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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.
What is Strobe. Asynchronous data are transfer among two independent unit needs that control signals to be transmitted among the communicating units to indicate the time at whi
Floating point Arithmetic pipelines Floating point calculations are the best candidates for pipelining. Take the illustration of addition of two floating point numbers. Subsequ
A graph 'G' with 'n' nodes is bipartite if it have no cycle of odd length.
Q. Describe THEAD, TBODY and TFOOT tag? THEAD, TBODY, TFOOT , , and form groups of rows. specifies that a group of rows are heade
What is event-driven control? Control resides within a dispatcher or monitors that language, subsystem or OS provider. Developers attach application process to events and dispa
Q. Determine the odd parity bit for F. Q. Convert the following from binary to decimal, hexadecimal, BCD and octal. a) 1000000011 b) 0001010110101 c) 1 Q. Convert the f
What are advantages and benefits to businesses by e-commerce over extranets? The advantages and benefits to businesses comprise: Less Paperwork: along with documents and bus
BIOS - Basic Input Output System, Power On Self Test (POST) and Loading Bootloader from the Hard disk drive Boot Sector is being completed by BIOS. It started the system for
Loosely Coupled Systems These systems don't share global memory since shared memory concept increases the problem of memory conflicts, which consecutively slows down the
Loop Level At this stage, following loop iterations are candidates for parallel execution. Though, data dependencies among subsequent iterations can restrict parallel execution
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