SSCP Question #1210: Real Exam Question with Answer & Explanation

Question

Of the protocols list, which one is connection oriented?

Options

• AIP
• BUDP
• CDNS
• DTCP
• EAll protocols listed are connection oriented

Explanation

TCP is the only connection-oriented protocol among the listed options, establishing a reliable communication session before transmitting data.

Common mistakes.

• A. IP (Internet Protocol) is a connectionless protocol, primarily responsible for addressing and routing packets without guaranteeing delivery or order.
• B. UDP (User Datagram Protocol) is a connectionless protocol that offers a faster but unreliable service without establishing a connection or guaranteeing delivery.
• C. DNS (Domain Name System) primarily uses UDP for most queries but can use TCP for zone transfers; however, it is not inherently a connection-oriented data transfer protocol itself for typical queries.
• E. This is incorrect as IP and UDP are distinctly connectionless protocols.

Concept tested. Connection-oriented vs. connectionless protocols

Reference. https://learn.microsoft.com/en-us/windows/win32/winsock/tcp-ip-protocols-and-ports

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