A cikin lambar 404, lambar farko tana nuna kuskuren abokin ciniki, kamar kuskuren Uniform Resource Locator (URL). Lambobi biyu masu zuwa suna nuna kuskuren da aka samu. Amfani da lambobin lambobi uku na HTTP yayi kama da amfani da irin waɗannan lambobin a cikin yarjejeniyoyi na baya kamar FTP da NNTP. Tambaya: Wane irin lambar amsa ne uwar garken yake aikawa?
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