IT Security. 6 pages onÿFirewalls and network security issuesi) network routing, sniffers, etc.ii) DNS vulnerabilities, IP-spoofing, …iii) what firewalls can and cannot dotopic sentence and supporting details examples is very very very important6 pages onÿElectronic commercei) business modelsii) digital cash and digital payment schemesGive example and statisticstopic sentence and supporting details examples is very very very importanti am asking for a good quality not repeating definitions…Thank you…