Packet meaning a small group of bits. it mean that when two computer intercommunication with each other by using switch or router. in Intercommunication suppose Two Computer A and B, A send Data and B received data file size is 100 mb. 100 MB file cannot send at a time. according to protocol they send by Packets. packets depends upon the speed of Internet.
i hope the answer of the question
Answer:
Confidentiality and availability- interruption, integrity - modification and fabrication.
Explanation:
Data on a network is provided with the three As in security, accountability, authentication and authorisation to promote the confidentiality and integrity of data on the network.
When a data is interrupted by a DOS attack, it is exposed to the attackers and the data transfer is interrupted. With this, the attacker can modify the existing data or fabricate a new data to sent to the network, crippling the integrity of the network data.
Answer:
Program counter:In computer processor the program counter is a register that holds the address of the instruction being executed currently.They are also known as instruction pointer (IP) .When instruction are fetched then program counter increases and hold the the address of the next instruction by increasing and storing her value by 1.
The purpose of program counter is " to keep the track of currently execution"
The address of the next instruction is hold by program counter in the main program.
The program and data means both data and instruction stored in memory.