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.
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.
[Reference:, Huawei HCIA-Datacom Study Guide, Chapter "L2TP Tunnel Configuration and Security.", RFC 2661: Layer Two Tunneling Protocol (L2TP)., ]
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