A network technician is configuring user access to a VPN concentrator and has been advised to use a protocol that supports encryption over UDP. Which of the following protocols has the technician MOST likely configured for client use?
A. TFTP
B. DTLS
C. DNS
D. SNMP
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The DTLS protocol is based on the TLS protocol (Transport Layer Security) and provides the same security guarantees. Furthermore, the datagram semantics of the underlying protocols are preserved when using DTLS. TLS cannot go directly on top of UDP.