Approfondimento per gli allievi curiosi

Il funzionamento di Internet, in modo del tutto trasparente a voi, è estremamente complesso. IN sostanza , mentre voi sparate innocentemente sc… cose molto interessanti su whatsapp , per permettervelo occorre risolvere problemi complicatissimi.

Se ne avete voglia potete farvene un’idea qui

http://www.antoniosantoro.com/Reti.htm

Dal livello di linea al livello di trasporto – Il livello di linea   

Il livello di rete

Il DNS (Domain Name System)

I protocolli del livello di applicazione

TCP e Internet

Il protocollo IP

Cos’è TCP

Gateway e protocolli di instradamento

Telnet e FTP

File di configurazione

TCP/IP e le reti

La rete di esempio

Domain Name Server

Gli RFChttps://www.google.com/search?q=indirizzo+ip&oq=indir&aqs=chrome.6.69i57j69i59j35i39j0l5.3976j0j4&sourceid=chrome&ie=UTF-8https://www.google.com/search?sxsrf=ALeKk01NZUWXWymkZUbSZlOlL9sSnNZMHg%3A1585772896850&ei=YPmEXv-6M9LSkgWFhJkY&q=medium+access+control&oq=medium+acc&gs_lcp=CgZwc3ktYWIQARgAMgIIADICCAAyAggAMgUIABDLATIFCAAQywEyBQgAEMsBMgUIABDLATIFCAAQywEyBQgAEMsBMgUIABDLAToECAAQRzoECCMQJzoECAAQQzoFCAAQgwE6BwgAEIMBEEM6BAgAEAo6BwgAEEYQ-QFQqegCWMyNA2D4pQNoAHABeACAAfkBiAGjC5IBBTIuNi4ymAEAoAEBqgEHZ3dzLXdpeg&sclient=psy-abhttps://www.google.com/search?sxsrf=ALeKk00qw53usHkE_pz63QTq94hkCy-Rgg%3A1585772951842&ei=l_mEXvDzMo2vkwWfrIJg&q=cablaggio+strutturato&oq=cablaggio&gs_lcp=CgZwc3ktYWIQARgCMgIIADICCAAyAggAMgIIADICCAAyAggAMgIIADICCAAyAggAMgIIADoECAAQRzoECCMQJzoECAAQQzoFCAAQgwFQkYkBWK-ZAWCQsAFoAHACeACAAeMBiAGNC5IBBTAuOC4xmAEAoAEBqgEHZ3dzLXdpeg&sclient=psy-abhttps://www.google.com/search?sxsrf=ALeKk017fVB5HoddL6cQ0AGPVDDPx5xMzA%3A1585772976999&ei=sPmEXs24PIqUsAfAu4WwDw&q=il+livello+di+linea&oq=il+livello+di+linea&gs_lcp=CgZwc3ktYWIQAzIICCEQFhAdEB4yCAghEBYQHRAeMggIIRAWEB0QHjoECAAQRzoECCMQJzoFCAAQgwE6BAgAEEM6BwgAEBQQhwI6AggAOgYIABAWEB5Qz9sBWP77AWCKgAJoAHABeACAAbUBiAHiEpIBBDQuMTWYAQCgAQGqAQdnd3Mtd2l6&sclient=psy-ab&ved=0ahUKEwjN0PPXiMjoAhUKCuwKHcBdAfYQ4dUDCAs&uact=5https://www.google.com/search?sxsrf=ALeKk039Dp_0mmoV0c7uB1hNku5doe4_1A%3A1585773010685&ei=0vmEXru4Kc6ckwXGnZH4Dw&q=livello+di+rete&oq=il+livello+di+linea&gs_lcp=CgZwc3ktYWIQARgBMgQIABBHMgQIABBHMgQIABBHMgQIABBHMgQIABBHMgQIABBHMgQIABBHMgQIABBHUABYAGCjygFoAHABeACAAQCIAQCSAQCYAQCqAQdnd3Mtd2l6&sclient=psy-abhttps://www.google.com/search?sxsrf=ALeKk00cTYiqjfm90PARnbZef2hAcjgYcw%3A1585773037494&ei=7fmEXovbHcXVkwWPg7aICg&q=instradamento+sulla+rete+internet&oq=instradamen&gs_lcp=CgZwc3ktYWIQARgAMgcIABAUEIcCMgIIADICCAAyAggAMgIIADICCAAyAggAMgIIADICCAAyAggAOgQIABBHOgQIIxAnOgQIABBDOgUIABCDAToHCAAQgwEQCjoHCAAQgwEQQzoECAAQClCRpAFY5bUBYNbMAWgAcAF4AIAB5wGIAecMkgEGMC4xMC4xmAEAoAEBqgEHZ3dzLXdpeg&sclient=psy-abhttps://www.google.com/search?sxsrf=ALeKk00GnvpPWIUwZiCyEcBwDhLNB3DL6A%3A1585773065608&ei=CfqEXsHKJIibsAer0raADg&q=livello+di+trasporto&oq=livello+di+tra&gs_lcp=CgZwc3ktYWIQARgAMgIIADICCAAyAggAMgIIADICCAAyAggAMgYIABAWEB4yBggAEBYQHjIGCAAQFhAeMgYIABAWEB46BAgAEEc6BAgjECc6BQgAEIMBOgQIABBDOgcIABCDARBDOgcIABAUEIcCUNbdAViJgwJgm5QCaABwAXgAgAHmAYgBvA2SAQYyLjExLjGYAQCgAQGqAQdnd3Mtd2l6&sclient=psy-abhttps://www.google.com/search?sxsrf=ALeKk03CtS2LCUSAf_bsamx0ajV_2YWfKw%3A1585773102279&ei=LvqEXrbLEJHmsAe_ybDYBg&q=livello+di+sessione&oq=livello+di+sessione&gs_lcp=CgZwc3ktYWIQAzICCAAyBggAEBYQHjIGCAAQFhAeMgUIABDNAjoECAAQRzoECCMQJzoFCAAQgwE6BAgAEEM6BwgAEBQQhwJQ5psBWMi4AWCmzgFoAHABeACAAdsCiAGgGJIBCDEuMTUuMi4xmAEAoAEBqgEHZ3dzLXdpeg&sclient=psy-ab&ved=0ahUKEwi2mtKTicjoAhURM-wKHb8kDGsQ4dUDCAs&uact=5https://www.google.com/search?sxsrf=ALeKk03ucTtcRaUUbiebjE_Y74dnf-UBCQ%3A1585773130271&ei=SvqEXr-NEMevkwWJkImgDg&q=livello+di+presentazione&oq=livello+di+sessione&gs_lcp=CgZwc3ktYWIQARgAMgQIABBHMgQIABBHMgQIABBHMgQIABBHMgQIABBHMgQIABBHUABYAGDrywRoAHACeACAAQCIAQCSAQCYAQCqAQdnd3Mtd2l6&sclient=psy-abhttps://www.google.com/search?sxsrf=ALeKk03vHfjDY1toT6akYkNQh6Z0ujgr0g%3A1585773206534&ei=lvqEXo-XIIKvkwWz6pT4Aw&q=livello+di+applicazione&oq=livello+di+presentazione&gs_lcp=CgZwc3ktYWIQARgAMgQIABBHMgQIABBHMgQIABBHMgQIABBHMgQIABBHMgQIABBHMgQIABBHMgQIABBHUABYAGDC0wFoAHACeACAAQCIAQCSAQCYAQCqAQdnd3Mtd2l6&sclient=psy-abhttps://www.google.com/search?sxsrf=ALeKk03O6k8FfwXNa–jEXNivt4HzNhCjw%3A1585773234394&ei=svqEXsHWF6bnsAeGtpaYDA&q=tcp%2Fip&oq=tcp&gs_lcp=CgZwc3ktYWIQARgBMgoIABCDARAUEIcCMgcIABAUEIcCMgQIABBDMgQIABBDMgQIABBDMgQIABBDMgIIADICCAAyBQgAEIMBMgIIADoECAAQRzoECCMQJ1CrtgJYpLsCYLXYAmgAcAF4AIABzQGIAcMDkgEFMC4yLjGYAQCgAQGqAQdnd3Mtd2l6&sclient=psy-ab

Lezione del 3 aprile 2020

Internet

https://calendario2ata2019.files.wordpress.com/2020/04/internet-e1.ppt

https://calendario2ata2019.files.wordpress.com/2020/04/internet-seconda-parte.pptx

https://calendario2ata2019.files.wordpress.com/2020/04/ua04-lez02-il-modello-clientserver-e-il-cloud-computing.ppt

https://calendario2ata2019.files.wordpress.com/2020/04/ua04-lez03-i-servizi-di-internet.ppt

https://calendario2ata2019.files.wordpress.com/2020/04/ua04-lez04-il-web-2.0.ppt

Assegno del 27 marzo 2020

Guardate questi blog per farvi una migliore idea di come creare un blog soddisfacente

https://assegnodiscienze20marzo2020.wordpress.com/

https://domandesuqumranrosasantoro.wordpress.com

https://ilverotestodellabibbia.wordpress.com/

https://compitosuimetalli.wordpress.com/

https://procariotehotels.wordpress.com/

Dopo creare un nuovo blog in cui inserire le seguenti ricerche relative alla sicurezza informatica

segretezza in informatica

autenticazione

affidabilità o reliability in informatica

crittografia e cifratura

crittoanalisi

SPID

Firma elettronica

Firma digitale

Firma elettronica remota

OTP

Certificazione digitale, Registration Authority, Certification Authority, Public Key Infrastructure, Marca temporale

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