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Can you explain the difference between the existing system and proposed system for the development of a lost article and lost letter reconciliation system?

Existing system is manual whereas the proposed system is done online.. N since the existing system is manual, due to human intervention there may occur many errors n problems n sumtyms the wrong article/lettet may b sent ! N it is dificult to store d data in existing system.. Existing system reconciles the lost article in 3 months ! Coming to proposed system, its less head throbing to store the data, n hence its online error rate is almost less.. This proposed sytem takes 10 working days to reconcile the lost article/letter. N here, the complaints are taken online, search is done manually n replies are given online, wich user can check as n den


What is a handshake in networking?

There are two different handshakes, I'll go with the basic TCP one though. Say you have two different people. Sally and Bob Sally is the first host, and bob is the second host. Sally sends bob a synchronized message (SYN) which bob receives Bob then replies that he acknowledged it, synchronized-acknowledged (SYN-ACK) Sally then replies that she acknowledged the acknowledgement and bob doesn't reply.


What is packet spoofing?

In this technique, an attacker sends packets with an incorrect source address. when this happens the receiver i.e the party who receives the packets containg a false source address would inadvertently send replies back to the forged address and not to the attacker


How do you connect a laptop Toshiba Satellite L300-11G to a PC through cables.?

Make a cross cable,you can find the colour scheme on the internet very easily or you can buy ready made cable from computer shop just connect them.. give ip to ur PC 192.168.1.1 with subnet 255.255.255.0, and give ip to ur laptop 192.168.1.2,subnet mask 255.255.255.0 with default gateway 192.168.1.1 then ping 192.168.1.1 which is ur PC.. if it replies means they are both connected..


What ports are used by DHCP and the DHCP clients?

Requests are on UDP reversed port 68 & Server replies on UDP reversed port 67 If the above is right, then you can allow those ports on Linux(Ubuntu) with: sudo iptables -A OUTPUT -p udp --dport 68 -j ACCEPT sudo iptables -A INPUT -p udp --dport 67 -j ACCEPT Oh and don't forget to erase the password timestamp: sudo -k Further info in "man sudo"