Part I Short Answer Questions

Give 4 key factors contributing to the higher security risk of wireless networks compared towired networks. Explain each factor.2.How can a wireless access point be protected?3.Mobile devices need additional, specialised protection measures, there are seven majorsecurity concerns for mobile devices. Explain each of the concerns below:a.Lack of physical security controlsb.Use of untrusted mobile devicesc.Use of untrusted networksd.Use of applications created by unknown partiese.Interaction with other systemsf.Use of untrusted contentg.Use of location services4.Explain the following:a.Wi-Fi Protected Access (WPA)b.Wired Equivalent Privacy (WEP)c.Robust Security Network (RSN)5.Explain Extended Service Set (ESS)6.What are the three transition types based on mobility? Explain.7.Explain the following services:a.Associationb.Reassociationc.Disassociation8.What is Robust Security Network (RSN)? Briefly explain three services provided by RSN?9.What are the five phases of a Robust Security Network (RSN)? Explain.10.For wireless LAN security, what a nonce is used for? Explain how you create a nonce.11.Briefly explain why do we need IPSec for securing our data transmission? Explain thebenefits of using IPSec.12.The scope of IPSec is mentioned in the latest document of IPSec roadmap. Briefly explainthe architecture, authentication header (AH), encapsulating security payload (ESP),Internet Key Exchange (IKE), and cryptographic algorithms that construct the wholeoperation of IPSec.