configurations are to completed in the global configuration 
To configure the switch click on the host icon that is connected to the switch be way of a serial console cable.

Network topology Exhibit： 

You work as a network engineer for. You are required to set up the network being displayed in the network topology exhibit through the console using IOS commands.