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Exam SSCP topic 6 question 28 discussion

Actual exam question from ISC's SSCP
Question #: 28
Topic #: 6
[All SSCP Questions]

Remote Procedure Call (RPC) is a protocol that one program can use to request a service from a program located in another computer in a network. Within which
OSI/ISO layer is RPC implemented?

  • A. Session layer
  • B. Transport layer
  • C. Data link layer
  • D. Network layer
Show Suggested Answer Hide Answer
Suggested Answer: The Answer: Session layer, which establishes, maintains and manages sessions and synchronization of data flow. Session layer protocols control application-to- 🗳️
application communications, which is what an RPC call is.
The following answers are incorrect:
Transport layer: The Transport layer handles computer-to computer communications, rather than application-to-application communications like RPC.
Data link Layer: The Data Link layer protocols can be divided into either Logical Link Control (LLC) or Media Access Control (MAC) sublayers. Protocols like
SLIP, PPP, RARP and L2TP are at this layer. An application-to-application protocol like RPC would not be addressed at this layer.
Network layer: The Network Layer is mostly concerned with routing and addressing of information, not application-to-application communication calls such as an
RPC call.
The following reference(s) were/was used to create this question:
The Remote Procedure Call (RPC) protocol is implemented at the Session layer, which establishes, maintains and manages sessions as well as synchronization of the data flow.
Source: Jason Robinett's CISSP Cram Sheet: domain2.
Source: Shon Harris AIO v3 pg. 423
by kmanb at Jan. 19, 2023, 2:57 a.m.

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RanjithK
9 months, 2 weeks ago
Session Layer
upvoted 1 times
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joshlkesmetalXD
1 year, 9 months ago
Remote Procedure Call (RPC) is a protocol which works in the session layer of the OSI model and in the Application Layer of TCP/IP model.
upvoted 1 times
joshlkesmetalXD
1 year, 9 months ago
I messed this up, can you edit it to RPC spans the transport layer and the application layer in the Open Systems Interconnection (OSI) model of network communication - I was agreeing with KMANB :D
upvoted 1 times
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kmanb
1 year, 10 months ago
Selected Answer: B
Whoa this is wrong. RPC can span either the transport layer or application not session
upvoted 2 times
...

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