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HTTP Port 80 Protocol TCP
HTTPS Port 443 Protocol TCP,UDP
DNS(Domain Name Server) Port 53 Protocol TCP,UDP
(Email and identity management protocols)
SMTP(Simple Mail Transfer Protocol) Port 25 TCP
POP3(Post Office Protocol 3) Port 110 TCP
IMAP(Internet Message Access Protocol) Port 143 TCP
LDAP(Lightweight Directory Access Protocol) Port 389 TCP,UDP
(File transport and management protocols)
FTP(File Transfer Protocol) Port 20/21 TCP
TFTP(Trivial File Transfer Protocol) Port 69 UDP
SMB/CIFS(Server Message Block,Common Internet File System) Port 445 TCP
AFP(Apple Filing Protocol) Port 548 TCP,UDP
(Remote access protocols)
SSH(Secure Shell,Secure Socket Shell) Port 22 TCP
Telnet(A Remote Access Protocol) Port 23 TCP
RDP(Remote Desktop Protocol) Port 3389 TCP,UDP
(Network operations protocols)
DHCP(Dynamic Host Configuration Protocol) Port 67/68 UDP
NetBIOS/NETBT(System which can process old functions over TCP/UD) Port 137-139
SNMP(Simple Network Management Protocol) Port 161/162 UDP
SLP(Service Location Protocol) Port 427 TCP,UDP
TCP is analogous to sending packages that are tracked from source to destination, If a shipping order is broken up into several packages a customer can check online to see the order of the delivery
User - Server 2 sets of 3.
3-Server 1-Acknowledgement(Twice)
TCP, there are three basic operations of reliability:.
Numbering and tracking data segments transmitted to a specific device from a specific application
Acknowledging received data
Retransmitting any unacknowledged data after a certain period of time
UDP:Provides the basic functions for delivering data segments between the appropriate applications, with very little overhead and data checking.
UDP:Is Best known as a best-effort delivery protocol. In the context of networking, best-effort delivery is referred to as unreliable because there is no acknowledgment that the data is received at the destination.
User-Server 1 set of 6
6-Server no Acknowledgement(Once)
FTP,HTTP/S,SMTP,SSH-TCP-IP-LAN/WAN
SNMPDHCPv4DNS-UDP-IP-LAN/WAN
BlueTooth
(802.11 Standards) BC=Backwards Compatible
802.11 Speed 54MBpS Range 115ft Freq.5GHz BC NO
802.11 Speed 11MBpS Range 115ft Freq.2.4GHz BC NO
802.11 Speed 54MBpS Range 125ft Freq.2.4GHz BC 802.11b
802.11 Speed 600MBpS Range 230ft Freq.2.4/5GHz BC 802.11/a/b/g
802.11 Speed 1.3GBpS Range 115ft Freq.5GHz BC 802.11a/n
Cellular Generations
1G/2G 2G intorduced digital voice,confrence calls,caller ID Speed Speed <9.6KBs
2.5
(URL Layout)
1. http (the protocol or scheme)
2. www.cisco.com (the server name
3. index.html (the specific filename requested)
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