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Why does FTP use two standard ports whereas other protocols, in general use only one port? Justify.
File transfer protocol uses a control connection just to send commands and receive responses. While this transfers a file, it does not send the data across the control connection. As an alternative, the client and server establish a separate data connection for all file transfer, utilize this to send one file, and after that close the connection. If the user requests other transfer, the client and server set up a new data connection. To ignore conflict in between data and control connections, FTP uses a various port number for each.
Write shorts notes on Digital Signature. This method is used to authenticate the sender of a message. For sign a message, the sender encrypts the message by using a key ident
How are interrupt handled by the operating system? The fundamental interrupt mechanism works as follows: The CPU hardware has wire called the interrupt-request line which
Data Routing Functions The data routing functions are the functions which when implemented the path among the source and the objective. In dynamic interconnection networks the
What is synchronous transmission? In synchronous transmission the two units share a common frequency and bits are transmitted continuously at the rate dictated by clock pulses
Q. What is Random Access Memory? We will discuss RAM as an example of sequential circuit. A memory unit is a collection of storage cells or flip flops along with associated cir
how can we find compound interest through flowchart
Q. Learn synchronization principles? To learn synchronization subsequent dependencies are recognized: i) Data Dependency: These are RAW, WAW and WAR dependency. ii) Co
Determine the layout of the specified cache for a CPU that can address 1G x 32 of memory. show the layout of the bits per cache location and the total number of locations. a)
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Explain MIB (Management Information Base) variables. MIB is a set of named items which an SNMP agent knows. To control or monitor a remote computer, a manager should fetch or s
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