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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.
A sorted file having 16 items. Using binary search, the maximum number of comparisons to find for an item in this file is The maximum number of comparison is 4
What is Electronic Data Interchange? Electronic Data Interchange (EDI): It is used by organizations for transactions which arise on regular basis to a pre-found format.
Since the term artificial intelligence was defined in the 1950s, experts have disagreed about the difference between natural and artificial intelligence. Can computers be pro
In IP addressing scheme, class used for multicasting is: A class used for multicasting in IP addressing scheme is class D.
"Super ASCII", if it contains the character frequency equal to their ascii values. String will contain only lower case alphabets (''a''-''z'') and the ascii values will starts from
Q. Define Wait protocol? The wait protocol is used for resolving conflicts that arise due to some multiprocessors requiring same resource. There are 2 kinds of wait protocols:
Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b
A 4-bit synchronous counter uses flip-flops with propagation delay times of 15 ns each. The maximum possible time required for change of state will be ? Ans. 15 ns since in sy
Give the formula for the average access time experienced by the processor in a system with 2 levels of caches. Ans: Formula is for the average access time experienced by the pr
Directed-Test Methodology Building a directed verification environment with a comprehensive set of directed tests is very time-consuming and difficult. As directed tests only c
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