1. For the following situations, use your technical knowledge of network troubleshooting to resolve them. Make use of the network troubleshooting steps and tools.

A user calls and says that every application works for her except Internet Explorer Web browsing. When she tries to access a Web site, she receives this error: "Page cannot be displayed—cannot find server or DNS error."

Situation 2:

A user calls from a remote site and says that his PC is down. The applications he's using require network access.

2. Construct a fully detailed and labelled Network (fully secured) Diagram and describe the functionality of each of the following devices and technologies (to be included in your diagram.)

 ● Switch 

● Core switch

 ● Router 

● Firewall 

● IPS 

● IDS

 ● DMZ

 ● Honeypot

 ● Proxy Server

 ● ACLs..in routers