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Exam 1Y0-341 topic 1 question 13 discussion

Actual exam question from Citrix's 1Y0-341
Question #: 13
Topic #: 1
[All 1Y0-341 Questions]

Scenario: During application troubleshooting, a Citrix Engineer notices that response traffic received from a protected web application is NOT matching what the web server is sending out. The engineer is concerned that someone is trying to disrupt caching behavior.
Which action is the Citrix Web App Firewall performing that would trigger this false positive?

  • A. Removing the Last-Modified header
  • B. Inserting a hidden form field
  • C. Removing the Accept-Encoding header
  • D. Modifying and adding cookies in the response
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by Guntrrr at Nov. 8, 2022, 10:36 a.m.

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3a0f5fb
2 months ago
Selected Answer: A
A. Removing the Last-Modified header Removing the Last-Modified header can disrupt caching behavior, as this header is used by browsers and proxies to determine if the content has changed since it was last cached. This can lead to discrepancies between what the web server sends and what the client receives.
upvoted 1 times
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thedelph
1 year ago
Selected Answer: A
Changing my answer to A: A. Removing the Last-Modified header. This action can affect the caching behavior because the "Last-Modified" header is used by caches to understand if the content has changed since the last time it was retrieved. If the Web App Firewall removes this header, it can disrupt the caching mechanism, leading to a false positive regarding caching behavior.
upvoted 1 times
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thedelph
1 year ago
Selected Answer: C
wny not C? The documentation (https://docs.netscaler.com/en-us/citrix-adc/13-1/application-firewall/introduction-to-citrix-web-app-firewall) refers to the Accept-Encoding header being dropped but doesn't list "Last-Modified" but rather "If-Modified-Since" header.
upvoted 1 times
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bengie
1 year, 7 months ago
Selected Answer: A
without Header pages get wrongly cached; should be A
upvoted 2 times
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Binomimus
1 year, 11 months ago
Selected Answer: A
Please ignore my previous comment, A makes more sense in this case, same article: https://docs.citrix.com/en-us/citrix-adc/current-release/application-firewall/introduction-to-citrix-web-app-firewall.html
upvoted 2 times
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Guntrrr
2 years ago
Should be A
upvoted 3 times
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C (25%)
B (20%)
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