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Arcitura Education S90.19 Exam - Topic 5 Question 45 Discussion

How can the use of pre-compiled XPath expressions help avoid attacks?
B) Pre-compiled XPath expressions reduce the chance of missing escape characters, which helps avoid XPath injection attacks
A) Pre-compiled XPath expressions execute faster and therefore help avoid denial of service attacks.
C) Pre-compiled XPath expressions contain no white space, which helps avoid buffer overrun attacks
D) They can't because XPath expressions cannot be pre-compiled

Arcitura Education S90.19 Exam - Topic 5 Question 45 Discussion

Actual exam question for Arcitura Education's S90.19 exam
Question #: 45
Topic #: 5
[All S90.19 Questions]

How can the use of pre-compiled XPath expressions help avoid attacks?

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Suggested Answer: B

by Hillary at May 06, 2022, 11:57 PM

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Fallon
10 months ago
C seems off, whitespace isn't really related to buffer overruns.
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Candida
10 months ago
Missing escape characters is a big issue, so B makes sense.
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Jean
11 months ago
Wait, can XPath really be pre-compiled? I thought it couldn't!
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Matthew
11 months ago
I agree, they help prevent injection attacks too.
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Marlon
11 months ago
Pre-compiled XPath expressions definitely speed things up!
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Rima
11 months ago
Ah, I see. Highlighting opportunities for lower costs and complexity, and leveraging a company to build a financial case, those don't seem directly relevant to the demo process itself.
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Natalie
11 months ago
The Trusted Subsystem pattern combined with Data Origin Authentication looks like a good way to establish a secure utility service to handle the security processing. That way, the sensitive credential information never has to go directly to Service A, reducing the attack surface.
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Nobuko
11 months ago
Okay, this seems straightforward. The expiration date is 08/10, so the last day the product can be used is August 31, 2010.
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