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ISC2 SSCP Exam - Topic 9 Question 31 Discussion

Actual exam question for ISC2's SSCP exam
Question #: 31
Topic #: 9
[All SSCP Questions]

Which of the following best defines source routing?

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Suggested Answer: A

With source routing, the packets hold the forwarding information so that they can find their way to the destination themselves without bridges and routers dictating their paths.

In computer networking, source routing allows a sender of a packet to specify the route the packet takes through the network.

With source routing the entire path to the destination is known to the sender and is included when sending data. Source routing differs from most other routing in that the source makes most or all of the routing decisions for each router along the way.

Source:

WALLHOFF, John, CISSP Summary 2002, April 2002, CBK#2 Telecommunications and Network Security (page 5)

Wikipedia at http://en.wikipedia.org/wiki/Dynamic_Source_Routing


by Kayleigh at May 07, 2022, 12:10 AM

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Lashon
4 months ago
B is misleading, source info can still be forged in some cases.
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Carmela
4 months ago
Wait, can packets really hold all that info? Sounds too good to be true.
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Linn
4 months ago
A is spot on, no doubt about it!
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Angelyn
4 months ago
I thought it was more about reliability, so D makes sense too.
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Frank
5 months ago
Definitely A, that's how source routing works!
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Haley
5 months ago
I recall something about redundancy in routing, but I’m not convinced that’s the main point of source routing. Option D seems off to me.
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Dion
5 months ago
I practiced a question about packet encapsulation, but I don’t think that’s what source routing is about. So, I’m leaning away from option C.
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Socorro
5 months ago
I’m not entirely sure, but I remember something about source addresses being secure. Could that relate to option B?
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Cathrine
5 months ago
I think source routing is when the packets carry their own routing info, so routers don’t have to figure it out. That sounds like option A, right?
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Flo
5 months ago
I'm feeling pretty confident about this one. I think adding a territory relationship to the work order is the way to go. That way, the system can automatically pull in the right pricing based on the customer's location when generating the invoice.
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Coletta
5 months ago
I don't know, I thought the public key thing was more about encrypting data rather than chaining blocks.
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