Electrical and Computers
Thursday, October 7, 2010
collections in java
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it cantains list,map,set..........
Wednesday, September 22, 2010
What is subnet Mask
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subnet (short for "subnetwork") is an identifiably separate part of an organization's network. Typically, a subnet may represe...
List of important port number
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15 Netstat 21 FTP 23 Telnet 25 SMTP 42 WINS 53 DNS 67 Bootp 68 DHCP 80 HTTP 88 Kerberos 101 HOSTNAME 110 POP3 119 ...
Gateways
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A system that bridges two systems. A computer connected with various computer, wants to transfer a packet, can transfer dirctly to the route...
IP Packet Security
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IP PACKETS HAVE NO INHERENT SECURITY – NO WAY TO VERIFY, • How to ensure that, the data has not been modified in transmit. • How to ensure t...
What is switch?
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A switch is a device which connects various systems in a network. Switch maintains MAC address table. Packets are directly transferred to th...
What is an IP?
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IP (Internet protocol) is a method or protocol by which data is sent from one computer to another computer on the internet. Each computer on...
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