NETWORK SECURITY
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The ____, known as “Layer 2, “ contains the broad start and stop signaling used to alert the switches to the beginning and ending of a transmission of data.
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physical layer
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application layer
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transport layer
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network layer
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Explanation:
Detailed explanation-1: -VPN technology was first used in 1996 when a Microsoft employee developed the PPTP. The protocol created a more secure private connection between a user device and the internet.
Detailed explanation-2: -Layer 5-This layer’s protocols provide services to applications requiring network communications. Examples: HTTP, POP3, SMTP.
There is 1 question to complete.