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How optimization is achieved in DNS?
Two primary optimizations used in DNS and they are: replication and caching. All root servers is replicated; various copies of the server exist around the world. While a new site joins the internet, the site configures its local DNS server along with a list of root server. The site server uses any root server is most responsive at a provided point of time. Into DNS caching each server maintains a cache of names. When this looks up a new name, the server puts a copy of the binding in its cache. Before contacting other server to request a binding, the server checks its cache; when the cache have the answer the server uses the cached answer to produce a reply.
The first part of the address in electronic mailbox identifies? The first part of address in E-Mail identifies the user's mail box.
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When producing a datapool, you state the kinds of data (called data types) that the script will send for example, customer names, addresses, and unique order numbers or product nam
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Determine the BIOS function with one illustration BIOS stands for Basic Input Output System. It is a set of programs to provide most basic low-level services like services keyb
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)
Q. What is Single Program Multiple Data? A general style of writing data parallel programs for MIMD computers is SPMD (single program, multiple data) means all processors execu
Explain about the function of network layer briefly in TCP/IP protocol stack. Internetwork Layer: The best-called TCP/IP protocol at internetwork layer is Internet Protoc
Now that the user's command has been parsed into an array of char*, we can pass this to the OS to execute the command. To execute the command, use the execvp() function from unis
Explain about Physical model The Physical model describes concrete software and hardware components of system's context or implementation.
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