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Which of the following protocols operates at the sessio…

Which of the following protocols operates at the session layer (layer 5)?

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A.
RPC

B.
IGMP

C.
LPD

D.
SPX

Explanation:
Remote procedure call (RPC) works at the session layer of the OSI model.
Incorrect Answers:
B: ICMP works at the network layer of the OSI model.
C: LPD (Line Printer Daemon Protocol) is an application layer protocol.
D: SPX is a transport layer protocol.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 524


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