WIRELESS NETWORKS AND MOBILE IP
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Tunnel
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Encapsuling
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Gateway
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Transport
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Detailed explanation-1: -The tunnel mode is used whenever either end of a security association is a gateway. Thus, between two firewalls the tunnel mode is always used. For example two security gateways may operate an ESP tunnel which is used to secure all traffic between the networks they connect together.
Detailed explanation-2: -In SSL, what is used for authenticating a message? Explanation: For authenticating in SSL, a short message known as MAC (Message Authentication Code) is used for authenticating a message; where both the sender & the receiver need to implement the same key in order to start communicating.
Detailed explanation-3: -The primary goal of the SSL protocol is to provide a private channel between communicating applications that ensures privacy of data, authentication of the partners, and integrity. SSL is a protocol layer implemented on top of the standard TCP/IP socket API, which has security implemented within it.