dns download

dns word

http://www.mediafire.com/file/0c2gd0yudfh4t8o/serveur%20dns.docx

dsn pdf 

http://www.mediafire.com/file/5o21rntblmb22vt/serveur%20dns%20%282%29.pdf

dsn pdf 

http://www.mediafire.com/file/bvw4qrb87psa44s/systeme%20dns.pptx