Preparing Practice Exam…
Please wait a moment while the system generates the exam questions, answers, and study session.
Please wait a moment while the system generates the exam questions, answers, and study session.
Cisco Certified Network Associate (CCNA) · Cisco
Select one answer.
Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.
HTTPS (port 443, TCP): HTTPS combines HTTP with a security protocol (Secure Sockets Layer [SSL]/Transport Layer Security[TLS]). DNS (port 53, TCP, and UDP): DNS is used to resolve Internet names to IP addresses.
Trick question, nothing uses SSL anymore. From the OCG page 325 SSL has been deprecated (see RFC 7568) and has been replaced by TLS. also from the same page TLS has many uses today, but most commonly, TLS provides the security features of HTTP Secure (HTTPS). So the answer is technically B.