Multiple Browsers MCQs

Which feature lets Microsoft Edge open legacy sites that require Internet Explorer?

Edge Legacy
IE mode
Compatibility View in Chrome
Quirks mode only

How do organizations centrally manage Chrome and Edge settings on Windows domains?

With Group Policy (ADMX templates) or cloud management
Through the DNS
By editing each user's bookmarks
Through browser cookies

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Which Firefox release channel is designed for organizations that need stability and longer support?

Developer Edition
Extended Support Release (ESR)
Beta
Nightly

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What is the difference between Chromium and Google Chrome?

Chrome is open source and Chromium is closed
They are identical
Chromium is made by Microsoft
Chromium is the open-source project; Chrome is Google's branded build that adds proprietary parts such as automatic updates and some media codecs

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Which statement about Chrome extensions in Incognito mode is correct?

They always run
They run with extra privileges
They are disabled by default unless the user allows each one
They are deleted

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What is the status of the Do Not Track (DNT) header?

It is required by HTTP/2
It is legally enforced worldwide
It blocks all trackers automatically
It is largely abandoned because sites were not required to honor it; Global Privacy Control is a newer signal

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What does Firefox's Total Cookie Protection do?

It blocks every first-party cookie
It gives each website its own separate cookie jar, so third-party cookies cannot follow users across sites
It encrypts cookies with a password
It deletes all cookies on exit

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Why has Chrome reduced (frozen) the information in its User-Agent string?

To reduce passive fingerprinting; detailed information is available on request through User-Agent Client Hints
Because HTTP/3 forbids it
To hide the Chrome brand
To save bandwidth

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What does a browser send to revalidate a cached resource that has an ETag?

A full new GET with no headers
If-Match with the file size
A HEAD request only
If-None-Match with the ETag value; the server replies 304 Not Modified if the resource is unchanged

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What is the difference between <link rel="preload"> and <link rel="prefetch">?

They are identical
preload fetches a high-priority resource needed by the current page; prefetch fetches a low-priority resource likely to be needed for a future navigation
preload works only for images
prefetch is for the current page; preload is for future pages

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