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CV0-003 · Question #434

Upon discovery several SaaS applications are being utilized by users, and the InfoSec team needs to update a configuration file on all client machines. Which of the following file types is used to…

The correct answer is D. .pac. A PAC (Proxy Auto-Configuration) file is a browser-recognized file type that contains JavaScript logic to automatically route client traffic through a designated web proxy.

Operations

Question

Upon discovery several SaaS applications are being utilized by users, and the InfoSec team needs to update a configuration file on all client machines. Which of the following file types is used to redirect users through a web proxy?

Options

  • A.dat
  • B.tmp
  • C.log
  • D.pac

How the community answered

(18 responses)
  • C
    6% (1)
  • D
    94% (17)

Why each option

A PAC (Proxy Auto-Configuration) file is a browser-recognized file type that contains JavaScript logic to automatically route client traffic through a designated web proxy.

A.dat

.dat files are generic binary data files used by various applications for storing data and have no defined role in proxy or network routing configuration.

B.tmp

.tmp files are temporary files created by applications during processing and are automatically deleted; they are unrelated to proxy configuration.

C.log

.log files record system and application events for auditing and troubleshooting purposes and play no role in directing network traffic through a proxy.

D.pacCorrect

A .pac file contains a JavaScript function called FindProxyForURL() that browsers and operating systems use to determine which proxy server to route requests through for any given URL. Deploying or updating a .pac file on client machines is the standard method for redirecting user web traffic through a proxy without manually configuring each browser.

Concept tested: Proxy Auto-Configuration PAC file deployment

Source: https://developer.mozilla.org/en-US/docs/Web/HTTP/Proxy_servers_and_tunneling/Proxy_Auto-Configuration_PAC_file

Topics

#PAC file#web proxy#proxy configuration#SaaS

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