Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q. Illustrate Domain Names and Address Resolution?
But what if you don't know IP address of the computer you want to connect to? What happens if you need to access a web server referred to as www.anothercomputer.com? How does your web browser know where on the Internet this computer lives? Answer to all these questions is the Domain Name Service or DNS. DNS is a distributed database, which keeps track of computer's names and their corresponding IP addresses on Internet.
Many computers connected to Internet host part of DNS database and software which allows others to access it.These computers are termed as DNS servers. No DNS server comprise the entire database; they only comprise subset of it. If a DNS server doesn't contain the domain name requested by another computer, DNS server re-directs the requesting computer to another DNS server.
Domain Name Service is structured like a hierarchy similar to IP routing hierarchy. Computer requesting a nameresolution would be re-directed 'up' the hierarchy until a DNS server is found that can resolve the domain name in the request. Figure explains a portion of the hierarchy. At the top of tree are the domain roots. Some of the older, more common domains are seen near the top. What isn't shown are multitude of DNS servers around the world which form rest of the hierarchy.
When an Internet connection is setup (for example For a LAN or Dial-Up Networking in Windows), one primary and one or more secondary DNS servers are generally specified as part of the installation. This way, any Internet applications which need domain name resolution will be able to function correctly. For illustration, when you enter a web address into your web browser, browser first connects to your primary DNS server. After obtaining IP address for domain name you entered, browser then connects to target computer and requests web page you wanted.
What does a lock object involve? The tables. The lock argument.
what are the different techniques of biasing a transistor?
What is centralized SPC, what are its modes of operation? In this centralized control, all the control equipment is replaced through a single processor that must be quite power
Ask question 4#Minimum 100 words accepted#
Real-Time Software Programs that monitor/analyze/ control real world events as they take place are known as real-time software. Elements of real-time software involve a data
Is the Process before and after the swap are the same? Give reason. Process before swapping is residing in the primary memory in its original form. The regions (text, data and
import java.util.Scanner; class AddNumbers { public static void main(String args[]) { int x, y, z; System.out.println("Enter two integers to calculate their sum
Q. Explain XLAT instruction with help of example? Let's presume a table of hexadecimal characters signifying all 16 hexadecimal digits in table: HEXA DB '012345678
Q. Show the Memory Hierarchy of computer system ? Memory in a computer system is essential for storage and subsequent retrieval of instructions and data. A computer system uses
Q. What is External Procedures? These procedures are written as well as assembled in separate assembly modules and afterwards linked together with the main program to form a bi
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd