Computer Networks Answers

Add 110001 and 110111. Show the process using full adder circuit.

As a network administrator of RICHFIELD GRADUATE INSTITUTE OF TECHNOLOGY you have been asked to conduct a workshop on the service provided by the internet which the academic staff must use to improve teaching and learning activities

Differentiate between a software and hardware

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."

Design a high level network model showing connectivity structure starting from backbone ISPs and their router and down to local ISP and to local network including end systems, on each route mention suitable protocol to use and implement Autonomous Systems (AS) and define subnets for end users

Propose suitable intrusion detection methods for securing the information security system of the organization with justification. (20 Mark)
f). Do research and create new network architecture using firewall and IDS (15 Mark)

Situation 2:
A user calls from a remote site and says that his PC is down. The applications he's using require network access.

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." (

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