3.6 Performance and Caching

Descripción

TYPO3 CD 2020 (zweite Auflage) Test sobre 3.6 Performance and Caching, creado por Pascal Bartl el 09/04/2021.
Pascal Bartl
Test por Pascal Bartl, actualizado hace más de 1 año
Pascal Bartl
Creado por Pascal Bartl hace casi 4 años
1
0

Resumen del Recurso

Pregunta 1

Pregunta
Which cache groups exist in the TYPO3 core? (1)
Respuesta
  • pages
  • backend and frontend
  • pages, backend and frontend
  • pages, system and all
  • pages, system and core

Pregunta 2

Pregunta
How can the page cache be cleared automatically after a record has been saved, even if the plugin is cached? (1)
Respuesta
  • This is not possible
  • This is not possible without disabling the plugin cache
  • By using the TypoScript setting persistence.enableAutomaticCacheClearing
  • By using the User TSconfig setting TCEMAIN.clearCacheCmd
  • By using the Page TSconfig setting TCEMAIN.clearCacheCmd

Pregunta 3

Pregunta
In which file is the default caching framework configuration stored (alongside other configuration)? (1)
Respuesta
  • typo3/sysext/core/ext_tables.php
  • typo3/sysext/core/ext_localconf.php
  • typo3/sysext/cache/Configuration/DefaultConfiguration.php
  • typo3/sysext/core/Configuration/DefaultConfiguration.php

Pregunta 4

Pregunta
How can you clear all caches at once? (2)
Respuesta
  • By executing the clearAllCaches() command with the DataHandler
  • By executing the clear_cacheCmd('all') command with the DataHandler
  • By executing the flushCaches() method of the Cache Manager
  • By executing the flush() method of the Cache Manager
  • By executing the flushAll() method of the Action Controller

Pregunta 5

Pregunta
What are the differences between methods get() and getCache() of the Cache Manager? (2)
Respuesta
  • get() determines the cache
  • getCache() determines the cache
  • get() retrieves data from the cache
  • getCache() retrieves data from the cache
  • get() and getCache() are identical functions

Pregunta 6

Pregunta
How can a developer check whether a cache entry exists for a specific identifier? (2)
Respuesta
  • By using method has()
  • By using method hasCache()
  • By using method entryExists()
  • By testing against the value false
  • By testing against the value -1

Pregunta 7

Pregunta
How can you globally deactivate the caching framework? (1)
Respuesta
  • By iterating all registered caches and setting them to the NullBackend
  • By using the configuration $GLOBALS['TYPO3_CONF_VARS']['SYS']['useCachingFramework'] = 0
  • By using the configuration $GLOBALS['TYPO3_CONF_VARS']['SYS']['useCachingFramework'] = false
  • By using the configuration $GLOBALS['TYPO3_CONF_VARS']['SYS']['disableCachingFramework'] = 1
  • By using the configuration $GLOBALS['TYPO3_CONF_VARS']['SYS']['disableCachingFramework'] = true
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