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which of the following?

The International Organization for Standardization / Open Systems Interconnection (ISO/OSI) Layer 7 does
NOT include which of the following?

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A.
SMTP (Simple Mail Transfer Protocol)

B.
TCP (Transmission Control Protocol)

C.
SNMP (Simple Network Management Protocol

D.
HTTP (Hypertext Transfer Protocol)

Explanation:
TCP is an OSI layer 4 (transport layer) protocol.
Some examples of the protocols working at OSI layer 7, the application layer, are the Simple Mail Transfer
Protocol (SMTP), Hypertext Transfer Protocol (HTTP), Line Printer Daemon (LPD),File Transfer Protocol
(FTP), Telnet, and Trivial File Transfer Protocol (TFTP).
Incorrect Answers:
A: SMTP is an OSI Layer 7 protocol.
C: SNMP is an OSI Layer 7 protocol.
D: HTTP is an OSI Layer 7 protocol.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 521


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