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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.
(a) When a forensic examiner arrives at a crime scene, the first task done is referred to as "Incident Response". Summarize the different incident response tasks done in 10 steps.
Explain in detail companding. Companding: It is the process of compressing and expanding. This includes compressing the signal at the transmitter and expanding this at the re
Update the permutation algorithm from the text to obtainthe correct list of permutations even if the string haves repeated letters. For example, if you call ListPermutations on the
Whats the use of coa
Q. How to calculate register indirect addressing? The effective address of operand in this technique is calculated as: EA= (R) and D = (EA) Address capability of regi
Q. Writing down your own Interrupt Service Routines? Here are a few rules which should be kept in mind while writing down your own Interrupt Service Routines: 1. Use Int 21
1's complement representation of decimal number of -17 by using 8 bit representation is ? Ans. (17) 10 = (10001) 2 In 8 bit = 00010001 1's Complement = 11101110
Q. Task Information Displays in Search-based tools? Task Information Displays principally give visualization of different locations in parallel program where bottlenecks have o
Perl is an interpreted language (not compiled, like Java) which is ideally suited for CGI programming. It has its roots in UNIX system administration and offers various features li
What does the c$ command do from command mode using Vi Editor? Ans) C$ will start from the character under the curser till the finish of line. So when you use this command it wi
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