This preview has intentionally blurred parts. Sign up to view the full document

View Full Document

Unformatted Document Excerpt

QUESTION Which layer of the OSI reference model is responsible for ensuring reliable end-to-end delivery of data? A. Application B. Presentation C. Session D. Transport E. Network F. Data-Link Answer: D Explanation: A key function of the transport layer is to provide connection services for the protocols and applications that run at the levels above it. These can be categorized as either connection-oriented services or connectionless services. Some protocol suites, such as TCP/IP, provide both a connection-oriented and a connectionless transport layer protocol,... View Full Document

End of Preview

Sign up now to access the rest of the document