{"id":7035,"date":"2017-09-14T09:26:43","date_gmt":"2017-09-14T09:26:43","guid":{"rendered":"https:\/\/www.apen.es\/?page_id=7035"},"modified":"2025-07-14T10:49:57","modified_gmt":"2025-07-14T10:49:57","slug":"backup","status":"publish","type":"page","link":"https:\/\/www.apen.es\/en\/computer-glossary\/backup\/","title":{"rendered":"Backup"},"content":{"rendered":"<style>.kb-image7035_1b77e7-f1.kb-image-is-ratio-size, .kb-image7035_1b77e7-f1 .kb-image-is-ratio-size{max-width:400px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image7035_1b77e7-f1.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image7035_1b77e7-f1 .kb-image-is-ratio-size{align-self:unset;}.kb-image7035_1b77e7-f1 figure{max-width:400px;}.kb-image7035_1b77e7-f1 .image-is-svg, .kb-image7035_1b77e7-f1 .image-is-svg img{width:100%;}.kb-image7035_1b77e7-f1 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image7035_1b77e7-f1\"><figure class=\"alignleft\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"426\" src=\"https:\/\/www.apen.es\/wp-content\/uploads\/2017\/09\/digital-storage-media-1443484_640.jpg\" alt=\"\" class=\"kb-img wp-image-7038\" srcset=\"https:\/\/www.apen.es\/wp-content\/uploads\/2017\/09\/digital-storage-media-1443484_640.jpg 640w, https:\/\/www.apen.es\/wp-content\/uploads\/2017\/09\/digital-storage-media-1443484_640-300x200.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure><\/div>\n\n\n\n<p>The <strong>backup<\/strong> It is a duplicate made of the user&#039;s most important information, such as personal data, important documents, etc. It serves to securely store all files, without the risk of losing them if they are lost from the original device&#039;s storage.<\/p>\n\n\n\n<p>The Backup or <strong>backup<\/strong> It allows us to keep our most important files safe in case of document loss, cyberattacks, computer viruses, household accidents, etc.<\/p>\n\n\n\n<p>Thanks to the <strong>backup<\/strong>, The user can browse more safely and calmly, knowing that all their essential documents have a duplicate, which will allow them to easily recover them in case they lose the original file.<\/p>\n\n\n\n<p>The <strong>backup<\/strong> It&#039;s not focused on saving all the files you store on your computer, but it&#039;s designed to do <strong>backups<\/strong> of those documents and files that are most important and unmissable for you.<\/p>\n\n\n\n<p>The approximate frequency with which you should perform these backups depends on the amount of information you move on the computer. In other words, if you have a high rate of file exchange, you should make these backups more frequently than if you have few important files and don&#039;t move them around much.<\/p>\n\n\n\n<p>The <strong>backups<\/strong> They can be stored on secondary drives, our own computer, external hard drives, USB flash drives, pen drives, CDs, etc. What we must keep in mind is that if we decide to do the <strong>backup<\/strong> It is advisable to perform a second one on our own computer. <strong>backup<\/strong> on an external device, so as not to risk losing the files.<\/p>\n\n\n\n<p>Although data recovery programs do exist, they are not completely effective and may not solve the problem, causing the user to lose all their most important files and documents.<\/p>\n\n\n\n<p>It is important that while we do the <strong>backups<\/strong> Make sure there are no open documents or files running, as you might be copying files that are currently running or open, and there&#039;s a risk of the copy not being successful. This often happens with databases, so it&#039;s important that all files are closed and that you&#039;re not working on them at that moment.<\/p>\n\n\n\n<p>In order to optimize the copying and storage processes of the <strong>backup<\/strong>, various data manipulations are performed.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Compression; The best method to decrease the storage space required and also reduce the cost.<\/li>\n\n\n\n<li>Redundancy; When multiple systems store their <strong>backups<\/strong> Within the same storage system, there is the possibility of redundancy in the copied data.<\/li>\n\n\n\n<li>Deduplication; When the <strong>backups<\/strong> They are duplicated on a second storage device. Deduplication helps optimize speeds, provide a safe second copy, etc.<\/li>\n\n\n\n<li>Encryption; the limited capacity of storage media means there is a high risk of loss or theft. Encrypting information can mitigate this problem, although it has the drawback of consuming a lot of CPU time and potentially slowing down copying speeds. Furthermore, compression becomes less effective once data is encrypted.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>La copia de seguridad es el duplicado que se hace de la informaci\u00f3n m\u00e1s importante que tiene el usuario tales como datos personales, documentos importantes, etc. Y que sirve para guardar de forma segura todos los archivos, sin riesgo de que nos quedemos sin ellos en caso de perderlos del almacenamiento del dispositivo original. El&#8230;<\/p>","protected":false},"author":4,"featured_media":0,"parent":6185,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-landing-glosario.php","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"class_list":["post-7035","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Copia de seguridad - Apen Inform\u00e1tica<\/title>\n<meta name=\"description\" content=\"\u00bfQue es una copia de seguridad? 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