Hierarchy of dns servers application layer , Computer Networking

Assignment Help:

Hierarchy of DNS Servers

DNS uses a large number of server organized in hierarchical  fashion  and distribution  around the world. No single DNS server has all  of the  mappings for all  of the  hosts in the internet. instead the mappings  are distributed  across the DNS  servers. There  are three class of DNS server root  DNS  servers top level domain  servers and authoritative DNS servers organized  in a hierarchy as show in figure.


Related Discussions:- Hierarchy of dns servers application layer

Purpose of the tcp three step handshakes, Identify the purpose of the TCP t...

Identify the purpose of the TCP three step handshakes Ans) The three step handshake establishes the parameters needed for a TCP connection. During the handshake process series n

Describe the omni-directional and the directional antennas, Question: a...

Question: a) Describe the following two approaches used towards wireless frequency regulation. i. Regulated Band ii. Unlicensed Band b) An antenna is an electrical c

Dns records and messages - application layer, DNS Records  and Messages ...

DNS Records  and Messages Two types  of records  are used DNS. The  question records  are used in the question  section of the query and response  messages. The resource  reco

Physical media - computer network, Physical Media In order  to define ...

Physical Media In order  to define what is meant by a physical medium let us reflect on the brief life of a bit. Consider  a bit travelling from one end system through a serie

What layer can optionally support reliability, Ans) The Transport Layer : ...

Ans) The Transport Layer : Segments upper-layer applications. Establishes an end-to-end connection. Sends segments from one end host to another. Optionally, make sures

Hyper text transfer protocols ( http), Hyper  Text Transfer Protocols ( HT...

Hyper  Text Transfer Protocols ( HTTP) The Hyper text  protocols ( HTTP) is at  the heart  of the  web. If a browser  developer follows  the rules  of the HTTP, the  browser w

Objective of parallel algorithms, After studying this part the students wil...

After studying this part the students will be able to understand about the following: Analysis of Parallel Algorithms; Different Models of Computation; o   Interco

Determine about the address translation, Determine about the Address Transl...

Determine about the Address Translation When a Web site address or URL is typed in the Web browser, as www.bbc.com and not as a series of numbers, it is essential for the serv

Options - transport layer, Options The options  fields may be  used to...

Options The options  fields may be  used to  provide  other functions that are not  covered by  the header. If the length  of the  options  field is not  a multiple of 32 bits

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd