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Questão 1
Questão
Which actions are required to activate caching in a newly installed TYPO3 instance? (1)
Responda
-
The “Enable Cache” check box has to be activated during the installation.
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The “Enable Cache” setting in the “Install Tool → All configuration” section has to be selected.
-
Nothing needs to be done. TYPO3 caching is activated by default.
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The installation has to be called up once using a special URL: http://example.com/index.php?no_cache=0
-
Caching has to be activated in the “Caching” module in the backend.
Questão 2
Questão
Page generation takes a long time. Why could this be? (3)
Responda
-
The website is too large – TYPO3 only runs efficiently with up to 100 to 150 pages.
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One or more extensions loaded disable caching.
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The URL contains the parameter &no_cache=1.
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The server has already been running for too long and has to be restarted to free memory.
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The page contains too many COA_INT elements.
Questão 3
Questão
How can you measure the time taken to generate a page in the frontend? (2)
Responda
-
The “INFO → Rendering” module in the backend provides detailed statistics.
-
If the TypoScript config.debug = 1 option is set in the setup, the rendering time is written into the source text as a comment.
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If the TypoScript mod.debug = 1 option is set in the Page TSconfig, the rendering is written into the source text as a comment.
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The Admin Panel allows you to check rendering times.
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Page rendering times are stored in the database table pages with every request.
Questão 4
Questão
What is cached in TYPO3? (4)
Responda
-
Compressed versions of .docx and .xlsx files.
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The HTML output of static pages.
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The thumbnails of files in the fileadmin/ directory that can be displayed in the Filelist module.
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Configuration settings.
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TypoScript templates.
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Files that are loaded onto the server using a backend form.
Questão 5
Questão
Where exactly are cached pages saved by default? (2)
Responda
-
In the typo3temp/ directory, if the pageCacheToExternalFiles option is set.
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In the typo3conf/ directory.
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In the cf_cache_* tables in the database.
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In the cf_cache_* fields of the respective table in the database.
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In the location configured by the following key (to overwrite the default): ['SYS']['caching']['cacheConfigurations']['cache_pages']
Questão 6
Questão
What happens if you enter the following code in the User
TSconfig? (1)
options.clearCache {
all = 1
pages = 1
}
Responda
-
All caches are deleted automatically every time a page is called.
-
The TYPO3 cache is activated.
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It allows the administrator to delete the cache.
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It allows the user to delete the cache.
-
All page caches are deleted.
Questão 7
Questão
You have written a new news entry using the “news” extension, but the article is not displayed in the frontend. What can you do in this situation? (2)
Responda
-
Restart the web server.
-
Add the following TypoScript in the root template: config.page.clearCache = true
-
Add the following TypoScript to the Page TSconfig of the root page: TCEMAIN.clearCacheCmd = all
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Delete all files in the typo3temp/ directory.
-
Delete the page cache.
Questão 8
Questão
TYPO3 caches all pages by default. How do you deactivate this option for individual pages? (1)
Responda
-
That is not possible – caching can only be deactivated or activated for all pages.
-
By making the following entry in the TypoScript setup in a global context: config.no_cache = 1
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Caching can be deactivated in the page properties.
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By adding the UID of the page you do not want to cache to the pagesNoCache option in the Install Tool.
Questão 9
Questão
You want to cache the contents of a specific page for exactly 7 days. How can you achieve this? (2)
Responda
-
By installing and configuring the extension cache_expiry.
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TYPO3 does not support cache expiration for specific pages - only globally.
-
Set caching to 7 days in the page properties.
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An option is available for this purpose in the Page TSconfig (time is given in minutes): page.cacheExpires = 7*24*60
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In TypoScript setup, use the option (time is given in seconds): config.cache_period = 604800
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