Servicii internet noutiuni uzuale

Servicii Internet ,[object Object],[object Object]

Vorbim despre… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Modelul OSI ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Modelul OSI ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Modelul OSI ,[object Object],[object Object],[object Object],[object Object]

Modelul OSI ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Modelul TCP/IP ,[object Object],[object Object],[object Object],[object Object],[object Object]

Adresa I P ,[object Object],[object Object],[object Object],[object Object],[object Object]

Adresa I P ,[object Object],Clasa Start End Numar de hosturi Nr. total de IP-uri posibile Mask (in dotted decimal) Clasa A 1.0.0.0 127.255.255.255 16.777.216 -> 2 24 - 2 2 31 IP-urile din aceasta clasa sunt folosite in retele foarte mari, cum ar fi retelele marilor companii internationale (exp. IBM) Clasa B 128.0.0.0 191.255.255.255 65.536 -> 2 16 -2 2 30 IP-urile din aceasta clasa sunt folosite pentru retele de nivel mediu. De exemplu reteaua unui campus universitar. Clasa C 192.0.0.0 223.255.255.255 256 -> 2 8 - 2 2 29 IP-urile din aceasta clasa sunt folosite pentru retele mici spre medii. Clasa D 224.0.0.0 239.255.255.255 2 28 Ip-urile sunt folosite pentru multicast (transmitere de date de la un host catre un grup de hosturi). Class F (experimental) 240.24.53.107 Ip-urile sunt folosite numai in scopuri experimentale

Adresa I P ,[object Object],[object Object],[object Object],[object Object],Adresa purpose clasa Nr. de host-uri(Ip-uri posibile) 127.0.0.0 - 127.255.255.255 localhost A 16,777,216 10.0.0.0 - 10.255.255.255 intranet A 16,777,216 172.16.0.0 - 172.31.255.255 intranet B 1,048,576 192.168.0.0 - 192.168.255.255 intranet C 65,536

Adresa I P - Netmask ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Adresa I P - Netmask ,[object Object],[object Object],[object Object],[object Object],[object Object]

Adresa I P - Netmask ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Adresa I P - Netmask ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Net Bits Subnet Mask Total Addresses /32 255.255.255.255 1 /31 255.255.255.254 2 /30 255.255.255.252 4 /29 255.255.255.248 8 /28 255.255.255.240 16 /27 255.255.255.224 32 /26 255.255.255.192 64 /25 255.255.255.128 128 /24 255.255.255.0 256 /23 255.255.254.0 512 /22 255.255.252.0 1.024 /21 255.255.248.0 2.048 /20 255.255.240.0 4.096

Servicii Internet ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DNS ,[object Object],[object Object],[object Object],[object Object]

DNS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Functia DNS-ului si tipurile de inregistrari ,[object Object],[object Object],[object Object],[object Object]

DNS ,[object Object],[object Object]

E-Mail ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

E-Mail ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

E-Mail ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

E-Mail ,[object Object],[object Object],[object Object],[object Object]

E-Mail ,[object Object],[object Object],[object Object]

Routare - Definitie ,[object Object],[object Object]

Routare ,[object Object],[object Object],[object Object],[object Object],[object Object]

BGP ,[object Object],[object Object]

BGP – Autonomous Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BGP – Autonomous Systems AS-uri interconectate prin BGP

BGP – ASN ,[object Object],[object Object]

BGP - ASN ,[object Object],[object Object],[object Object]

VPN – Principii de functionare ,[object Object],[object Object]

VPN – Principii de functionare ,[object Object],[object Object],[object Object]

Servicii internet noutiuni uzuale

Recommended

Recommended

More Related Content

What's hot

What's hot (14)

Similar to Servicii internet noutiuni uzuale

Similar to Servicii internet noutiuni uzuale (20)

Servicii internet noutiuni uzuale