{"id":853,"date":"2020-04-16T17:33:17","date_gmt":"2020-04-16T15:33:17","guid":{"rendered":"http:\/\/skolarbbos.net\/?p=853"},"modified":"2020-04-14T01:18:34","modified_gmt":"2020-04-13T23:18:34","slug":"podela-racunarskih-mreza","status":"publish","type":"post","link":"https:\/\/skolarbbos.net\/?p=853","title":{"rendered":"Podela ra\u010dunarskih mre\u017ea"},"content":{"rendered":"<p>U zavisnosti od geografskog podru\u010dja koje pokrivaju ra\u010dunarske mre\u017ee se dele na: WAN, MAN i LAN mre\u017ee.<\/p>\n<p><strong>WAN (Wide Area Network)<\/strong><\/p>\n<p>WAN mre\u017ee su mre\u017ee \u0161irokog opsega, one pokrivaju naj\u0161ira podru\u010dja, od veli\u010dine jedne zemlje pa do cele zemaljske kugle.<\/p>\n<p><strong>MAN (Metropoloitan Area Network)<\/strong><\/p>\n<p>MAN mre\u017ee su mre\u017ee podru\u010dja veli\u010dine grada ili gradske oblasti (koja uklju\u010duje i predgra\u0111a).<\/p>\n<p><strong>LAN (Local Area Network)<\/strong><\/p>\n<p>LAN mre\u017ee su lokalne mre\u017ee i one povezuju ra\u010dunare u okviru jednog preduze\u0107a ili kvarta. To prakti\u010dno zna\u010di da bi elementi povezani LAN mre\u017eom mogli da budu udaljeni najvi\u0161e nekoliko stotina metara.<\/p>\n<p>Kao najmanje od svih mre\u017ea, LAN mre\u017ee su i najjednostavnije za izgradnju, ali ipak i one zahtevaju:<\/p>\n<ul>\n<li><strong>ra\u010dunare<\/strong> sa mre\u017enim karticama, naj\u010de\u0161\u0107e jedan ili vi\u0161e jakih servera i veliki broj personalnih ra\u010dunara ili terminala,<\/li>\n<li><strong>kablove<\/strong> (najbolje opti\u010dke, ali su dobri i klasni\u010dni bakarni) za povezivanje elemenata mre\u017ee,<\/li>\n<li><strong>periferni ure\u0111aji<\/strong> predvi\u0111eni da budu deljeni u mre\u017ei (\u0161tampa\u010di, skeneri,\u2026),<\/li>\n<li><strong>ure\u0111aji za upravljanje<\/strong> i kontrolu komunikacije kao \u0161to su ruteri (router), habovi (hub), svi\u010devi (switch) i<\/li>\n<li><strong>softver<\/strong> za obezbe\u0111enje rada mre\u017ee (mre\u017eni operativni sistem).<\/li>\n<\/ul>\n<p>Kao poseban vid LAN mre\u017ee se pojavljuju TAN (Tiny Area Network) mre\u017ee, koje se razvijaju nanivou manjih firmi, obi\u010dno povezuju\u0107i jedan server sa malim brojem ra\u010dunara.<\/p>\n<p><strong>Arhitektura ravnopravnih\u00a0 ra\u010dunara (peer-to-peer)<\/strong><\/p>\n<p>Na engleskom jeziku re\u010d peer ozna\u010dava nekog ko ima jednaka prava u odnosu na druge. U tom smislu se \u201cpeer-to-peer\u201c arhitektura mo\u017ee shvatiti kao mre\u017ea ra\u010dunara jednakog priorite-ta.<\/p>\n<p>U takvoj arhitekturi se odvija direktna komunikacija izme\u0111u ra\u010dunara (odnosno \u010dvorova, tj. elemenata mre\u017ee), bez posredovanja servera.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-855 aligncenter\" src=\"http:\/\/skolarbbos.net\/wp-content\/uploads\/2016\/02\/podelaracmreza281.jpg\" alt=\"podelaracmreza281\" width=\"1011\" height=\"681\" srcset=\"https:\/\/skolarbbos.net\/wp-content\/uploads\/2016\/02\/podelaracmreza281.jpg 1011w, https:\/\/skolarbbos.net\/wp-content\/uploads\/2016\/02\/podelaracmreza281-300x202.jpg 300w\" sizes=\"auto, (max-width: 1011px) 100vw, 1011px\" \/><\/p>\n<p><strong>Pitanja:<\/strong><\/p>\n<ol>\n<li>Kako se dele mre\u017ee u zavisnosti od geografskog podru\u010dja koje pokrivaju?<\/li>\n<li>Objasnite WAN mre\u017eu?<\/li>\n<li>Objasnite MAN mre\u017eu?<\/li>\n<li>Objasnite LAN mre\u017eu?<\/li>\n<li>\u0160ta zahtevaju LAN mre\u017ee?<\/li>\n<li>Kakva je peer-to-peer mre\u017ea?<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"U zavisnosti od geografskog podru\u010dja koje pokrivaju ra\u010dunarske mre\u017ee se dele na:<a class=\"moretag\" href=\"https:\/\/skolarbbos.net\/?p=853\"> &lt;b&gt;[Nastavi sa \u010ditanjem...]&lt;\/b&gt;<\/a>","protected":false},"author":1,"featured_media":854,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-racunarske-mreze"],"_links":{"self":[{"href":"https:\/\/skolarbbos.net\/index.php?rest_route=\/wp\/v2\/posts\/853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/skolarbbos.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/skolarbbos.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/skolarbbos.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/skolarbbos.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=853"}],"version-history":[{"count":2,"href":"https:\/\/skolarbbos.net\/index.php?rest_route=\/wp\/v2\/posts\/853\/revisions"}],"predecessor-version":[{"id":1620,"href":"https:\/\/skolarbbos.net\/index.php?rest_route=\/wp\/v2\/posts\/853\/revisions\/1620"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/skolarbbos.net\/index.php?rest_route=\/wp\/v2\/media\/854"}],"wp:attachment":[{"href":"https:\/\/skolarbbos.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/skolarbbos.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/skolarbbos.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}