Servers can be designed to limit the number of open connections. for example, a server may wish to have only n socket connections at any point in time. as soon as n connections are made, the server will not accept another incoming connection until an existing connection is released. explain how semaphores can be used by a server to limit the number of concurrect connections.

Consider a direct-mapped cache with 216 words in main memory. the cache has 16 blocks of 8 words each. it is a word-addressable computer (rather than a byte-addressable computer which we normally discuss). (a) how many blocks of main memory are there? (b) what is the format of a memory address as seen by the cache, that is, what are the sizes of the tag, cache block, and block offset fields (if they apply)? (c) to which cache block will the memory reference db6316 map?

The managing director of a company sends a christmas greeting to all his employees through the company email. which type of network does he use? he uses an .

What is transmission control protocol/internet protocol (tcp/ip)? software that prevents direct communication between a sending and receiving computer and is used to monitor packets for security reasons a standard that specifies the format of data as well as the rules to be followed during transmission a simple network protocol that allows the transfer of files between two computers on the internet a standard internet protocol that provides the technical foundation for the public internet as well as for large numbers of private networks