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L2TP does not provide security encryption. Therefore, other security measures, such as IPsec, are required to ensure the security of the entire tunnel for data transmission.
Correct Answer: A
Comprehensive and Detailed Step-by-Step Explanation: 1. What is L2TP (Layer 2 Tunneling Protocol)? * L2TP is a tunneling protocol used to transport Layer 2 frames over IP networks. * It is commonly used to establish VPNs but does not provide built-in encryption or security for the transmitted data. 2. Why L2TP Requires Additional Security Measures: * Since L2TP does not encrypt traffic, it is vulnerable to eavesdropping and tampering. * To secure L2TP tunnels, it is often paired with IPsec, which provides strong encryption and authentication. The combination of L2TP and IPsec is known as L2TP/IPsec. 3. Why the Statement is TRUE: * The statement accurately describes the limitation of L2TP (lack of encryption) and the need for additional security measures like IPsec.